Skylab, you really need to try a few additional things with your Extreme.
First, have you tried a Tung Sol 2c51 (or even better, the LM Ericsson 2c51) for the driver? Much better than any 6SN7's I've tried.
Second, you should try the Tung-Sol 5998 with that 2c51. (Although the GE 5998A is a cheap alternative to see if you like the sound -- if you do, then the Tung-Sol is much better, although more expensive).
Third, you really ought to sell some of your less used stuff and get the Ultrasone Edition 9. My Darth Beyer and D5000 don't even compare to the Ed. 9's.
And one thing that helped with some noise I had was a good power conditioner.
(I just noticed you have B&W Nautilus 800 Signatures! I assume you listen to headphones only when you have to!)
First, have you tried a Tung Sol 2c51 (or even better, the LM Ericsson 2c51) for the driver? Much better than any 6SN7's I've tried.
Second, you should try the Tung-Sol 5998 with that 2c51. (Although the GE 5998A is a cheap alternative to see if you like the sound -- if you do, then the Tung-Sol is much better, although more expensive).
Third, you really ought to sell some of your less used stuff and get the Ultrasone Edition 9. My Darth Beyer and D5000 don't even compare to the Ed. 9's.
And one thing that helped with some noise I had was a good power conditioner.
(I just noticed you have B&W Nautilus 800 Signatures! I assume you listen to headphones only when you have to!)
