Channel Master Cm 7778 Medium Gain Preamplifier (Antenna) 4100

Review for titan mediumgain mast mounted

Price was $57.68. 09/02/16:. Update since my last review immediately after purchase. The hot temperature in the attic is affecting the reception. Some channels like nbc and cbs will appear to be tiled and at times, totally without signal. Only after 8pm when the temperature in the attic becomes cooler will the picture be back and stable. . . After installing a yagi style antenna in the attic, i did not get decent reception, picture was tiled and unstable, no signal from nbc nor abc. After some online research, i decided to get a tv signal amplifier. I considered a number of products, made of different materials : plastic and metal housing. Since i intended to install the amplifier in the attic (which can reach more than 120f), i chose the channel master brand (metal housing). Then i went to youtube and viewed their short intro about their products. . . Then i went to the cm site to enter my address using their antenna selection-guide. . . The web site then listed all available channels that my neighborhood could receive plus the signal strength for each channel. The published results were not pretty. None of the tv stations were green. All were pink (weak). The cm site suggested that a high gain amplifier (cm-7777) is necessary and should be installed outdoor. However i only wanted to install it in the attic. If it does not work, i can always return it. But i still had reservation about longevity of this device in the hot environment. I asked cm for their suggestion. They came back to confirm to me that their products were designed to withstand up to 140f, re-iterating that installing in the attic was fine. Temperature in my attic reached 118f around 4pm, well within the designed maximum. Still, i vacillated, concerned about the high heat in the attic. Then i saw the asurion protection plan on online store site, which gave 3 year protection for less than $9 total. That's it. I immediately ordered the cm7777 and the asurion. Today, i spent about an hour tweaking the installation. Initially, no significant improvement in picture quality. . Then a light bulb came on and that's what i did:. 1) raised the height of the antenna by about 4-5 inches (from about 20ft); . 2) made sure the tube that held the antenna in place was vertical; . 3) pointed the antenna to south; &. 4) leveled the antenna (to make sure it was not pointing down, but level, even slightly up); . . Result:. I now could get pbs, cbs and abc on all the tvs in 3 rooms; nbc in 2 rooms; plus a number of other channels; picture was stable, no tiles. I think there is room for improvement, by raising the antenna higher, and to move the antenna to left or right. But so far i'm happy with this setup. When the weather is cooler, i shall tweak the setup again. . I am happy to have cut the cord. Goodbye cable tvs. Tired of having to renew my contract every year, paying for the extravagant hd fee and set-top box fees. I estimate i will recover my capital outlay in 1. 5 months! i just hope the tv amp will last for a few years!

-Z. Paula

Titan 2 medium-gain mast mounted preamplifier tv the titan 2 medium gain preamplifier will amplify signals received by your antenna. this antenna amplifier is a medium gain, low noise preamplifier used to allow weaker signals at -channel master cm-7778 titan 2 medium-gain mast mounted preamplifier tv antennas

  • Benefits: Gain: 16 Db, 54 To 860 Mhz. Operating Temperature: -40 C To 60 C.
  • Benefits: Includes A Switchable Fm Trap. Frequency Range 30 – 1002 Mhz. Impedance (input And Output) 75 Ohm. Max Input Level 34 Dbmv. Max Output Level 50 Dbmv.

Shopping Channel Master Cm 7778 Medium Gain Preamplifier (Antenna) Cm 7778

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Introduction

Ordered this amplifier thinking i would need the high gain model. Turns out i have several close by tv stations that were being over amplified by this amplifier causing saturation of my tv tuner and i could receive no channels with this amplifier connected to my tv. I was able to return this amplifier and ordered the median gain amplifier model cm7778 which i am using now and it works perfectly. Received an excellent email from tech support describing the over amplification of this amplifier if you are in a situation where the closer tv stations get overpowered. John b The Best titan mediumgain mast mounted as-of ( Nov 2018 ) | Channel Master-Antenna Review Benefits Channel Master CM-7778 Titan 2 "Medium-Gain" Mast Mounted Preamplifier for TV Antennas Combined vhf/uhf inputs; offers a clean boost of 16db which is typically more than enough gain to pick up weak signals without risking the chance of over amplifying the signals that are already strong. Gain: 16 db, 54 to 860 mhz. operating temperature: -40 c to 60 c. Includes a switchable fm trap. frequency range 30 - 1002 mhz. impedance (input and output) 75 ohm. max input level 34 dbmv. max output level 50 dbmv. Mast mounted amplification unit with indoor power supply which connects via coaxial cable. Preamplifier and its power supply can withstand up to 140 f temperatures. vhf and uhf bands with separate amplification. vhf / uhf gain: 16db -its a flat gain now. please note: kindly refer the instructional video and user manual before use which is highly essential. .

Channel Master Cm-7778 Titan 2 Medium-gain Mast Mounted Preamplifier For Tv Antennas Review (cm 7778)

Tried everything to get it to work and was ready to return. Ended up moving closer to the outside of the house which made a huge difference and now works very well. Also replaced a few wires no doubt made a difference also. Good to go for now! -A. Anonymous

Channel Master Cm 7778 Medium Gain Preamplifier

  1. Class: Electronics
  2. Brand: Channel Master
  3. Color: Black
  4. EAN: 0020572077781
  5. Product Dimensions:
    Height:5.25 inches
    Length:3.25 inches
    Weight:1.00 pounds
    Width:7.75 inches
  6. LegalDisclaimer: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm.
  7. Manufacturer: Channel Master
  8. Part-Warranty: 90 Days Of Support Through Phone, Online Chat And/or E-mail
  9. Model: CM-7778
  10. MPN: CM-7778
  11. Total Items: 1
  12. Quantity: 1
  13. Part/Serial Number: CM-7778
  14. Type: Speakers
  15. Category: ANTENNA
  16. UPC: 647963973066
  17. Warranty: 1-Year Limited

titan 2 medium-gain mast mounted preamplifier tv Speakers, The titan 2 medium gain preamplifier will amplify signals received by your antenna. this antenna amplifier is a medium gain, low noise preamplifier used to allow weaker signals at the antenna to be amplified to a viewable strength, and is ideal for installations in which broadcast towers are located at widely varying distances. the titan 2 medium gain preamplifier is a two part unit, an outdoor amplification unit which is mounted on the mast of your antenna system and an indoor unit which powers the outdoor amplification unit. the indoor unit is stationed indoors and connects to the outdoor unit via coaxial cable. Channel Master Cm 7778 Medium Gain Preamplifier (CM-7778-Channel Master).

Channel Master Cm 7778 Medium Gain Preamplifier Speakers

titan mediumgain mast mounted Channel Master CM-7778 Titan 2 "Medium-Gain" Mast Mounted Preamplifier for TV Antennas (Switch to Mobile/Desktop Version)

Spectacular. Used this with the winegard hd8200u platinum hd vhf/uhf antenna and new shielded coax to get numerous channels. See my review on antennas and such for that antenna. . This is one key in the door to good over the air television reception.

Channel Master Cm-7778 Titan 2 Medium-gain Mast Mounted Preamplifier Tv Antennas
Click to see NoticeChannel Master Cm 7778 Medium Gain Preamplifier (Antenna)"Purchased this unit to replace a lower cost rca amplifier when i put up a new antenna tower with antenna rotater. All the broadcast towers are within 75 miles (most within 30 miles) of our home, so according to channel master's recommendations their more powerful amp was not necessary. It was easy to install and i can say it seems to work good. Signal reception is improved but not perfect. Local uhf channels were our biggest problem previously, and still have some issues occasionally. The dealer i bought the antenna from assures me our antenna is more than adequate for our needs. I was hoping that the additional height provided by a new tower and the ability to rotate the antenna with this new amplifier would solve all our reception problems. It's much better but not perfect. Thus the 4 star rating."


Basics RCA Component Video Cable - 6 Feet 1.8 Meters

Online storebasics products are quality electronics accessories offered at a great value.

Basics RCA Component Video Cable - 6 Feet 1.8 MetersAmazonBasics-RCA-Component-Video-Cable

BASICS RCA COMPONENT VIDEO CABLE - 6 FEET 1.8 METERS Advantage
Brand :    basics
Color :    Black
Size :    6 Feet/1.8 Meters
Weight :    0..84 pounds
  • Ships in certified frustration-free packaging
  • Constructed to minimize interference; durable, black pvc outer layer; and corrosion-resistant, gold-plated connectors for optimal signal transfer
  • One 6-foot-long (1. 8 meters) rca component video cable
  • Connects dvd and blu-ray players, satellite receivers, video game consoles, and cable boxes to hdtvs and video projectors
Price :    —
Model :    1
Quantity :    1
Order click here :    -
Speakers :    Best Cable Or Adapter (basics product review) for Basics RCA Component Video Cable - 6 Feet 1.8 Meters available as-of ( Nov 2018 )

Channel Master CM-4228HD High VHF, UHF HDTV Antenna

The channel master cm 4228hd is a pre-assembled 8-bay outdoor tv antenna which will receive uhf and hd signals. This antenna has a signal range of 60 miles and will pick up available local digital and hd signals. With an hd television you will pick up any crystal clear hd signals being broadcast in your area.

Channel Master CM-4228HD High VHF, UHF HDTV AntennaChannel-Master-CM-4228HD-High-Antenna

CHANNEL MASTER CM-4228HD HIGH VHF, UHF HDTV ANTENNA Reviews
Brand :    channel master
Color :    Gray
Size :    80 Miles
Weight :    10.00 pounds
  • Powerful reception: 12db gain
  • Picks up free tv from networks like abc, cbs, nbc, fox, cw, pbs, metv, ion, univision, telemundo and many more in crystal clear uncompressed hd
  • Top performing and highest rated long range outdoor tv antenna
  • Reception range: up to 80 miles
  • Reception angle: multi-directional (up to 180 )
Price :    $109.00 (was $113.99)
Model :    CM-4228HD
Quantity :    1
Order click here :    -
Speakers :    Best Antenna (channel master product review) for Channel Master CM-4228HD High VHF, UHF HDTV Antenna available as-of ( Nov 2018 )

Channel Master CM-9521HD Complete Antenna Rotator System Outdoor Drive Unit, Indoor Control Box Remote Control - TV, HAM, CB, WiFi, Radio Reception

The channel master antenna rotator system is an easy to use, all in one system that will enable the rotation of an outdoor antenna from an indoor control box and a hand-held remote control. The indoor control unit has internal memory which will allow the user to auto tune an antenna to rotate to up to 69 pre-programmed positions. The channel master rotator system can be specifically helpful for those who use a single outdoor antenna but are able to receive signals being broadcast from towers in different directions. In addition to tv antenna use, the channel master rotator system is also popular among ham radio operators and hobbyists for miscellaneous uses requiring remote rotation. The motor and control unit are connected via a 3-conductor wire that carries the electrical voltage and control signals from the indoor control unit to the outdoor drive unit. (rotator wire not included)

Channel Master CM-9521HD Complete Antenna Rotator System Outdoor Drive Unit, Indoor Control Box Remote Control - TV, HAM, CB, WiFi, Radio ReceptionChannel-Master-CM-9521HD-Complete-Antenna

CHANNEL MASTER CM-9521HD COMPLETE ANTENNA ROTATOR SYSTEM OUTDOOR DRIVE UNIT, INDOOR CONTROL BOX REMOTE CONTROL - TV, HAM, CB, WIFI, RADIO RECEPTION Benefits
Brand :    channel master
Weight :    5.00 pounds
Model :    CM-9521HD
Quantity :    1
Order click here :    normally ships in 24 hours
Home Theater :    Best Antenna (channel master product review) for Channel Master CM-9521HD Complete Antenna Rotator System Outdoor Drive Unit, Indoor Control Box Remote Control - TV, HAM, CB, WiFi, Radio Reception available as-of ( Nov 2018 )
Price :    $143.99
  • Includes infra-red remote control (compatible with most universal remote controls)
  • New & improved mechanical stability, new enhanced brake system, new gray color (powder-coat)
  • Control unit new improvements: updated physical design, flush-mount front panel buttons, enhanced position reliability, blue led display, integrated power supply
  • Heavy duty rotator motor, precision cut gear system, built-in steel thrust bearings and easy push tab wire connections
  • Non-volatile memory - holds locations during power failures, automatic synchronization ensures pinpoint position accuracy and directional access control via tv channel number or digital compass location

CHANNEL MASTER CM-3090 Universal J-Mount

The universal antenna mount is a one of a kind mounting solution enabling consumers and professionals to easily install many different types of outdoor antennas in a variety of different mounting applications. This heavy duty mount will accommodate most brands and styles of outdoor tv antennas and satellites in any climate. The mast section of the mount is adjustable and telescopes from 24 to 44 inches allowing for clearance on most pitched roofs or to extend above a wall. The mounting plate was designed to revolutionize the traditional j-mount with two adjustments allowing it to be installed on angled and/or pitched surface s while maintaining a vertical positioned mast.

CHANNEL MASTER CM-3090 Universal J-MountCHANNEL-MASTER-CM-3090-Universal-J-Mount

CHANNEL MASTER CM-3090 UNIVERSAL J-MOUNT Benefit
Brand :    channel master
Color :    Black
Size :    43.125" x 9" x 4.75" in
Weight :    5.00 pounds
  • Extends up to 44"
  • J-pole pivots 45deg
  • Extension pole
  • Hardware
  • J-mount
Price :    $34.32 (was $39.00)
Model :    CM-3090
Quantity :    1
Order click here :    normally ships in 24 hours
Speakers :    Best Antenna (channel master product review) for CHANNEL MASTER CM-3090 Universal J-Mount available as-of ( Nov 2018 )

THE CIMPLE CO - 3 GHz Ground Block Single/One Port, High Frequency Weather Seal Boots Coaxial Cable, Coax F Type Approved Satellite, Antenna, Dish Network, DIRECTV, Comcast, CATV - 1 Port

These high quality and high frequency ground blocks are available with 1 port, 2 port, and 4 port configurations. They are not typical vhf/uhf blocks that may be found locally or from low quality supplies - these blocks have high quality components, including: the center coax conductor indexes into a close-tolerance tube that is resilient (spring) brass and is gold plated. The close center-tube tolerance assures a tight connection, the gold plating assures a good electrical connection and the overall performance is greatly improved over standard designs. Features include: scte outdoor compliant bonding block; one inch spacing between center of ports; uv resistant rubber weather seals provided; ul approved; internal components designed for high frequency and low loss; gold plated center conductor assures good connections; resilient internal metals for dependable repeated insertion connections; minimal insertion and return loss numbers; two mounting screws are provided with each block. Specs: insertion loss: 100 db; bonding effectiveness:

THE CIMPLE CO - 3 GHz Ground Block Single/One Port, High Frequency Weather Seal Boots Coaxial Cable, Coax F Type Approved Satellite, Antenna, Dish Network, DIRECTV, Comcast, CATV - 1 PortCIMPLE-CO-Frequency-Approved-Satellite

THE CIMPLE CO - 3 GHZ GROUND BLOCK SINGLE/ONE PORT, HIGH FREQUENCY WEATHER SEAL BOOTS COAXIAL CABLE, COAX F TYPE APPROVED SATELLITE, ANTENNA, DISH NETWORK, DIRECTV, COMCAST, CATV - 1 PORT Summary
Price :    $2.45 (was $7.47)
  • High quality features: gold plated center conductor; ul listed; rated from 0 mhz to 3 ghz; uv resistant rubber weather seals; high frequency; low insertion loss ( 0. 2 db 2mhz - 3ghz)
  • Approved and works for directv, dish network, comcast, fios, at&t (both dtv and u-verse), charter, cox (and other catv/cmts), off-air antenna, hd antenna, and many more devices
  • Required for satellite and off-air antenna installations by nec and most local electrical codes
  • Removes noise and static from coaxial cable (often caused by wind, interference, dry weather (static build-up), and dc ground loops)
  • Includes single port grounding block, weather seals, and mounting screws
Brand :    the cimple co
Color :    Ground Block
Size :    1 Port Block
Weight :    0.10 pounds
Model :    CMP-GRNDBLK-SGL
Quantity :    1
Order click here :    normally ships in 24 hours
Ce :    Best Cable Or Adapter (the cimple co product review) for THE CIMPLE CO - 3 GHz Ground Block Single/One Port, High Frequency Weather Seal Boots Coaxial Cable, Coax F Type Approved Satellite, Antenna, Dish Network, DIRECTV, Comcast, CATV - 1 Port available as-of ( Nov 2018 )

Channel Master CM-5020 Outdoor TV Antenna

The cm-5020 masterpiece antenna series digital hdtv antenna will receive both digital tv and hdtv programming. This heavy duty hd television antenna picks up vhf, uhf, and fm (from 54 to 216 mhz and 470 to 700 mhz), and has a tv antenna reception range of up to 100 miles. This high quality antenna is designed for extreme conditions and is easy to install. This masterpiece antenna is great for antenna reception markets in deep fringe areas where signal strength is weak.

Channel Master CM-5020 Outdoor TV AntennaChannel-Master-CM-5020-Outdoor-Antenna

CHANNEL MASTER CM-5020 OUTDOOR TV ANTENNA Overview
Brand :    channel master
Color :    SILVER
Size :    60 UHF, 100 VHF
Weight :    8.60 pounds
Model :    CM-5020
Quantity :    1
Order click here :    normally ships in 24 hours
Speakers :    Best Antenna (channel master product review) for Channel Master CM-5020 Outdoor TV Antenna available as-of ( Nov 2018 )
Price :    $122.67 (was $136.54)
  • Size: 116(l) 101. 5(w) inches
  • Reception range uhf: up to 60 miles
  • Reception range vhf: up to 100 miles. mounting clamp: u bolt up to 2. 5 inches. turning radius: 6 feet. output connector: f-type
  • Digital hdtv antenna comes assembled for easy installation
  • For maximum performance, a channel master preamplifier should be used with this antenna

Channel Master Cm 94444 High Performance Balum Matching Transformer

Outdoor balun matching transformer this matching transformer is used to connect your 75ohm coaxial cable to the common 300 twin style connection on many outdoor antennas. The cm 94444 is an industry standard balun which offers excellent matching and low loss.

Channel Master Cm 94444 High Performance Balum Matching TransformerChannel-Master-Performance-Matching-Transformer

CHANNEL MASTER CM 94444 HIGH PERFORMANCE BALUM MATCHING TRANSFORMER Advantages
Brand :    channel master
Weight :    0.5 pounds
  • Excellent matching, low through loss
  • Compatible with all channel master outdoor tv antennas
  • Hd/uhf/vhf/fm
  • Professional grade
  • Connects 300 ohm antennas to 75 ohm cable
Price :    $6.49 (was $6.89)
Model :    unknown
Quantity :    1
Order click here :    normally ships in 24 hours
Photography :    Best Antenna (channel master product review) for Channel Master Cm 94444 High Performance Balum Matching Transformer available as-of ( Nov 2018 )

Channel Master CM-3020 Long Range VHF, UHF, FM HDTV Antenna

The channel master cm 3020 is a pre-assembled outdoor tv antenna which will receive uhf and hd signals. This antenna has a signal range of 100 miles and will pick up available local digital and hd signals. With an hd television you will pick up any crystal clear hd signals being broadcast in your area.

Channel Master CM-3020 Long Range VHF, UHF, FM HDTV AntennaChannel-Master-CM-3020-Range-Antenna

CHANNEL MASTER CM-3020 LONG RANGE VHF, UHF, FM HDTV ANTENNA Features
Price :    $80.69 (was $111.43)
  • Antenna size: 152 x 95 x 22 inches
  • Easy installation. line-of-sight outdoor antenna
  • Superior signal strength in weak signal locations
  • Picks up uhf, vhf, fm and hd
  • Reception range: up to 100 miles
Brand :    channel master
Color :    chrome
Size :    100 Miles
Weight :    11.20 pounds
Model :    CM-3020
Quantity :    1
Order click here :    normally ships in 24 hours
Speakers :    Best Antenna (channel master product review) for Channel Master CM-3020 Long Range VHF, UHF, FM HDTV Antenna available as-of ( Nov 2018 )

Channel Master LTE Filter Improves TV Antenna Signals

Improves over the air signals by filtering out mobile lte signal interference (3g and 4g) which can cause intermittent tv signal disruption including weak signals. Pixilation or channel loss.

Channel Master LTE Filter Improves TV Antenna SignalsChannel-Master-Improves-Antenna-Signals

CHANNEL MASTER LTE FILTER IMPROVES TV ANTENNA SIGNALS Overview
Brand :    channel master
Color :    N/A
Model :    CM3201
Quantity :    1
Order click here :    normally ships in 24 hours
  • Pixilation or channel loss
  • Made in taiwan
  • Improves over the air signals by filtering out mobile lte signal interference (3g and 4g) which can cause intermittent tv signal disruption including weak signals
Price :    $21.99
Home Theater :    Best Antenna (channel master product review) for Channel Master LTE Filter Improves TV Antenna Signals available as-of ( Nov 2018 )

Winegard HD8200U Platinum Series Long Range Outdoor TV Antenna Digital, 4K Ultra-HD Ready, ATSC 3.0 Ready, Low-VHF, High-VHF, UHF - 65+ Mile Long Range HD Antenna

Winegard hd8200u 65+ mile long range outdoor tv antenna: the best of the best. The platinum hd8200u digital hdtv antenna has some of the highest gain of any consumer grade antenna. Built to last, so if you just want to purchase an antenna once, this is the one you want. Includes weather proof cartridge house for download module with 75 ohm coaxial connection. 65 mile+ range, capable of receiving 4k ultra-high def broadcast signals where available. Steel hardware is zinc plated for maximum corrosion resistance; flexible polyethylene boot covers protect connections from the weather. 75 ohm downlead coupler simply snaps into place for fast, easy assembly. High quality construction offers extra strength with double boom braces, high-impact abs girder design and supports. Tech specs - hdtv reception up to 65 miles from a tower - receives low-vhf, high-vhf, and uhf signals - vhf elements: 34 - uhf elements: 35 - boom length: 168. 25", max. Width: 110", vertial height: 33" - weight: 17 lbs note: run a channel scan after installation to receive programming run a channel scan on your tv after setting up the digital antenna. To keep your channel line-up up-to-date, it is a good idea to run a channel scan monthly and anytime a channel is lost. About winegard winegard company designs and manufactures the greatest spectrum of world class terrestrial and satellite video and data antenna products and accessories for residential and mobile applications. Since its incorporation in 1953, winegard has designed more than 1, 000 antenna models and been granted over 80 u. S. Patents. The company's heritage includes recognition by nasa for contributions to the apollo 11 mission, and the induction of founder john winegard into the consumer electronics association hall of fame. Winegard's superior antenna design and manufacturing facilities total 410, 000 sq. Ft and include a state of the art testing, validation and measurement center. The company's in-house and vertically integrated capabilities support its accelerated product design and development cycle.

Winegard HD8200U Platinum Series Long Range Outdoor TV Antenna Digital, 4K Ultra-HD Ready, ATSC 3.0 Ready, Low-VHF, High-VHF, UHF - 65+ Mile Long Range HD AntennaWinegard-HD8200U-Platinum-Ultra-HD-High-VHF

WINEGARD HD8200U PLATINUM SERIES LONG RANGE OUTDOOR TV ANTENNA DIGITAL, 4K ULTRA-HD READY, ATSC 3.0 READY, LOW-VHF, HIGH-VHF, UHF - 65+ MILE LONG RANGE HD ANTENNA Advantages
Brand :    winegard
Color :    case
Size :    Apple
Weight :    15.23 pounds
  • Receives low-vhf, high-vhf and uhf signals.
  • 75 ohm downlead coupler simply snaps into place for fast, easy assembly. boom length: 168. 25inches, max. width: 110inches, vertial height: 33inches
  • Steel hardware is zinc plated for maximum corrosion resistance; flexible polyethylene boot covers protect connections from the weather.
  • Watch free hdtv television up to 65 miles from a tower.
  • Watch 4k ultra high-def television where available.
Price :    $125.87 (was $128.44)
Model :    HD8200U
Quantity :    1
Order click here :    normally ships in 24 hours
Speakers :    Best Antenna (Speakers product review) for Winegard HD8200U Platinum Series Long Range Outdoor TV Antenna Digital, 4K Ultra-HD Ready, ATSC 3.0 Ready, Low-VHF, High-VHF, UHF - 65+ Mile Long Range HD Antenna available as-of ( Nov 2018 )

channel master cm-7778 titan 2 medium-gain mast mounted preamplifier for tv antennas Price : 44.99, was : 57.68 as 2018-11-07
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Channel Master Cm 7778 Medium Gain Preamplifier (Antenna) Reviewed by on ziwus.com

Top channel master cm 7778 medium gain preamplifier (antenna) Content

The F.A.Q. for channel master cm-7778 titan 2 medium-gain mast mounted preamplifier for tv antennas

I rejected this amp over a year ago as being too potent. Went with a lower gain weingard unit with more overload resistance instead. That was a mistake. Even though every textbook over the last hundred years would have suggested otherwise. . We have a decent "70 mile" yagi - but it's mounted within our attic. All calculations showed it should be fine for our easy single direction install. Unfortunately, two of our channels had sporadic problems where the digital decoders within our solid state hdhomerun tuners would glitch - yielding . Ts files which were often unrecoverable. We had fallen of the digital cliff with those tuners. They needed a healthy signal to work reliably. . I don't own a spectrum analyzer for these frequencies, but a good quality setop box containing both a signal strength meter and a bit error rate meter showed that these problems happened with anything below a 65% indicator. Those weak channels were always at 61% or lower - even though the station was only 30 miles away. After this amp was added - weak channels jumped to 69%. And the glitches stopped. Clearly, our roof and shingles severely attenuate these signals, and the amplifier was making up for much of that. . We only progressed after throwing away the textbook rules and just experimenting with this box. You'r mileage may vary - but this may be worth a try. I'm certain a high gain amp can get overloaded with strong input signals - but that's the chance you take. . Tonight i'm simultaneously recording 4 separate movies with no glitching. Thanks to this amp.

A number of questions have been asked here.

Q&A

(0) Question: How can i tell if the 7777 will "overload" my tv ?


(1) Question: How long is the power cable with this unit? if i'm putting this on my roof how am i supposed to power it?


(2) Question: Does the power supply come with the amplifier


(3) Question: Will it work on a digital antenna


(4) Question: So to get this straight in my mind, the rf splitter i have that directs the signal to 4 tv's is placed between the tv's input and the power inserter?


(5) Question: Can this preamp be used inside the house in the attic?


(6) Question: Does the preamp need to be plugged in if mounted on the antenna? if so, how long is the power cord?


(7) Question: What is the output voltage and current rating on the ac adapter provided with this item?


(8) Question: Where is the switch for the fm trap?


(9) Question: Can i connect 2 antenna to 1 preamp



(note) Question: where/how to get Channel Master (manufacturer's brand) accessories & similiar Channel Master's products

Answer:

Click the marked text to copy link to Clipboard

We added this to our winegard 7697 antenna and it has been great. Some channels were coming in borderline and are now coming in crystal clear most of the time. Channelmaster has two of these to choose from so you may find that one works better than the other, but this one was the right fit for us. We have so much interference between us and the towers 50+ miles away that we needed something to amplify and stabilize the signals. Many people wrote that you only use these for long cable runs to amplify signal. We don't have a major long cable run. . In fact, we first attached it when we had only a 20 foot cable coming from the antenna direct to the tv and it improved our signal over only 20 feet. I can't speak for the technical side of it. I can only speak for the experience we had and this product was the right fit for us.


Accessories & Supplies 704182, Antennas 18866901, Audio & Video Accessories 235271, Electronics 282271, TV Antennas 566271Top Channel Master Cm 7778 Medium Gain Preamplifier (Antenna) FAQ Content

Best channel master cm 7778 medium gain preamplifier (antenna) in review

I'm an electrical engineer. I designed cable tv amplifiers and other components and very complex commercial receiving systems. I live far out in the country 65 miles from atlanta and 35 miles from macon, and just over 150 miles from savannah. The closest fm station is several miles away, and there are very few commercial transmitters around. . Most people would think my location needs a high gain amplifier, but that is not true. I bought two of these lower gain version amplifiers to install at the antennas to just overcome feedline losses and firmly establish system noise figures at the antennas. I wanted no more gain than that, because excessive gain over a minimum never helps signal to noise and will often cause problems. . My systems are eight bay bow tie arrays with eight bays at 60 feet toward atlanta and eight bays at 200 feet toward savannah. They both have distribution amplifiers at the house entrance. . These amplifiers did exactly as planned. They have enough gain to establish system noise temperature by these mast head amplifiers, and not by coax or distribution amplifier noise temperature. A higher gain amp would not improve s/n even though i am way out in a rural location. . I get all of the atlanta stations well, with only the weaker of all stations wsb 2. 1-2. 3 ever having loss of signal. For some reason wsb has never been good here since going digital, so they have some fading with moist atmosphere, ducts, or fog. Wsav at almost 200 miles is rock solid, as are all the macon stations.

L. Kellie, Wandsworth

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D. McCarthy, Cheshire says

I needed to amplify the signal to avoid pixelation during storms and poor weather. When the weather is fine, so is the picture but sometimes in a rain storm and poor weather, it is harder to lock on to a hd signal. Hd ota now days are harder to deal with, in the old days, bad signal usually means just a bit of snow on the tv, now, it's unviewable, pixelation, hiccups, black screens. That's the trade off i guess for the clarity on the screen and better sound in the programs. This is held in high regard in that it amplifies without causing further issues. Doesn't run hot, no noise, other than the extra price to pay, if it helps lock down your signal during all weather, i don't see a reason not to install it. . Please click yes if my review have been helpful to you, it will encourage me to continue writing and updating my reviews, and leave a comment if you have any questions, i will be more than happy to answer if i can be of help.

Q. Perez, Pennsylvania

I have had cable for over 20 years. Past few years their prices have been skyrocketing. I would call them every year and get on a new plan to save money. This year, however, the best cable would give me would only save me $10. 00 a month. I did not want to keep paying $200 a month for their services so i canceled. My home is in the middle of a state forest with lots and lots of trees. The nearest tv stations are 40-50 miles away. I first bought this little 3 x 3 antenna from walmart, installed it on a 15 ft pole mounted on my roof and got a few stations. I figured bigger was better so i bought this huge rca 3038 antenna. It took two people and a lot of trouble to get it on my roof. I received absolutely no stations with it. So i went back to my little antenna and added this pre-amp to it. I now get all my local stations, plus their sub-stations and some stations from cities even farther away. A few of the stations get pixelated when it rains, but mostly they come in crystal clear. When i had cable most of my local stations pixelated or i would lose them for no reason. So i m actually better off than cable. I am using the wiring that cable installed which made hooking up 3 tv s super easy. You can watch a video on youtube that show you how to open the cable box, to hook up the antenna right to their cables. With my tv antenna and playstation vue i pay $30 a month for more stations then i received with cable. I get all the on-demand channels too. I would recommend this pre-amp to everyone who is trying to cut cable.

I. Meghan, Southampton says

I live in a very difficult reception area. The towers are 35 miles away with four major hills in the way and i'm down in a gully behind an 800' tall ridge between me and the towers. We still have two networks on vhf, just to complicate matters first. . After trying a variety of flat, small, compact and "100 miles! 1! " directional and non directional antennas with lousy results, i even tried a db8 and of course got zero vhf reception and only half the uhf channels. Badly. . So i put a 10' old style yagi antenna (hbu44) up in the attic and got all the major channels more or less well enough. A couple of lower power uhf stations (ion and cw) were flaky during bad weather. I'd get 8-10+ seconds of green scramble during heavy rains. . I tried a different preamp (winegard) and it boosted the signals nicely but abc on vhf would occasionally glitch the picture and sound for 1-2 seconds every 4-5 minutes. Just enough to be annoying. It wasn't over amplifying, the signal strength was around 65% and would just drop out completely for that 1-2 seconds and then come back. . So i gave this amp a while. I wasn't sure i wanted the uber amplification of the 7777. It nicely boosted my signals from +2% up to +17% and brought ion and cw into solid upper 60% low 70% range from 45-50%. So far no drops on abc but i'll have to watch all of the channels for a few days and see how rainy days work out. I'll report back if there are any negatives. . So far so good!

J. Eleanor, Colorado

We are in foot hills country at the end of the appalachian range with quite a few mountains and hills between us and the tv transmitting towers. Strongest booster there is. Combine them with the hd8200u winegard antenna and we went from 0 channels to 12. I have put up 4 of them on different properties. Technically we went to 18 channels but 6 of the channels are duplicates.

G. Gloria, Tower Hamlets says

This amplifier is paired with a channel master cm2016 antenna mounted outside on our roof. It is connected to a tivo dvr. I had apparently undersized the antenna that i really needed and could not maintain a solid signal with the local abc network. Once added, this amplifier boosted the abc channel to a strong signal and i can not tune in all ota channels that i care about. . Given the choice between an oversized antenna and what i have with an amplifier i would try the larger antenna first. Only because the amplifier is simply another point of failure that could go out any day, including mid-winter with an icy roof.

O. Megan, Pays de la Loire

Hi, i am someone who had been paying for tv for about the last 20 years. Only now after going from basic tv for only $20 a month to now of $60 a month for basic. Plus the cabel and satalite companies constantly switching up taking away what is viewed as basic and then 2nd level. Always splitting up the most popular tv stations in order to force people to pay more for what they were already recieving. I had finally had enough. Just like there will come a day when america decides to stop oil companies from running the world. . With that said, i like many of you, have read feed back from different sources in order to purchase something i knew nothing about. I had a old cheap antinna that worked every now and then , but never got a picture without snow. So instead of doing more resurch years ago why. I like many of my nieghbors who prefer to live in the country simply paid for tv. Throwing away money. . I purchase what seemed to be a high end preamplifier cause i was now determined to make this work. Went to radio shack and bought a high end big antennia. First like everyone else tried to go without a pre amplifier only to get channels for a few minutes then nothing but squares of colors. Installed the channel master the same day i recieved it. Wham hd tv without paying. Beautiful picture and clearity without cable. I would have never belief this possible. . My recomandation is, spend the money on a channel master and don't play around. However, if you just are to strapped then read about all the other preamps and decide whats best for you. Just remmember chances are this is going to be a one time exspense for a couple of years.

F. Fabian, Aquitaine says

The louisville antenna farm (actually in in) is 45 miles north. An online ota channel finder said we would get 0 channels at our address with an antenna 30' off the ground. As an experiment i put a very used, at least 15 year old antenna on my deck (6' off the ground), pointed north and wallah! 23 channels, most of which came in strong except for bad weather. However, we were not receiving the pbs channels from the same antenna farm nor pbs channels less than 10 miles away, but about 150 degrees to the south. I decided to get the model titan 2 cm-7778 amp. Not the highest gain but since i was already getting some good signal this was most highly recommended from reviews. Installation-too simple for one tv but. It requires two coax jumpers, one inside one outside, yet only comes with one. I luckily had an extra. I was disappointed after running the tv tuner: no new channels. At best the sketchy fringe signal channels might have improved some. All in all i wasted $60+ dollars and still can't watch red green. Each of the next couple days i ran the tuner several times, even trying to isolate specific channels, to no avail. Try try again. Ran the tuner this morning and walked away. Returned to have 36 channels, including the nearby pbs and a few channels from lexington, about 60 miles east. What changed, my attitude? not sure but not complaining. I will mount the antenna about 15' and call it good. Cutting the disko notwork cord has been an adjustment. This amp (as long as it keeps working! ) is making it easier.

P. Whiteman, North Dakota

I had purchased cm-7778, which was doa and returned it. Few moths ago i have purcased cm-7777 this time and still works great . This purchase was for indoor antenna in the window facing philadelphia, about 78 miles away. I'm getting ch. 3, 10, 17. 1, 17. 2, 17. 3, 17. 4, 35. 1, 35. 2, 35. 3, 35. 4, 35. 5. In the back of the antenna i have a reflector made from window screen material. I had a mash with 3/4 inch holes but, it was not as good. The window screen material gave me additional 9 db. If you can not receive a signal, you could be overpowering your receiver. Install some splitters to reduce the strength of the signal. Make sure they allow power both ways. On the other hand, if you have to many splitters in line you could be losing all your signal on splitters.

N. Wade, Arkansas says

I am using the cm-7778 with the channel master smartenna attic-mounted here in metro atlanta. I am 11 miles ne of the tower group for the major networks. I use a tivo premio 4 as a receiver/dvr. The two together aren't quite enough to give me a pixelation proof reception on the major networks. I am going to switch out to the cm7777. My weakest channel give me a 62-64 signal strength indication on the tivo, which is not quite enough. . Both the 7777 and the 7778 need a simple "power" led on the bottom of the unit, so you know for sure you cable-fed power setup is working. Otherwise, i had to use my killawatt power meter to veryify the 7778 operation. Cm tech support couldn't (or wouldn't) tell me how much power the 7778 draws during routine operation. It is . 5 amps, in case you need to check yours out. That is about 5 watts input power.

M. Joanna, North Lincolnshire

This review is to help others who might be considering using free over the air waves television instead of paying for cable tv (time warner, comcast, dish, direct tv or fios tv) in the nyc tri-state area. . We researched into what setup would best fit our local and what signals that we wanted to be able to access. The antenna that we ended up deciding to purchase through online store was. . Antenna:. 8 element bowtie indoor/outdoor hdtv antenna - 70 mile range. After our home roof and siding renovations were completed we had this installed on the south side of our home. . Next we also decided to purchase the channel master cm-7777 (over the cm-7778). This was in part due to the high signal gain of +/- 30db going by the specs. . Booster. Channel master cm-7777 titan 2 antenna preamplifier. . We are located in eastern queens ny near the border of western long island. We're not too far from nyc and can see the empire state building where many of the broadcast antennas are located. Having read through many write ups and sites that discussed best antenna, booster, direction and placement of the setup these were the main parts we decided to purchase. . The antenna was installed right after out roof and siding renovations were completed but not connected up yo the tv till much later. Due to lack of time (i doing the actual wiring and labor myself) i opted to use a smaller square shaped hd antenna we purchased previously till i found the time. What i did though was use the cm-7777 in conjunction with the smaller antenna as a stop gap. - to my surprise this configuration was decent. Most major local channels came through at the 45-72% signal strength, (some were a bit weak and were erratic at times. ) with it wired up this weekend i had the tv auto-program any channels it could find. I checked manually in diagnostic mode for signal strength. To my surprise i got a pretty steady 98% signal strength for most major local channels. I was getting around 45-72%+/- before. Now sit detects about 80+ channels vs. The 50+ channels with the smaller indoor antenna. . Also keep in mind that now the antenna setup is as follows. . (1) 8 element bowtie attached to the side of the house with a j-bar mount mount to a (2) 25ft coax cable coming into the house. Then the (3) cm-7777 setup which includes a (3) junction box which is where the (3a) power injector in plugged in. A power adapter is connected with a coax short cable which plugs into the very small junction box, (*keep in mind that you need an outlet near by and it's suggested the booster be as close to the antenna as possible. . *note: on day two in the morning we lost signal for any tv reception unexpectedly. I troubleshooted the issue and to resolve this (a) unplugged the power adapter for the power injector and (b) replugged the power adapter in to the wall outlet which restored the tv signal. I'm not sure why this happened, but since then i've had no issues. We will update if things change. . The (3b) antenna cable plug in the in port on the junction box. Then (3c) short coax cable from the out port connected to a (4) 1 to 3 splitter then to a (5) 100ft coax which is connected and plumb down from the second floor to the basement. It is connected to a (6) 1 to 2 splitter in the basement. Then attached to a (7) 100ft coax cable which is plumbed into the first floor living room where it is connected directly into the back of our (8) tv. With all this length, splitter and all the signal strength is at 98%. I have not used the deoxit to improve connections yet which i purchased thinking i would need to make sure to prevent signal degradation from with all the connections and cables i have in the setup. . The only question i have now is how does my setup fair when heavy rain sets in. I know that with the older small antenna (which is indoor antenna by the window was used if we had rain it would at times loose signal completely depend on how strong it was before the rain. We will update when i get a chance to check the signal strength under those conditions. . I do hope that this review helps you because i wish i had some reference points to go by other than hearing opinions from others where their setups did not address my local, conditions or concerns. I'll add some photos after i complete the permanent installation and mount the booster prior to sealing up the wall. . The cm-7777 is designed for outdoor or indoor installation. It comes with the needed hardware for both methods of installation.

G. Nees, Sefton says

I live in an area where all my signal strength is normal to good on a clear day. I also live close to the airport where interference can be an issue. I did previously install a clearstream antenna in my attic because rabbit ears were not an acceptable reception. This l ran straight down to my cable splitter. I was able to attain 57 channels. A few non major stations were in the bad range. I ordered the channel master cm-7778 because i figured my reception just needed a little boost. Refer to your television manual on how to check your signal strength. If your signals are bad and missing you may need to spend the two dollars more for the high gain amplifier. However, do not buy a high gain amplifier if you signal strength is slightly below normal to good. I didn't want to wait until packer football day, under extreme whether conditions to find out that my normal clear whether signal was not good enough. I received my channel master from online store before the whether got bad. I installed it the same day, rescanned my t. V. And still got 57 channels. However, the bad channels went to good and the rest of the signals max'ed out. This is when all four t. V. S are on at the same time. It looks like it's going to be a clear road to the superbowl. Go pack go!

B. Watson, New Jersey

So i bought an rca brand uhf/vhf hd outdoor antenna with the plans of finally cutting the cord. I found a really good article that detailed step by step on what further steps could be taken if the antenna only received a few channels at initial startup, and to do it methodically and systematicall. So after installation i tested the antenna and only received about 12 channels. I then installed the vhf kit that came with the antenna and was able to bump the reception to 20+ channels. This kit is nothing more than extensions to the antennas. I then installed the powered pre-amp and was able to further bump up reception to 40+ channels. Keep in mind i was only testing 1 of our 7 tvs, the main one in our living room. Also note that the antenna manual said most areas won't need the vhf kit and won't need a powered pre-amp. I needed both. I live 30 miles west of cleveland ohio and in a suburban area. With that said i also purchased the channel master distribution amplifier. When i go to test all the tv's in the house, i will determine if i need to install this. I'm anticipating that i will since the current installation is a bunch of splitters. Even if i don't need to install this i likely will simply to clean up all the splitters. Finally, my recommendation is to find an article that details step by step if/when to install a powered pre-amp and distribution amp.



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