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AUDIO FORUMS >> Replacement Tubes >> Help with these tubes
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Message started by Hank on 01/19/11 at 01:26:56

Title: Help with these tubes
Post by Hank on 01/19/11 at 01:26:56

I have 2 signal tubes I've mixed up. :( They are Russian triode signal tubes I purchased for rolling in my Decware amps.

They have the following markings:

"OTH1" with a diamond "17"
"OTH7" with a diamond "11"

Any help with this is appreciated.

Regards,
Hank

Title: Re: Help with these tubes
Post by Rivieraranch on 01/19/11 at 01:50:05

These are the military acceptance markings. They are probably 6N1P's. why don't you post some pictures so we can be sure.

Title: Re: Help with these tubes
Post by Hank on 01/19/11 at 01:55:57

I'll get that done tonight. Visually, they look the same.

I'm hoping they turn out to be 6922's because they sound better to my ears, than the other variants.

Title: Re: Help with these tubes
Post by JSantos on 03/03/16 at 14:02:30

It's highly likely they're 6N1Ps though...