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Old 18th April 2004, 08:34 PM   #11
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I don't like parallel chips.

And most people who tried S2 from Elib, where selling their S1's.

To me, S2 sounds much better than either regular version or S1.
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Old 18th April 2004, 08:35 PM   #12
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Quote:
IMHO parallel chips can be dangerous.
At last you see it ! It is also difficult enough to design a good DAC layout with only one chip.

S2 really is worth the money.Very smooth highs and big difference compared with S1. Much bigger difference as between S1 and normal A version.

I wonder how they will behave on your analyzer ....
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Old 18th April 2004, 08:45 PM   #13
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About the S2...

Jean Paul, you told that the S2 were produced later (97 I think), but did also other chips be produced (S1, regular, R1) at the same time, or did philips manage to produce 100% S2 chips? (or 3rd solution, they destroyed all those that didn't qualify as S2)
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Old 18th April 2004, 08:49 PM   #14
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I don't know that but I have never seen either normal A, A/S1 or A/R1 with 1997 datestamps ( Bernhards S1 are stamped 1996, first time I see such recent S1 as well ). I learnt that S2 were specially produced in Taiwan for Marantz CD 7. I was told that production quality was very high so the theory that most were qualified as S2 may hold. Earlier S2 were certainly not made in Taiwan ( BTW they were awfully expensive at that time too ).

Mostly speculation really as all this is from audio-magazines and hearsay, I've not seen this info written in official Philips documentation. S2 seems a bit obscure in that aspect. Fact is that they do sound the best and that Zanden bought the last batches of them. I don't know how they measure, I've only recently tried one of the S2 I bought. The S2 Elib offers are genuine, I don't trust the large amount of "real" S1 offered on the web.
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Old 18th April 2004, 09:07 PM   #15
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Default Marantz CD-7

.
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Old 18th April 2004, 09:10 PM   #16
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Default Re: Marantz CD-7

Peter, do you have a bigger pic ?
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Old 18th April 2004, 09:10 PM   #17
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Of course I do
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Old 18th April 2004, 09:15 PM   #18
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Heres the input logic. It looks like I2S signal is divided into R and L data (from the digital filter) and two TDA1541 chips are used in balanced mode, one per channel.
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Old 18th April 2004, 09:17 PM   #19
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Here's the left channel
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Old 18th April 2004, 09:19 PM   #20
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And here's the right channel
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