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TV Antenna Signal Distribution Amplifier

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Installation Tip: TV antenna Distribution amplifiers are best used when installed as soon as they can be after the lead-in wire enters the building. Ahead of any splitters and as much of the lead wire as possible. If a pre-amplifier is in use, the distribution amplifier goes on the TV side of the pre-amplifier power supply before any splitters. They are of little use when installed behind the TV. When possible a TV antenna pre-amplifier mounted at the antenna is a better choice to improve reception quality. On large antenna systems with multiple outlets a combination of a pre-amplifier and a distribution amplifier may be necessary for best results

TV antenna distribution amplifier DA 25 HDA 100 TV antenna Distribution Amolifier HDA 2000 TV antenna Distribution Amplifier

DA-25 System
Distribution Amplifier
GAIN 25db max. 

Whether you need a lot of power or a little, the DA-25 will get the job done. It's like having two amplifiers in one. The DA-25 takes the guess work out of choosing your amplifier. Every TV antenna system is different, with the adjustable gain you can select how much power you need.

Frequency Range 54-900MHz
Gain VHF 25dB UHF 23db
Noise Figure VHF 6db UHF 8dB
Switchable FM Trap
Price: $39.00

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Winegard HDA-100 System Distribution Amplifier

Winegard HDA-100 a single RF input,
15dB gain, single RF output,
Frequency Range 54-1000MHz
Gain 15dB
Noise Figure 3dB 

Price: $54.00

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HDA 100 - 200 Instructions and specifications sheet

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Winegard HDA-200 System Distribution Amplifier
Adjustable Gain Control

The HDA-200 has a single RF input, 24 dB gain,
single RF output. The HDA-200 has
0-18 dB gain control and 20 dB“switchable”
FM trap to eliminate those offending
FM radio stations.

Frequency Range 54-1000MHz
Gain 24dB
Noise Figure 4.5 dB (at max. gain)

Price: $66.00

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What are the biggest differences between a preamplifier and a distribution amplifier?

I guess a preamplifier makes up for line loss, what advantage does a distribution amplifier (booster) have?

Looking to pull in stations 40 miles away, attic install, one splitter, and one cable running ~75ft. I have determined the antenna based on needs and signals (VHF-L, VHF-H, UHF), there are no other stations close so no overload. All stations are the same 38 degrees as well 40 miles away.

Not sure if I should be looking at pre-amps only or if a distribution amp would better help in a fringe area....... don't know what advantage a distribution amp has.

(I know, put antenna outside right? Not happening though)


Hi Donny,

A mast mounted preamplifier amplifies the signal at the antenna output and a distribution amplifier amplifies the signal at the location it is installed. Both do the same thing and amplify the TV signal. A distribution amplifier is usually installed ahead of a signal splitter when the antenna is supplying multiple TVs. Sometimes a combination of both is best for large distribution systems supplying numerios TVs. When supplying one TV either type of amplifier will work as long as the amplifier is installed in the attic and installed within a 6 foot coax cable length from the antenna output. I think the all around best choice in your situation is the AP 8700 preamplifier.

I'm all for attic installs if the attic is suitable for TV reception and the proper antenna is in use. We have a lot of customer's who have reported excellent success from attic mounted antennas. 

If you have any questions or if I can assist you further please don't hesitate to contact me.

Best Regards,
Denny Duplessis

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