Channel MasterCM-7777 - TV signal amplifiers (UL, Type "F", Grey)

Did not over amplify in week tv signal area. Great for long cable runs. UPDATE: Tried again. Testing San Diego. No signal and no light on on plug thing. Kept trying different wires. RG 6, RG 11. Discovered I had in and out backward on the preamp on mask. Planning on trying for a vhf station I want at 90 miles on channel 13. Antenna guy pa got channel 13 on this antenna and not 2 others. Long range. I'm supposed to get a channel 4 from L.A. at 90 miles. Everything from San Diego is listed as weak. Mexico comes in great. T.J. OT: My brother tried very old Channel Master indoor amp that was his father in laws. Owned electric December 6, 2024 update: The antenna with this amp is the only one getting KGTV channel 10 lately. Non of Telves amps and lower price high gain are getting it. Outside low height and wrong side of house vhs antennas. Can't wait to try other one I bought for a new long range antenna bought long ago. Trying for Los Angeles. About 89 miles. Some are 2 edge or tropos. Have got before. Low quality signal often on KABC 7 and KCOP 13. Had luck in summer Me-TV on KDOC 56 onChannel 12. store. Says channel 2-82. Not 69. Worked great. Did not need his vhf antenna anymore.

good amplification properties, solid signal on 68 channels now.

Working well. It helps with strengthening the weaker signals.

I read them all, and they fall into two categories: premature hardware failure, and RTFM/mis-application issues. I just bought and installed one of these amps, and I'm focused on the second issue here.This thing is GREAT for getting more range / more channels in fringe / deep fringe areas.This thing will not work in (sub-)urban areas or as a distribution amp.Pros_________________Cons: - red hot gain            - no gain control to make it more forgiving of overloads - sturdy casing           - mine wouldn't open so I couldn't change the FM trap setting - value                  - crummy warranty (seriously?? 90 days??)This thing's greatest strength -- gain -- is its weakness. If you live within 30 miles of a powerful FM or TV transmitter, airport, or military base, it will get hopelessly overloaded (even decreasing the signal). That means nearly all metro areas and many suburbanites should buy something else (look at the Kitz Tech amps, which have a nice gain control). I tested the Channel Master against 3 other high gain amps, and this one came out best of the bunch. Unfortunately, there aren't any analog signals in my area so I can't give you any qualitative review about its noise figure, but on digital channels the picture was free of pixelation from 300 kW transmitters 100 miles away. When the wind is blowing the right direction, I get a 21 kW station that's 150 miles away (but...don't expect that!)In my area, there are no transmitters within 30 miles and nothing more than 100 kW within 70 miles. So interference and overloading are just not an issue, and this amp sings. I've got stacked Yagis, but frankly there's little point to that strategy as you lose much of the 3dB gain from the second antenna to the insertion loss of the balun that combines them. In contrast, this amp gives nearly 30 dB of gain -- that's 1000x the signal from a single antenna.How reliable is the hardware? It's worked great for 24 hours ;-). If you're concerned about premature failure, run it inside your house (at the other end of the antenna cable's loss) rather than on the mast for the first 90 days. That way, you'll get a pleasant surprise of another 5 dB of gain when you move the amp to the mast where it should have been installed in the first place..

Works fine, but was hoping to get more signal than a cheap RCA AMP1450 booster. I am using an Antennas Direct db4e with this. No improvement over the old booster at all.