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Channel Plus Da-506bid Bi-directional Rf Distribution Amplifier - 6-way - 806mhz, 42mhz - Amplifier (da506bid) Reviews
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6 Ch Cable Signal Amplifier

By Mike G Verified Purchaser from Emerson, NJ on 04/01/2008

Describe Yourself:

Business Owner


Improves Performance, Professional Quality, Highly Compatible, Easy To Use

How long have you owned it:

A Month Or Less

Bottom Line:

Yes, I would recommend this to a friend

Greatly improves the signal strength of cable signal for cable boxes, VOIP and cable modems.

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"I installed the ...

By bigdog Verified Reviewer from Undisclosed on 04/02/2006

I installed the ChannelPlus DA-506BID video amplifier and the AC adapter started to make a buzzing noise, the images on the TVs were distorted, and the TV speakers started to make a crackling noise. When I disconnected the ChannelPlus amp, the problems went away. [...] Hopefully, the replacement will work.

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"I wish every purchase ...

By Chazzz Verified Reviewer from Undisclosed on 02/08/2006

I wish every purchase worked out as well as this one! I bought this bi-directional distribution amplifier for my home use. I have a cable modem, an HDTV, and four other TV's fed off of the CATV feed in my home. I was having problems with the TV reception in the lower channels and had already "tweaked" my distribution to get the cable modem and HDTV working. By the way, I'm an RF engineer. Anyway, all current cable modems and cable digital TV boxes send an RF signal back to the cable company as part of their communications. This signal is normally below the TV channel 2 RF band. You can either use a Bi-Amp cable distribution amplifier like this unit (it allows for transmitting this RF signal back upstream through the Bi-Amp), or you can use passive splitters. But passive splitters give you signal loss, resulting in "snow" in your picture in the extreme case. And old fashioned CATV distribution amplifiers block the return signal so the modem or digital cable box cannot work. A second problem with old fashioned CATV distribution amplifiers is that they get overdriven by whatever portion of the cable modem's (or digital cable box's) upstream signal is reflected into CATV amp and this typically results in interference in the lower few channels as "beats" or diagonal noise in the picture. You can tell if this is the problem by disconnecting the cable modem (or digital cable box). A third problem with either a bunch of passive splitters or the old fashioned CATV distribution amplifiers is that they don't necessarily match the cable impedance very well over the full band which results in micro-reflections in your cable system. You might not notice this in a standard TV, but this will completely keep a digital cable box from working! Anyway, I replaced my mess of passive splitters and an older CATV distribution amp with the Channel Plus DA-506 bid. The results were superb! The cable modem continued to work just fine with plenty of margin. The HDTV looks great, and all the standard TV channels are now clean and noise free - including those trouble prone lower 3 or 4 channels! Basically, you take it out of the box, physically mount it (vertically is preferred for best cooling and hence long term reliability), and hook up the CATV source cable and all your cable drops, plug in the AC power adapter included - And presto, it just works! Oh, just a word - This unit appears to be designed for interior locations, not exposed to the weather. One additional piece of advice, while you're at it I advise replacing the "F" connector ends on the cables with gold plated connectors instead of the crappy ones your cable company uses. They are cheap enough insurance against aggravation later. Chazzz

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