Marantz CD63 & CD67 mods list - Page 1511 - diyAudio
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Old 7th November 2010, 03:11 PM   #15101
RCruz is offline RCruz  Switzerland
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You seem to very focused so I believe sooner or latter you will have your CDP completely fullon
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Old 7th November 2010, 03:53 PM   #15102
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Focused? Obsessed is the better word. Having begun this, I want to see just where and how far it goes. Anyway I've invested too much to turn back now.
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Old 7th November 2010, 05:06 PM   #15103
RCruz is offline RCruz  Switzerland
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That seems to be the generic problem with diy.
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Old 9th November 2010, 12:20 PM   #15104
UV101 is offline UV101  England
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Quote:
Originally Posted by shepperd View Post
Obsessed
mmmm heard that before
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Old 9th November 2010, 01:13 PM   #15105
Thomo is offline Thomo  United Kingdom
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Quote:
Originally Posted by UV101 View Post
mmmm heard that before
lol, yep.

Just a thought, but has anyone re-clocked the bitclock (bck) directly on these players?

Works wonders on TDA1541 players I've tried it on.

Lee.
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Old 9th November 2010, 05:51 PM   #15106
6h5c is offline 6h5c  Netherlands
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No, I never tried it. I'm about to do it on a 1541 DAC though. It uses the clock from the Crystal receiver now. I'll use a Flea and a 4040 to create the needed frequencies. I'm very curious what the impact will be

Ray
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Old 9th November 2010, 05:56 PM   #15107
Thomo is offline Thomo  United Kingdom
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It's always been very good when I've done it, especially if you're bypassing the digital filter.

Lee.
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Old 9th November 2010, 06:57 PM   #15108
6h5c is offline 6h5c  Netherlands
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I'm going to leave the 7220 in place for now, I don't want to take too many steps at once. I've read that the filter can bring good things, IF the supply-decoupling is o.k. So i'll have to experiment with that later. It's placed in a socket for now, so bypassing it is very simple.

It's not difficult to do some reclocking with the 63/67 DAC, I wonder if it would be equally beneficial with a delta-sigma DAC.

Ray
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Last edited by 6h5c; 9th November 2010 at 06:59 PM.
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Old 10th November 2010, 09:13 AM   #15109
Thomo is offline Thomo  United Kingdom
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Hi Ray, definitely leave the 7220 in. I never liked the NOS sound personally. I just meant bypassing by not running the bck from the 7220.

It'll be interesting to try on a cd63/7, I reckon it'll be less of an improvement but should still be a good tweak.

Lee.
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Old 10th November 2010, 04:08 PM   #15110
6h5c is offline 6h5c  Netherlands
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Oh, of course... I have to look into that then, because the 1541 get's the bit and wordclock from the 7220 now. Probably a matter of cutting a trace or two...

Ray
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