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OA3 tube (Read 1989 times)
settipani
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Posts: 6
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
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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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« Last Edit: 02/17/08 at 11:42:56 by rayd »  

Decware SE84CS Zen Select (EV modded), 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
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Posts: 6
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
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Tubes Rule !!

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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             Smiley
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