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Old 7-Dec-2019, 12:38 AM   #17
Retired A/V Tech
Join Date: Aug 2012
Location: S.E. VA
Posts: 2,736
The CM7777HD is a good preamp; I have two of them that I use as test amps for setups. But, I really don't like the housing because it doesn't seem suitable for outdoor use. Their other preamps have the connectors on the bottom which provides better weather protection.

Their previous 7777 with the single antenna input doesn't have a good reliability record:

Their new 7777V3 looks promising, but it is as yet unproven. I suspect it will be more reliable.

Attached Images
File Type: jpg CM7777HDAmplify_4.jpg (109.6 KB, 1113 views)
File Type: jpg CM7777_2ndGen.JPG (31.3 KB, 1119 views)
File Type: jpg CM-7777V3_1.jpg (160.0 KB, 1054 views)
If you can not measure it, you can not improve it.
Lord Kelvin, 1883

Last edited by rabbit73; 7-Dec-2019 at 5:55 PM.
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