Sony PS1 as CD player - if so good, why not use it's DAC for everything? - AVS Forum
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post #1 of 3 Old 07-31-2013, 07:50 PM - Thread Starter
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I'm sure other people here remember the articles a few years back circulating about the Sony playstation 1 first models being an audiophile's dream CD player...

Because digital is digital, I have to assume the one only exclusive reason for this would have been the digital to analog conversion circuitry.

So my question is simple, if this is so mindblowingly great, wouldn't it be possible to modify or separate that part of the circuitry and use it on all channels? Like for a 7.1 Bluray feed, running to four modified PS1 DAC boards, to get that same quality...


Alternately i'm wondering if the circuitry could simply be replicated, I mean a cheap game console beating multi thousand dollar CD players sounds like an electronics project worth undertaking...


I ask the question in part because I probably have a cubic meter worth of old often half working (broken cd drives or bad boot bios, but the DAC shouldnt be affected) playstation 1 consoles in the basement and am wondering if I can do anything useful with them. smile.gif

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EDIT: The modification to tap into the DAC should not be obscenely hard, it's already been done by Veejays on the Atari Jaguar CD player so that "any music" can be fed through the system, to use the Virtual Light Machine visualizer on whatever they are mixing and playing...

On which subject I wouldn't mind using the PS1 as a similar dedicated retro visualizer either. (the later models which had SoundScape or whatever it was called built in, even though the DAC's arent as high of quality)
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post #2 of 3 Old 08-01-2013, 06:46 AM
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Quote:
Originally Posted by homeomnimax View Post

I'm sure other people here remember the articles a few years back circulating about the Sony playstation 1 first models being an audiophile's dream CD player...

Because digital is digital, I have to assume the one only exclusive reason for this would have been the digital to analog conversion circuitry.

So my question is simple, if this is so mindblowingly great, wouldn't it be possible to modify or separate that part of the circuitry and use it on all channels? Like for a 7.1 Bluray feed, running to four modified PS1 DAC boards, to get that same quality...


Alternately i'm wondering if the circuitry could simply be replicated, I mean a cheap game console beating multi thousand dollar CD players sounds like an electronics project worth undertaking...


I ask the question in part because I probably have a cubic meter worth of old often half working (broken cd drives or bad boot bios, but the DAC shouldnt be affected) playstation 1 consoles in the basement and am wondering if I can do anything useful with them. smile.gif

--
EDIT: The modification to tap into the DAC should not be obscenely hard, it's already been done by Veejays on the Atari Jaguar CD player so that "any music" can be fed through the system, to use the Virtual Light Machine visualizer on whatever they are mixing and playing...

On which subject I wouldn't mind using the PS1 as a similar dedicated retro visualizer either. (the later models which had SoundScape or whatever it was called built in, even though the DAC's arent as high of quality)

Most modern AVRs have a good DAC already sitting inside them. That is the most practical place to position the one DAC in a system based on just one DAC. Got one?
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post #3 of 3 Old 08-03-2013, 10:34 AM
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That legend about the PS1 DAC is just that... a legend. The first PS1 (SCPH-1001, not all of them) had a dedicated DAC (AK4309) that would be classified as "barely decent" today with THD+N=-84dB and SNR=-90dB. The rest of PS1&2 are using a crappy DAC inside a multi-function chip.

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