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need some help with a hissy k100 [message #8906]

Thu, 20 September 2007 19:10

ianb
Messages: 13
Registered: July 2007
Location: tennessee

Junior Member

i picked up a charcoal plexi front k100/ 212 cab this week and the head is having some issues.
the seller told me it had some hissing issues but it was such a sick deal i jumped anyway.it's hissing loudly (not just the normal noise)on both channels and the hiss goes up with the volume.
i dropped the board today and there is quite a bit of oxidation on the traces but probing it didn't turn up any loose components and all of the resistors i've measure so far have been in tolerance. the hiss gets louder with the volume control but is present all the time to a degree.
i injected signal into the circuit right before the drivers and it sounds clean so i'm thinking it's not filters.
any of you guys got any pointers for me? i don't have a scope so i'm hoping there is a pretty common issue i just don't know about.

http://img.photobucket.com/albums/v235/ianleague/amps2/kustoms/k100s.jpg

[Updated on: Sat, 22 September 2007 01:28]

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[Message index]

		need some help with a hissy k100 By: ianb on Thu, 20 September 2007 19:10
		Re: need some help with a hissy k100 By: chicagobill on Mon, 24 September 2007 16:07
		Re: need some help with a hissy k100 By: ianb on Mon, 24 September 2007 16:58
		Re: need some help with a hissy k100 By: chicagobill on Tue, 25 September 2007 12:20
		Re: need some help with a hissy k100 By: ianb on Tue, 25 September 2007 17:37
		Re: need some help with a hissy k100 By: KustomBlues on Tue, 15 January 2008 12:11

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