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Piezo chirping [message #37128]

Mon, 01 July 2002 20:45

dbeardsl
Messages: 127
Registered: May 2009

Master

My father just built a stereo guitar cabinet with 2 Alpha 8A's and two KSN1005A's per side, all in parallel. We is running it with a (30W/ch at 8 ohms) guitar head. The piezo's chirp at moderate to loud volumes. I've isolated it to the back emf problem... it doesn't happen with the woofers out of the circuit.

Is there anyway to fix this besides having two amps? I tried a few quick things with resistors and caps I had laying around... but nothing worked. I do have some of the cheap CTS knockoff piezo and they distort horribly at moderate to loud volumes and also chirp just as much.

Would a zobel help?

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[Message index]

		Piezo chirping By: dbeardsl on Mon, 01 July 2002 20:45
		Re: Piezo chirping By: Wayne Parham on Mon, 01 July 2002 22:33
		continued.... By: dbeardsl on Tue, 02 July 2002 01:43
		Try a proper x-o on the piezos By: Andy.G on Wed, 03 July 2002 05:03
		arg.. By: dbeardsl on Thu, 04 July 2002 00:11
		Re: arg.. By: Wayne Parham on Thu, 04 July 2002 01:18
		Proper Guitar Spkr Design By: Paul C. on Sat, 06 July 2002 07:45
		Re: Proper Guitar Spkr Design By: Paul C. on Sat, 06 July 2002 08:15
		Re: Proper Guitar Spkr Design By: Paul C. on Sat, 06 July 2002 10:50
		Thanks... By: dbeardsl on Sat, 06 July 2002 11:19
		Re: Thanks... By: Paul C. on Sat, 06 July 2002 11:39

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