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Re: 250-4 [message #28627 is a reply to message #28626]

Fri, 24 June 2022 11:00

kb0rex
Messages: 33
Registered: June 2022

Member

Remeasuring this morning I have +.210 on speaker output and 36.46 on +- rails. With all preamps turned down. Could the diff amps have been stressed when this got cooked? I just can't remember how they work but I seem to recall they must be the phaser in this amp. I can't figure out what q3 does. Almost want to put a pot in for the bias to play with it.

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[Message index]

		250-4 By: kb0rex on Wed, 22 June 2022 16:29
		Re: 250-4 By: chicagobill on Thu, 23 June 2022 15:49
		Re: 250-4 By: kb0rex on Thu, 23 June 2022 17:20
		Re: 250-4 By: kb0rex on Thu, 23 June 2022 17:17
		Re: 250-4 By: kb0rex on Thu, 23 June 2022 17:17
		Re: 250-4 By: kb0rex on Thu, 23 June 2022 18:09
		Re: 250-4 By: kb0rex on Thu, 23 June 2022 19:45
		Re: 250-4 By: stevem on Fri, 24 June 2022 06:20
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 10:50
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 11:00
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 11:23
		Re: 250-4 By: stevem on Fri, 24 June 2022 11:23
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 12:19
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 12:34
		Re: 250-4 By: chicagobill on Fri, 24 June 2022 12:47
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 13:56
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 14:42
		Re: 250-4 By: stevem on Fri, 24 June 2022 15:09
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 15:47
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 16:07
		Re: 250-4 By: stevem on Fri, 24 June 2022 16:49
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 17:22
		Re: 250-4 By: stevem on Fri, 24 June 2022 19:15
		Re: 250-4 By: kb0rex on Fri, 24 June 2022 22:16
		Re: 250-4 By: kb0rex on Tue, 28 June 2022 14:43
		Re: 250-4 By: kb0rex on Wed, 29 June 2022 12:12
		Re: 250-4 By: stevem on Thu, 30 June 2022 06:12
		Re: 250-4 By: kb0rex on Mon, 04 July 2022 13:19
		Re: 250-4 By: stevem on Mon, 04 July 2022 17:02
		Re: 250-4 By: kb0rex on Mon, 04 July 2022 22:03
		Re: 250-4 By: kb0rex on Fri, 08 July 2022 23:37
		Re: 250-4 By: stevem on Sat, 09 July 2022 17:15
		Re: 250-4 By: kb0rex on Wed, 13 July 2022 12:58
		Re: 250-4 By: kb0rex on Wed, 13 July 2022 14:59
		Re: 250-4 By: kb0rex on Wed, 13 July 2022 15:13
		Re: 250-4 By: stevem on Wed, 13 July 2022 17:17
		Re: 250-4 By: kb0rex on Wed, 13 July 2022 22:18
		Re: 250-4 By: stevem on Thu, 14 July 2022 05:51
		Re: 250-4 By: stevem on Thu, 14 July 2022 07:17
		Re: 250-4 By: kb0rex on Thu, 14 July 2022 12:25
		Re: 250-4 By: kb0rex on Thu, 14 July 2022 11:27
		Re: 250-4 By: kb0rex on Thu, 14 July 2022 11:56
		Re: 250-4 By: kb0rex on Thu, 14 July 2022 12:08
		Re: 250-4 By: kb0rex on Thu, 14 July 2022 12:09
		Re: 250-4 By: kb0rex on Thu, 14 July 2022 13:19
		Re: 250-4 By: kb0rex on Fri, 09 September 2022 16:46
		Re: 250-4 By: stevem on Fri, 09 September 2022 20:06

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