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In Reply to: Re: Oversampling & DAC 1.1 posted by Robert on March 30, 2000 at 10:48:12:
Robert,>>>...The standard DAC 1.1 isn't really a useful improvement over that, but I upgraded it by changing all the 1 watt metal film resistors to either Tants or Rikens, all the Digi board and Analog board caps (except the Wimas) to Black Gates, and the power supply caps to Black Gates and resistors to Mills or Yamamuras. Tremendous lowering of the noise floor, increase in ambience, naturalness and tone, and effortlessness.<<<
Thanks for the updates. i, too, am going to be going the way of Black Gate, silver wire, and other tweaks. Aaahhhh, the next level in getting the most from this kit. :-{)
Enjoy the music,
Steven R. Rochlin
To completely blow you away, after changing to Black Gates, tants and rikens, hexfreds, etc.. I changed the tube from 12AU7 to E80CC - a complete shocker. Increase in bloom, bass and dynamics is devastating. Next to go is the power supply, one of the weak links in this kit, maybe later - transformer coupled filtering a la DAC 5.Lastly, Black Diamond cones really help -
Have fun!
Robert,> > > ...To completely blow you away, after changing to Black Gates, tants and rikens, hexfreds, etc.. I changed the tube from 12AU7 to E80CC - a complete shocker. < < <
Oooh, i have one of those tubes here somewhere (as i start scratching my head trying to remember which storage space they are at). Just found a pair of 5814. Hmm, maybe i'll try those too. Have you tried the 5814 yet???
> > > Increase in bloom, bass and dynamics is devastating. < < <i agree the overall very large scale dynamics could use some enhancement. i LOVE the micro dynamics and analogue-like ease i am currently getting.
Enjoy the music,
Steven R. Rochlin
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!
Robert,Thanks for the GREAT info dude.
> > > ...You should hear Pink Floyd's new live Wall set on this baby! < < <
S U R E... Make me jealous. :-{)
Enjoy(ing) the music (Pink Floyd Japanese vinyl of the "The Wall" right now),
Steven R. Rochlin
"...and the worms ate into his brain...
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...YOU! Yes YOU!
Stand still laddie!!!!...
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...i have become comfortably numb..."
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