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Old 07-11-2008, 04:22 AM   #1 (permalink)
roadtonowhere08
Headphoneus Supremus
 
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Join Date: Mar 2004
Location: Orange County
Posts: 2,121
Default Light Switch and Speaker "Pop"

Hey Guys,

I moved my stuff downstairs and I have run into an interesting problem that I have never heard about before. When someone turns on or off the light in the room adjacent to the room I have my stuff plugged into, the speakers make a single pop that is not loud but noticeable. It sounds like the pops on an LP. I am assuming that the switch is causing a surge or spike of AC, but I am not sure.

My setup is a computer with a coax out to a Benchmark DAC1 into a Face Audio power amp. The computer, DAC, and amp are plugged into a Brickwall surge filter (PW8R15AUD), and thus into the same wall outlet.

I want to know a few things:

1. What is causing this pop, when upstairs, I had no problems?
2. Is this pop damaging to the DAC or amp?
3. How can I get rid of this?

Thanks in advance for any help...
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Speaker Setup: Sndscape Cinema -> Bluejeans Cable Belden 1505F Coax (BNC-BNC) -> Benchmark DAC1 -> Mogami XLR-XLR -> Bryston 4B SST -> Bluejeans Cable Twelve White -> Klipsch RF-7s (Full Range) with an
SVS PB12-ISD (60hz Crossover)

Headphone Setup: HT Omega Claro -> Ebay Glass Toslink -> Zero DAC -> Blue Jeans Cable LC-1 RCA -> Dynalo -> Grado RS-1 *S/N 2760* w/Flats (Thank You Afrikane, You Are The Best!!!)


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