Marantz CD63 & CD67 mods list - Page 943 - diyAudio
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Old 19th March 2008, 10:30 AM   #9421
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by poynton
Silver corrodes, gold does not.

It's also easier to solder to the gold surface.

Andy
I'm not saying you don't have a point, Andy, but this wire is said to have a teflon dielectric too. That would prevent air from reaching the silver.

I'm happy with pure copper and polyethylene or enamel dielectric myself. Cheap and rosy sound.
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Old 19th March 2008, 10:48 AM   #9422
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Quote:
Originally posted by rowemeister
A good reg is required on the dac analogue to release much more.

Brent
No separate reg on DAC analogue, still on the stock 7805

I know, I know!!!!! Only just realised that RD01, RD04 don't touch the analogue side, Brent gave me the ref last week!!

Quote:
Originally posted by rowemeister
Jim

What black gates do you have on the opamps?

Brent

470u/16v BG STD on the opamps.

Jim
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Old 19th March 2008, 10:50 AM   #9423
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Thats what I use with no problems. Are you using LM4562?

Brent
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Old 19th March 2008, 10:54 AM   #9424
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Quote:
Originally posted by SimontY


A choke on the amp??? Get rid my friend, get rid!!

Simon

Yeah, Simon, I've been meaning to get round to it but only just realised how much of an effect it's had since I did the other mods recently and the choke's been in the amp for a while.

While I'm in there taking the choke out I'm going to fit my Alps Blue 50k and put a pair of BG AC's in the input in place of 220u/16v FK's a la Brent.

Lee reckons stick em on DAC digital CD05 , CD06, but I've just put 470u/16v BG STD's there which are still settling in.

Any thoughts?

Jim
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Old 19th March 2008, 10:55 AM   #9425
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Quote:
Originally posted by rowemeister
Thats what I use with no problems. Are you using LM4562?

Brent

Yep.

Well, LME4972 or whatever, the equivalent as I understand it.

JIm

edit:

Still haven't done the regs yet on the opamps to 15v or the additional local decoupling.!
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Old 19th March 2008, 11:00 AM   #9426
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Quote:
Originally posted by SimontY


Why would they gold-plate silver?


Simon

I originally asked for solid silver but the guy at Audiocom said they'd had problems with it being brittle, so upgraded me to the gold plated FOC.

Jim
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Old 19th March 2008, 11:01 AM   #9427
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If you have black gates dont put any smaller caps across them, this has an adverse effect.

Also the resistors that feed the opamps - short them out. Yo can do this by cutting the resistors and bending the legs over and solder without removing the pcb.

FK on dac would be superb, I would be tempted to put them on the dac ana though.

Brent
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Old 19th March 2008, 11:03 AM   #9428
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Quote:
Originally posted by rowemeister
Hi Jim

On opamp outputs I run the wire from U217/U216 direct to the RCA socket, only adding a cap if required.

I prefer to use a coax for the rf signal. Maybe a nice interconnect could be used here. I may be trying the AGSS down the centre of some coax in this position to see if I can tweak a little more detail out of it.
Brent

Brent

I was thinking of using this dodge with the gold on silver in the various locations, also in the amp signal path if I ever get round to it!!

Jim
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Old 19th March 2008, 11:03 AM   #9429
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by jimh0612
While I'm in there taking the choke out I'm going to fit my Alps Blue 50k and put a pair of BG AC's in the input in place of 220u/16v FK's a la Brent.

Lee reckons stick em on DAC digital CD05 , CD06, but I've just put 470u/16v BG STD's there which are still settling in.

Any thoughts?

Jim
I'm very happy with the Alps Blue and BG AC I use in my preamp, I think you'll like these parts!

I've not used any FK (yet - lol) but Lee has, so go with his advice!

Simon
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Old 19th March 2008, 11:06 AM   #9430
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by jimh0612
I originally asked for solid silver but the guy at Audiocom said they'd had problems with it being brittle, so upgraded me to the gold plated FOC.
lol, you should get solid silver and cryo treat it!

Seriously tho, I love my treated interconnect
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