Strange spikes and pops when doing LF sweeps

VvvvvV · 30th November 2005, 03:05 PM

I've just installed a new Sub and moved my computer around a bit, and I thought I would test the integration with some low frequency sweeps.

There seems to be spikes in the signal coming from my computer, on the monitors it sounds like a pop like when the signal is interrupted briefly, and on the sub it sounds like someone banging on a door.

The signal from the audiofile soundcard is going through a cheap celestion sub at the moment that provides some decent in/out line level plugs. But essentially the celestion is on standby.

the frequency sweeps were fine a few months ago, but these pops only happen with very low sweeps, music is fine, what could be happening? Is it safe for my genelec ?

Coolin · 1st December 2005, 10:39 AM

It does sound like a loose connection.

It couild also be the wiring in the cable is almost broken from all the flexing. Try moving the cables while sending music over.

30th November 2005, 03:05 PM	#1
VvvvvV diyAudio Member Join Date: Oct 2003 Location: oxfrd	Strange spikes and pops when doing LF sweeps I've just installed a new Sub and moved my computer around a bit, and I thought I would test the integration with some low frequency sweeps. There seems to be spikes in the signal coming from my computer, on the monitors it sounds like a pop like when the signal is interrupted briefly, and on the sub it sounds like someone banging on a door. The signal from the audiofile soundcard is going through a cheap celestion sub at the moment that provides some decent in/out line level plugs. But essentially the celestion is on standby. the frequency sweeps were fine a few months ago, but these pops only happen with very low sweeps, music is fine, what could be happening? Is it safe for my genelec ?

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1st December 2005, 10:39 AM	#2
Coolin diyAudio Member Join Date: Apr 2003 Location: Holland	It does sound like a loose connection. It couild also be the wiring in the cable is almost broken from all the flexing. Try moving the cables while sending music over.

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