Marantz CD63 & CD67 mods list - Page 853 - diyAudio
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Old 5th December 2007, 09:55 AM   #8521
Thomo is offline Thomo  United Kingdom
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Default Re: marantz mod

Quote:
Originally posted by quan
Hi Lee
i ' ve tried building the Raygulators by following the pictures from Ray website. I would like to know how to built the Super-raygulators . I love to be able to afford those Invisus regs!!!

http://www.diyaudio.com/forums/showt...30#post1347230

The only way I find to learn, is to get a bit of strip board and play about until you get it. Just re-create the diagram until it works. When testing hook up the supply, and earth connections and just read output with a multimeter.

As for the Invisus, I wouldn't bother, they're overpriced, overrated and pants.

Lee.
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Old 5th December 2007, 10:40 AM   #8522
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Default Re: Re: marantz mod

Quote:
Originally posted by Thomo


As for the Invisus, I wouldn't bother, they're overpriced, overrated and pants.

Lee.
The Invisus is a very good reg but unfortunately the price lets it down thus being pants LOL

Brent
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Old 5th December 2007, 09:44 PM   #8523
SimontY is offline SimontY  United Kingdom
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Default Re: Re: Re: marantz mod

Quote:
Originally posted by rowemeister


The Invisus is a very good reg but unfortunately the price lets it down thus being pants LOL

Brent
It's also big so doesn't seem suited to mounting close to the circuit it's feeding, especially if using several (as we know we should).

From my experience thus far, I'd recommend putting any nice regulators on the DAC analogue stage, and on any precision/add-on clock circuits. These applications bring more musically uncompromised improvements than on the op-amps or discrete output stage, where the sound can also change character.

Simon
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Old 6th December 2007, 01:34 PM   #8524
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I was wondering if anyone would mind having a look at my latest venture and adding any comments if at all possible

PSU

cheers in advance

Brent
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Old 6th December 2007, 05:39 PM   #8525
6h5c is offline 6h5c  Netherlands
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Hey Brent,

Cool PSU! Nice job. I like the toroidal transformer . Are the jumpers for voltage selection? What are the output current specs?

Cheers,

Ray
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Old 6th December 2007, 05:55 PM   #8526
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Hi Ray

Thanks

Yes they are to select the V output 3.3V 5V 9V and 12V. The released ones wont have the jumper on board just the holes to link a wire. I expect the 12V option to be the most popular.

The current obviously depends on the voltage selected due to the head voltage drop (If someone wanted it for 5V only I can fit a lower volt tx). I have had both psu running at 12V and @ 800mA and it warmed the heatsink nicely with no overheating what so ever. The PSU2 can handle larger currents due to the larger VA.
The output on a lvery arge heatsink can run @ 4-5 amps but of course a much larger tx would be required.

I have designed the psu to run clocks such as the power hungry Audiocom clock3 and clock4.

Brent
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Old 6th December 2007, 06:06 PM   #8527
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Further to my earlier post, I have rehoused my CD63 in a wooden case (thread following upon completion) with a DIY NOS DAC.
I have taken the spdif signal direct from the board (having removed the PCB mounted socket. I have taken the positive signal from the rear peg (fitted by myself) and the return from the front one. I have not used the other rear connection, which appears to be designed to be grounded to the chassis, but I have attached a lead to it if needed.

I cannot get a lock on my DAC (which works from an alternative spdif signal). Can someone start me off on my debugging route please?

TIA.

Michael
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Old 6th December 2007, 06:07 PM   #8528
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and the socket for reference.
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Old 6th December 2007, 09:58 PM   #8529
RCruz is offline RCruz  Switzerland
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Quote:
Originally posted by rowemeister
I was wondering if anyone would mind having a look at my latest venture and adding any comments if at all possible

PSU
Hi Brent

Nice work....!!!!

Ricardo
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Old 8th December 2007, 08:08 AM   #8530
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Default Is it worth...

Is it worth havin some money in SCal Regs on new separates 5V rails if I still uses the Raygulators to feed the LM4562/BG team?
I can: just split rails and feed the analog section of the DAC with OEM Tx with a Rayg,
have a SCal Reg on this,
Have a separate Tx and a Rayg,
Separate TX and SCal reg...
The aim is not to go too far in a part if the state of the other parts won't show the benefit of the top part (I think It's not so clear...).

Thanks guys!
Matthieu

Also a questiona bout SCal Regs here for those who had some help there:
http://www.diyaudio.com/forums/showt...00#post1369900
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