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For Sale: Boost your OTA Signal - Channel Master 7777 VHF/UHF Pre Amplifier
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Post 1 made on Friday April 16, 2010 at 13:19
Lurking Member
April 2010
I have a Channel Master 7777 VHF/UHF Pre Amplifier for sale

Box open, but never used. As I moved into a condo, antennas are not allowed.

Price: $95

Get the most out of your Over the Air signal with the best pre-amplifier on the market. This unit has a high UHF 26dB gain, with only 2dB noise.

VHF and UHF bands with separate amplification in each band for maximum signal handling

May be configured for either separate or combined VHF and UHF inputs
Includes a switchable FM trap

To see photos, follow these links:

Item Specification

Inputs: 1 VHF / 2 UHF
Input & Output Impedance: 75 Ohms
Input & output Connectors: F Type
VHF Gain: 23 dB
VHF Noise Figure: 2.8 dB
VHF Ouput Capability: 57 dBmV*
UHF Gain: 26 dB
UHF Noise Figure: 2.0 dB
UHF Output Capability: 51 dBmV*
FM Control: Switchable Trap
Power Supply:Included

Will I need a pre-amplifier?

If the distance to the transmitting towers are more than 40 kilometers, you live in difficult terrain, or for attic antenna installs, a pre-amplifier will enhance your installation. A pre-amplifier is used to overcome any losses in the coax cable from the antenna to your TV.

A pre-amplifier consists of two key components:
An amplifier, which mounts directly on the antenna mast.
A power supply, which mounts nearest to your television set and plugs into your AC outlet. (should be placed before any splits)

The power supply feeds power back to the amplifier head via your existing coax cable, thus eliminating the need to run a separate power line to your antenna and insuring that only the television signal is amplified, not any induced noise or interference that may be present on the coaxial line.

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