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Looking for Scematics [message #15111]

Mon, 17 January 2011 10:22

JoeT
Messages: 13
Registered: December 2010
Location: Wynantskill, NY

Junior Member

Hi Guys, Picked up a 150-6 Bass combo in fair condition. Looking
to rebuid. Unfortunately someone in the past had removed the power amp board and intalled different power amp. Cannot identify what the amp is, but its a small module on a heat sink with date codes of 1971. Whomever did the mods, do a decent job. Combo plays and sounds OK, but obviouosly with mods that drastic not confident in the reliablity and its power output.
Looking to see if anyone has schematics for the K150-6 bass combo, and if anyone has an amplifier board or old chassis they are willing to part with and for how much.

Someone had sent me schematics for a K100-1 I bought a couple months ago. Head would not output at all. Checked every component in the amp and could not find anything definitely bad. When I received the drawings I notice the drawings which were a Revision 3, had some 1% resistors indicated when my unit had 5% carbon. Checked those 2 resisitor and found they had drifted so far out of spec that they shut the amp down. Replaced with precision resistors and amp sounds great. Thought you repair guys might find intersesting.

Thanks
Joe Treiber

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[Message index]

		Looking for Scematics By: JoeT on Mon, 17 January 2011 10:22
		Re: Looking for Scematics By: stevem on Sun, 23 January 2011 13:11
		Re: Looking for Scematics By: pleat on Sun, 23 January 2011 14:37
		Re: Looking for Scematics By: JoeT on Sun, 23 January 2011 18:28
		Re: Looking for Scematics By: pleat on Sun, 23 January 2011 22:47
		Re: Looking for Scematics By: JoeT on Tue, 25 January 2011 12:09
		Re: Looking for Scematics By: Kustom_Bart on Tue, 25 January 2011 13:52
		Re: Looking for Scematics By: pleat on Tue, 25 January 2011 17:51
		Re: Looking for Scematics By: JoeT on Wed, 26 January 2011 08:18
		Re: Looking for Scematics By: pleat on Wed, 26 January 2011 08:45
		Re: Looking for Scematics By: JoeT on Wed, 26 January 2011 17:04

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