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Re: Repair [message #28971 is a reply to message #28970]

Sat, 11 March 2023 12:21

NLKustom
Messages: 45
Registered: March 2022

Member

rodak wrote on Thu, 09 March 2023 14:35

Where did you buy the schematics at? Was it a PDF or an actual physical copy? I have a PDF, but would love to have a nice, full size foldout copy.

Always happy to support anyone selling these old schematics (as long as it's not horribly over-priced)

I bought the schematics from https://antiqueradioschematics.org/. It's in a PDF file. Price was $9.95US.
I printed them out on long paper(had to set my printer on legal).

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Re: Repair [message #28972 is a reply to message #28494]

Sat, 11 March 2023 15:24

stevem
Messages: 4663
Registered: June 2004
Location: NY

Senior Member

If I am not mistaken any store like office max or staples can take your pdf file and print you out a larger then 8 x 11 copy of it.

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Re: Repair [message #28976 is a reply to message #28494]

Tue, 14 March 2023 13:44

NLKustom
Messages: 45
Registered: March 2022

Member

What should the ohm readings be on the reverb tank?
I'm testing my old reverb tank with the ohm meter set on 200, the lowest setting.
I'm getting 168.3ohms on the input side and 169.1 on the output side.
Is this normal or is this tank gone?
Most videos on Youtube say the input should be way lower.
Any help here on this?

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Re: Repair [message #28981 is a reply to message #28494]

Wed, 15 March 2023 12:13

chicagobill
Messages: 2002
Registered: April 2003

Senior Member

Those readings are normal for your reverb tank. They typically will read from 150-190 ohms.

Fender and some other amps use a tank that will read 1-2 ohms on the input side.

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Re: Repair [message #28989 is a reply to message #28494]

Wed, 15 March 2023 21:50

NLKustom
Messages: 45
Registered: March 2022

Member

Steve,
So I put the reverb tank back in the amp, hooked it up and everything seems to be working fine. I don't know what the tech guy fixed or replaced, but it was something on the board where the intensity pot is, there is some heat burns on the board just under the pot where he did some soldering. But I will find out.
The reverb works, don't know if it as strong as it supposed to be. I have a new tank coming from Tubes&more, is has the long delay, which according to info on this site is the proper tank for that K150-8.
I will install that one when it arrives to see if the reverb is any different.
But so far so good.

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