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08/14/24 at 20:51:21
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OA3 tube (Read 7805 times)
settipani
Ex Member
OA3 tube
02/17/08 at 01:25:35
I'm looking at the SE84ZSM blocks & I was wondering what is the durability/ life span in hours of a OA3 tube? I'm looking for sources to purchase this tube & I'm have troubles finding them. Any sub or upgrade to this voltage regulation tube?
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rayd
Seasoned Member
Posts: 166
Re: OA3 tube
Reply #1 -
02/17/08 at 11:42:35
Hi settipani,
According to Steve, there are no advantages to rolling this tube in the new monos. (See
Reply #55 in this thread
).
As to durability/lifespan, that I don't know.
- Ray
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Decware SE84CS Zen Select, vintage Philips CD880 w/CDM-1 MK2 transport & TDA1541A S1 DAC, Parker 95's, Promitheus Audio TVC Reference 1, Blue Jeans Cables, NOS Tubes, HAL-Os
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settipani
Ex Member
Re: OA3 tube
Reply #2 -
02/17/08 at 13:57:02
Thanks for the link...it answered part of my question.
Also it lead into Steve's article on the secret behind the Zen Triode output transformers.
Steve
I had a similar experience in my industry with a gentleman that retired from NASA’s computational sciences branch after 43 years. I agree, tight logic design solutions produce the best results to new developments.
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Crazy Bill the Eel Killer
Seasoned Member
Tubes Rule !!
Posts: 238
Re: OA3 tube
Reply #3 -
02/20/08 at 03:35:55
Hello Settipani,
Here's a link that should answer your question.
http://www.hawthorneaudio.com/forums/viewtopic.php?f=8&t=1623
While the tubes aren't exact equivalents, they're both cold cathode types, just operating at different voltages. Try ebay. Don't be afraid of the Russian equivalents.
Cheers, Crazy Bill
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