Marantz CD63 & CD67 mods list - Page 593 - diyAudio
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Old 13th March 2007, 12:46 PM   #5921
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by Thomo
Good idea! I am thinking of building a p2p version and would welcome a chance to discuss how to make it sound good.

Lee.
Hi Lee,

I'll start a thread to discuss it later, as I can add photos from home. I too will be making a p2p version so I can get rid of extraneous parts and put psu caps in the correct places etc. I think LM4562 is worthy of nice treatment.

Looks like with a CD63ki, chip preamp and LM3886 power amp our systems are similar! At least until speakers.

Simon
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Old 13th March 2007, 02:16 PM   #5922
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Simon,

looking forward to the thread.

Just built the voltage divider, it works like it should although maxium volume is a bit limited now.

I might have to reconsider choice for the 24 steps attenuator because of the limited working range
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Old 13th March 2007, 02:21 PM   #5923
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Change the values of the divider circuit

I would set it so maximum volume (distortion) arrives just before the vol knob is fully open

Brent
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Old 13th March 2007, 02:23 PM   #5924
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I'm afraid that if I do so the lowest volume will be too loud, because that is perfect now...
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Old 13th March 2007, 02:25 PM   #5925
SimontY is offline SimontY  United Kingdom
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Sounds like that attenuator is a real pain in the bum!
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Old 13th March 2007, 02:31 PM   #5926
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My system improved dramatically after removing the Rotel Rc1090 pre amp and replacing it with this attenuator...

I'll buy some resistors to experiment with other values, hoping that this will give the results I want.... otherwise we'll see what to do..

right know i'm going to study for my exam and in between I'll do some reading in this tread
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Old 13th March 2007, 02:45 PM   #5927
SimontY is offline SimontY  United Kingdom
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I prefer mine with the preamp overall, but the preamp has to be good of course!!

Revise well
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Old 13th March 2007, 11:04 PM   #5928
Glenn2 is offline Glenn2  United Kingdom
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Quote:
Originally posted by SimontY
I prefer mine with the preamp overall, but the preamp has to be good of course!!

Revise well

If I'd paid a grand for one I'd hope it wasn't too shabby!
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Old 14th March 2007, 07:53 AM   #5929
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nice pre Glenn. Modded it yet

Oh BTW thanks for your advice re cd6000 laser, found a local supplier selling them and I changed it. Annoys me my last cd player (cd67)I had done by agents cost me NZ$220.00 and the part for cd6000 cost 60 bucks plus an hour labour.
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Old 14th March 2007, 08:15 AM   #5930
Glenn2 is offline Glenn2  United Kingdom
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Quote:
Originally posted by Luke
nice pre Glenn. Modded it yet

Oh BTW thanks for your advice re cd6000 laser, found a local supplier selling them and I changed it. Annoys me my last cd player (cd67)I had done by agents cost me NZ$220.00 and the part for cd6000 cost 60 bucks plus an hour labour.

No, that's Paulus1981's pre not mine.
I'm using a common-or-garden PM-66KI.

Well done on the laser. The nice thing is you've got fresh motors as well.
NZ$60 sounds about right as they are twenty quid here in Blighty.

Get yourself a spare if you have the cash!
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