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Electro Harmonix 6922 pre-amp tubes

Anybody try any of these Electro Harmonix 6922 pre-amp tubes silver or gold pin tubes being advertised on Audiogon in there preamp? How do they sound? I need 10 6922 in my preamp. I was thinking of trying 8 silver and maybe 2 gold pin or a couple of NOS tubes for the important ones but I don't anything about them.
coxhaus

Showing 2 responses by robert53

robert53
513 posts
 
I'm sorry. 6922s, but I just started using 2 EH 12AU7A tubes in my CAT and the 12AU7s are the ones I was Talking about in the post above. The 6922s have been in for a while and sound fine. That's what happens when someone is talking to me when I'm typing. Sorry for the confusion.
robert53
513 posts
 
I'm using 4 EH 12AU7A tubes in my CAT preamp. They sound pretty good after break in and are holding up so far. They don't sound as good as NOS Amperex, Brimar,  RFT, etc. though, but some of these tubes become noisy quickly. The gold pin EH tubes are cryo treated and are different than the standard ones but I don't know if they sound better. Has anyone tried both types?
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