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Driver Tubes 6922

I've heard a few people opining that the driver tube can be the most important tube.

Why is this?

What do you look for in a 6922?

What differences might I expect to hear replacing my modern GL e88cc with an expensive NOS 6922?

Any recommendations for a 6922  based on actual experience?

 

Thanks

 

TD

 

128x128tonydennison
tonydennison's avatar
tonydennison OP
408 posts
 

@tomcy6 

They are not new.

newbee
4,768 posts
 

OP, Out of curiosity, how old must a tube be before it becomes a NOS tube. I have a stash of old St Petersburg Svetlana (now SED) power tubes which have been out of production for some time. Are they NOS? They sure are good!

FWIW, re NOS v current production 6922/6dj8s after trying/comparing them in a tubed headphone amp, I ended up with JJ's which were very quiet (super important in headphones, you know) and tonally slightly warm. Best of all they are cheap(er) than most other current and NOS tubes. Fairly reliable, I've yet to have one fail. 

tonydennison's avatar
tonydennison OP
408 posts
 

@newbee 

I am no expert but I would consider tubes made prior to 1970 and never left the box to be NOS. ive never thought JJ to be very good. I giess it comes down to synergy.

invalid
1,226 posts
 

@tonydennison  would you consider a tube as new if has been tested over the years hundreds of times, but never used in any equipment.

 

 

tonydennison's avatar
tonydennison OP
408 posts
 

@invalid  

why do you ask? Do you have some you are considering purchasing?

 

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