VintageKustom.com: Repairing Kustom Amps

Home » VintageKustom.com » Repairing Kustom Amps » 250-4 (got it burnt up to repair on my bech)

Show: Today's Messages :: Show Polls :: Message Navigator

Re: 250-4 [message #28664 is a reply to message #28618]

Wed, 13 July 2022 17:17

stevem
Messages: 4733
Registered: June 2004
Location: NY

Senior Member

If you input like 150mv into either preamp you should be able to have close to 3 volts rms show up at the power amp booster jack on the rear of the amp.

I would check that you have 12 volts + and - feeding the preamps from the two Zener diodes.

Report message to a moderator

[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

Previous Topic:	K200 Bright Channel is ALIVE...
Next Topic:	Krossroad 500 "pops" when powered off

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Apr #d 20:20:08 EDT 2024

.:: Contact :: Home ::.