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Woo Audio Amp Owner Unite - Page 2056

post #30826 of 30830

Nice! :tongue_smile:

 

I found the driver tubes supplied by Woo underwhelming (YMMV). There are better deals to be done out there for both NOS and new production driver tubes. The teflon adapters, however, are very nice.

 

New production tubes can cop a lot of flack here at HeadFi and elsewhere, but I am having a lot of fun tube rolling with them and getting some very good results.

post #30827 of 30830

Pretty much agree with you here but with the WA6 (non-SE)

Love the SP 274B and for me, best paired with either the stock Westinghouse 6DR7 but am now enjoying it with JAN Sylvania 6SN7 WGTA with the Woo adaptors.

Tube compliment in your pics looks exactly what I have in my WA6 ;)

 

Quote:

Originally Posted by Stereolab42 View Post
 

For the most part, SQ differences between tubes are less than I expect based on the price differences. Like some others I find it counter-intuitive that the tube most removed from the final signal -- the rectifier -- seems to have the most effect on SQ. 

 

 

 

 

Actually, out of 4 sets of 6DE7 (or comparable tubes), I have, I found the stock ones the best so I went the Woo stock 6SN7 adaptor/tube set.  Not impressed until I got some Sylvania 6SN7's.

 

Quote:
Originally Posted by TonyNewman View Post

I found the driver tubes supplied by Woo underwhelming (YMMV). There are better deals to be done out there for both NOS and new production driver tubes. The teflon adapters, however, are very nice.

 

post #30828 of 30830

Is it possible for choice of output tubes to drastically affect how hot the WA22 runs?

post #30829 of 30830
Quote:
Originally Posted by Stereolab42 View Post
 

Is it possible for choice of output tubes to drastically affect how hot the WA22 runs?

 

Depends on your definition of drastic.  Are the transformers getting to hot to touch?  If so, that would be a concern.

post #30830 of 30830
Quote:
Originally Posted by bonesnv View Post
 

 

Depends on your definition of drastic.  Are the transformers getting to hot to touch?  If so, that would be a concern.

 

Was playing around with two Sovtek 6AS7Gs (yes, I know... suffice it to say I ordered a wide range of stuff) and it was causing the rectifier to blaze about twice as brightly as my Woo stock and upgrade 6080s. Now one of the tubes is bad, with lots of noise and a cloudy look, and they are going back, so perhaps that is that cause. I have other 6AS7Gs and 6080s coming so I'll soon be able to do more comparisons, but I'd rather stick with tubes that will run the amp as cool as possible.

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