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Re: Valve recognition
Posted: Wed Aug 19, 2020 10:15 am
by Saxman
Will try him see what happens thanks
Re: Valve recognition
Posted: Wed Aug 19, 2020 10:41 am
by Cyndale
Saxman wrote: ↑Wed Aug 19, 2020 10:15 am
Will try him see what happens thanks
You could try the Tube Rollers and Tube Amps Facebook page, I got great help there about Tubes (valves to us).
https://www.facebook.com/groups/434387153683618
Re: Valve recognition
Posted: Wed Aug 19, 2020 2:41 pm
by Saxman
Hi Guys
Thanks to Brent Jesse problem solved They are 12ax7 USA Tungsol.
The red and green tips denote aftermarket screening for low noise, uniform output, probably used for hospital tests and measuring equipment.
Thankyou all for your input
Alan
Re: Valve recognition
Posted: Wed Aug 19, 2020 2:49 pm
by Diapason
Nice one!
Re: Valve recognition
Posted: Thu Aug 20, 2020 11:06 pm
by Fran
great result!!