Fosgate outputs

clayton · 23rd July 2004, 01:53 AM

I have a fosgate punch 100.2 amp. The left outputhas 30v dc on it when powered on w/o preamps hooked up. I have replaced output transistors but still have same problem. The problem started when I connected it to my mids & highs @ a 2ohm load per channel. It fried my whole left side of speakers that were connected to it. I have since than replaced all mids & highs. Is there something that I am missing. Any help would be great. Thanks in advance,
Clayton

ECM · 23rd July 2004, 02:02 AM

check for any blown coupling caps. also check the power supply for voltage symmetry. the ps should have +/- X volts. make sure both of the power rails are good.

clayton · 23rd July 2004, 02:14 AM

Thanks for the response. I will check those items & let you know wht I have found.

23rd July 2004, 01:53 AM	#1
clayton diyAudio Member Join Date: Apr 2004 Location: LA.	Fosgate outputs I have a fosgate punch 100.2 amp. The left outputhas 30v dc on it when powered on w/o preamps hooked up. I have replaced output transistors but still have same problem. The problem started when I connected it to my mids & highs @ a 2ohm load per channel. It fried my whole left side of speakers that were connected to it. I have since than replaced all mids & highs. Is there something that I am missing. Any help would be great. Thanks in advance, Clayton

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23rd July 2004, 02:02 AM	#2
ECM diyAudio Member Join Date: Jul 2004 Location: Cyprus	check for any blown coupling caps. also check the power supply for voltage symmetry. the ps should have +/- X volts. make sure both of the power rails are good.

23rd July 2004, 02:14 AM	#3
clayton diyAudio Member Join Date: Apr 2004 Location: LA.	Thanks for the response. I will check those items & let you know wht I have found.

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