Woo Audio Amp Owner Unite
May 11, 2013 at 1:24 AM Post #25,413 of 42,298
What are some good driver/power tubes to pair with the 596? Other than the stock tubes, I've tried the Sophia and 596 rectifier's and a pair of 6EM7 driver tubes for my WA6-SE. I like both rectifiers, but the 6EM7's seem to take away from the sound quality. Not sure if there's something wrong with my pair of tubes or if it's just the sound in general that I don't like, but I've gone back to the stock driver tubes. I'd love to try some others.  
 
May 11, 2013 at 3:47 AM Post #25,414 of 42,298
i like my 6GL7 (same as 6EM7 basically) with 596, but it tends to get the most use with LCD-2, and sometimes HD 800.
 
check out 6FD7 as well, they're pretty good.
 
May 11, 2013 at 6:03 AM Post #25,415 of 42,298
May 11, 2013 at 9:38 AM Post #25,416 of 42,298
May 11, 2013 at 10:14 AM Post #25,417 of 42,298
Quote:
Jack confirmed that it can't be used in the WA2 because of it's high current requirements.  Bummer.

Big Time!
 
May 11, 2013 at 12:01 PM Post #25,419 of 42,298
Quote:
I have a hum on the right channel on a new WA2, I have exchanged tubes, swapped tubes over, lifted earth line and tried new location for the amp with no luck. Any other suggestions I could try?

BIN! 
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May 11, 2013 at 12:46 PM Post #25,420 of 42,298
Quote:
i like my 6GL7 (same as 6EM7 basically) with 596, but it tends to get the most use with LCD-2, and sometimes HD 800.
 
check out 6FD7 as well, they're pretty good.

I'm a 6FD7 fanman myself.
biggrin.gif

 
May 11, 2013 at 1:18 PM Post #25,421 of 42,298
Quote:
I have a hum on the right channel on a new WA2, I have exchanged tubes, swapped tubes over, lifted earth line and tried new location for the amp with no luck. Any other suggestions I could try?

 
It sounds like your amp may need to be checked out by Woo. You've tried everything that I could think of anyways. Best of luck!
 
May 11, 2013 at 5:00 PM Post #25,422 of 42,298
Quote:
I have a hum on the right channel on a new WA2, I have exchanged tubes, swapped tubes over, lifted earth line and tried new location for the amp with no luck. Any other suggestions I could try?

Did you try another set of headphones?
 
May 11, 2013 at 6:35 PM Post #25,425 of 42,298
Quote:
Quick update on problem, the static comes from my computer. However, I can still hear it when I transfer the signal from my computer to the DAC via optical cable.
 
There is one thing I don't understand, both my WA6-SE and my PanAm are plug to the DAC via RCA cables but when I listen to the PanAm I cannot hear the static at all... What could be the issue?
 
And I just realised that when I touched the volume knob I can hear more static but when I stop touching it I can only hear the static from the computer. When I turned the computer "off" I cannot hear the static anymore, however if I touch the volume knob I can hear statics...

I changed the driver tubes and I don't get any more static from touching the volume knob... So the tubes were causing that? but how?
 

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