5c1 ot anyone?

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Oddvar R
Posts: 487
Joined: Tue Jan 09, 2018 7:39 am

5c1 ot anyone?

Post by Oddvar R »

Hi. Thinking about building a 5c1. What OT was originally used in that amp?
Stevem
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Location: 1/3rd the way out one of the arms of the Milkyway.

Re: 5c1 ot anyone?

Post by Stevem »

The original was made by Schumacher , now long out of business.
It was 7K ohms.

Mojotone has a nice replacement with a 8 ohm tap on it also which will open the door to many more speakers other then a 4 ohm that came in every champ every made.
When I die, I want to go like my Grandfather did, peacefully in his sleep.
Not screaming like the passengers in his car!😊

Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
Oddvar R
Posts: 487
Joined: Tue Jan 09, 2018 7:39 am

Re: 5c1 ot anyone?

Post by Oddvar R »

Good tip, I'll check it out. Thanks.
Mark
Posts: 2982
Joined: Sat Jan 15, 2005 8:10 am
Location: Sydney Australia

Re: 5c1 ot anyone?

Post by Mark »

Surely the 6SJ7 pentode is the greater issue.
Yours Sincerely

Mark Abbott
ChopSauce
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Joined: Wed Mar 15, 2017 12:08 pm
Location: So Paris, France

Re: 5c1 ot anyone?

Post by ChopSauce »

That: https://www.tube-town.net/ttstore/6sj7-black-metal.html ... :?:

From the specs, the OT looks like standard tweed champ ... :?
(but certainly the US guys have easy access to the finest supplies)
Stevem
Posts: 4576
Joined: Fri Jan 24, 2014 3:01 pm
Location: 1/3rd the way out one of the arms of the Milkyway.

Re: 5c1 ot anyone?

Post by Stevem »

If your in the states SND tubes has loads of them for 5 bucks.

Right now with the state of the world having only one tube manufacturer left on the planet I would be looking to get the output tubes first if I did not have fresh ones to start with already!

You will likely be able to get NOS 6SJ7s without issue for a good while.
When I die, I want to go like my Grandfather did, peacefully in his sleep.
Not screaming like the passengers in his car!😊

Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
Mark
Posts: 2982
Joined: Sat Jan 15, 2005 8:10 am
Location: Sydney Australia

Re: 5c1 ot anyone?

Post by Mark »

The 6SJ7 valves are notoriously microphonic.

https://el34world.com/Forum/index.php?topic=18125.0
Yours Sincerely

Mark Abbott
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