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Finally, an affordable CD Transport: the Shigaclone story
Finally, an affordable CD Transport: the Shigaclone story
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Old 30th March 2009, 06:25 PM   #3241
leoparleur is offline leoparleur  Canada
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First Peter,

thanks for your input, it's very welcomed.

Quote:
Originally posted by Peter Daniel
My current recommendation is to build the transport according to info posted here: http://www.diyaudio.com/forums/showt...53#post1669753

That is quite a nice unit Peter, your professionalism shows from inside out. All details are taken into account. I like to work that way also. Except this time, I'm not equipped with milling tools. While I'm still catching up in this thread (P.42), I'm taking notes during that time about how you guys built yours. I will certainly have exotic wood, Plexi and aluminum extrusion. The extrusion will probably be filled with lead since I cannot afford brass or copper.

After getting familiar with a sound, you may consider further upgrades, but most likely you won't need them.

That's what I though from my readings, many people have pushed it to their limit that I wouldn't even dare on a circuit board. Regarding the cap upgrades, again (maybe) to cut down cost, I was asking myself if I could rather use panasonic caps. What do some of you think about it?

The transformer you mention should work fine.

Since I'm more than curious and want to make shure I understand, the theoretical specs of my transformer mention 10-0-10V, what happens since CT has 0, the Shigaclone requires 12-24-12V? From your hand drawn circuit you seem to have used the CT to ground.

For the PS, what fuse size and type should I use?

As to NEC CDR-602, it has a good reputation although I never had a chance to try it out, but my feeling is that properly implemented Shigaclone is completely different ball game
I'm very curious to hear both of them when I'm done, I'd be more curious to hear yours now!!! ;0)

Thanks!
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Old 30th March 2009, 06:26 PM   #3242
leoparleur is offline leoparleur  Canada
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Oops! read into the previous quote for questions. I'm not used to writing in this thread yet.

Sorry!
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Old 30th March 2009, 06:38 PM   #3243
m.massimo is offline m.massimo  Italy
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Quote:
Originally posted by brgds This will be never ending story unless you take a closer look at the boombox schema and LC/LA data sheets and try to understand what's it all about...
You're right
Quote:
Originally posted by brgds
and wasting time on completely hopeless efforts, the only thing I can say is: I feel sorry...
Sorry for what? Listening to music is not wasting time, it's a pleasure. Tinkering with this stuff is a way to listen more and a game for who is tired of commercial products. I understand that it could seem foolish for a tech insider.
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Old 30th March 2009, 07:07 PM   #3244
Peter Daniel is offline Peter Daniel  Canada
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Finally, an affordable CD Transport: the Shigaclone story Send a message via AIM to Peter Daniel
Quote:
Originally posted by leoparleur
why is there twice the same PS caps in picture #2350, your hand drawn schematic post #6 refer to 2 different values?
Some of the BG types are harder to source now; 2 x BG STD 1000/25 will still work equally well.
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Old 30th March 2009, 07:19 PM   #3245
woodturner-fran is offline woodturner-fran  Ireland
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Thought I post a few pics of a puck I made for a friend of mine. Its made from teh same ceramic type material his plinth is made from. I don't know what this material is, but its like a cermic dust in a hard resin. It cuts well on a wet tile saw, you can drill it quite easily with a masonry bit, and it taps a thread beautifully.

Anyway, the curious thing is that it sounds better on his than mine, where the ebony sounds better! Its kinda unbelieveable stuff.

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Fran
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Old 30th March 2009, 09:18 PM   #3246
Erik van Voorst is offline Erik van Voorst  Netherlands
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I would say that if they are electronically identical and tested in the same set-up...the suspension may be the reason.....

The resonances differ...and you are playing/testing with that by means of the puckmaterial......until you get it right...

I noticed over the months what different materials and there particular resonance can do with digital.........I know hard to grasp so I do not even bother.... I simply let my ears be the judge of that and learn from it....

See e.g. in the beginning of the thread what different impact screwing the platform down has... by means of 2...or 4 screws.....later on confirmed by quite a few forummembers...
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Old 30th March 2009, 09:54 PM   #3247
BMW850 is offline BMW850  Netherlands
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Hallo Erik,

This will be my new frond plate 5mm aluminum this looks better than before
I am waiting now for the 4 RVS knobs and then I paint the front black.

Rudy
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Old 30th March 2009, 09:58 PM   #3248
BMW850 is offline BMW850  Netherlands
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Here a picture inside the shigaclone
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Old 30th March 2009, 10:00 PM   #3249
BMW850 is offline BMW850  Netherlands
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And the Power Supply, the big transformer 500VA 2x12volt is for the DDDAC.
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Old 30th March 2009, 10:12 PM   #3250
woodturner-fran is offline woodturner-fran  Ireland
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Lovely work!



Fran
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