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Original Message

Re: Tweaking the DAC 1.1 - 12AU to 5814 to E80CC to ???

Posted by robert on April 5, 2000 at 06:58:08:

Yes, tried Tungsol 5814A's (a very good tube) and it was better than 12AU7's - but nothing compared to the E80CC - and just as an indicator of how good, I started out with a Mullard 10M ECC82 in there - and an E80CC which I believe to be a US made Philips (not the best of the E80CC's by any stretch) completely outclassed it!
A better choice than the 5814A, I think, is the Tungsol 5963, or even the RCA black plate 5963. Not up to the E80CC, but close.
When you swap the caps to Black Gates, keep the Jensens in there now, as well as the Wimas, and watch out for the sizes - there is not enough real estate on the DAC 1.1 boards for some of the best Black Gates. There's no point in changing the existing carbon film resistors in the stock unit as they are quite good, but getting rid of the rest and going to Tantaliums and Riken carbons is a big step forward.
You are right, I find the DAC has terrific pace, and with the improvements I've done so far, the analog like qualities are enhanced and overall the DAC becomes bigger, quieter and more rounded. Detail is abundant, but so is the warmth and tone, as well as a very rhythmic quality.

You should hear Pink Floyd's new live Wall set on this baby!