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How to Choose a Distribution Amplifier
A problem that occurs often with A/V systems is poor signal quality between your source and display device (example: DVD to projector.) Likely reasons are long cable length or a defective cable. If your picture is fuzzy, snowy, has a double image, loss of colors, or shows nothing, test your cable or consider a distribution amplifier.
A distribution amplifier (DA) accepts a signal from the source, boosts that signal, and sends it out to one or more displays.
Choosing a DA depends on your signal type. For example, a DVD player would need an S-video or component DA depending upon the output of the unit. VGA DAs are used in applications where a computer signal needs to be sent to the source. Distribution amps allow you to send the same signal to multiple devices, i.e. 1 CPU signal to 2 plasma screens.
Signal drop off occurs at different distances with different signal types. Below are some rough guidelines:
Computer Signal: 50’ DA1907SX
S-Video Signal: 100’ DA1706SV
Component Signal: 200’ DA1804NT
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