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Yes, I know this transport is older than dirt, but mine is still spinning like a top and still sounds better in my system than many newer transports I've tried. The problem is I went to a new DAC that doesn't have ST glass as an input. I think only Wadia and Bel Canto have this input option nowadays. Too bad; IMO ST glass was and still is the best means of sending data to a DAC.Anyway, that means I have to use the RCA, XLR, or Toslink option out of my transport. I'm going to guess Toslink will not be the best one, but does anyone firsthand experience on which of the remaining outputs was best on this oldie but goodie?
Edits: 05/17/12Follow Ups:
"IMO ST glass was and still is the best means of sending data to a DAC."
Not my experience.
On my Proceed two box player the coax connection sounded better than the ST connection. My dealer reached the same conclusion. The difference was so great that I didn't even bother to repair the fiber connector in my DAC when I broke it during a bad day of experimentation. This happened a long time ago in the early 1990's and it marked the end of my belief that "bits are just bits".
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
Which model was this, Tony? I tried all three into my DAC a while ago and ST was the best one, IMO. But with different combinations of transport and DAC I suspect the results could be different. What did you think of the XLR (if it was tried)?
The ST-glass option was imported to audio gear from the telecommunications industry. The transmitter chips that were used in early audio gear tended to overdrive the receiver chips because they were supposed to be pushing the signal over a long length of fiber (we're talking miles and miles). Audio gear is usually separated by a few feet of cable at most.
Wadia used to have a white paper on this subject on their website. I don't know if it's still there. They did make the point that the chips used in their ST-glass implementation were designed for short lengths of fiber.
Sonic Frontiers and Assemblage (from The Parts Connection, an off-shoot of SF) also used ST-glass as did Krell.
"Which model was this, Tony?
PDT 3 plus PDP 3. I tried the ST (fiber) and the RCA (coax).
If you have lots of RF interference then perhaps the fiber would be better. Back in the early 90's that was not such a problem as it is today, so perhaps my conclusions would be different today.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
Would happen to recall if the PDT3 XLR out is a true balanced output, or is it really a single ended output stage simply juggled at the very end to support the XLR connector?
.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
I used the XLR without problem, although I can't say that it was clearly better than the RCA, my DAC had XLR inputs and I like the security of the connectors with XLR's. Both were 75 ohm cables. FWIW.
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