Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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the best place is the a.c. card with the ferrite filters

Posted by tonemaniac (A) on June 6, 2004 at 12:41:27

In Reply to: Bybees in SCD-1 CD Player: Bob Crump, others please advise? posted by Robert in Alaska on June 5, 2004 at 13:10:48:

There is exactly enough room to place 4 small bybees when the ferrites are taken out. This is a small glass-eopxy board right above the IEC a.c. receptacle on the back of the SCD-1. Richard Kern advises taking out the ferrites, Steve Huntly told him that his experience was that the ferrites roughed up the sound.

This board will have an incoming master fuse. Pull it out, clean it to mirror brightness, place a couple of marigo dots on either end of the fuse, contact enhance and replace.

The a.c. will split into the digital transformer and the analog transformer supplies. Insert one bybee on each leg for the transformer primaries, one on the hot and one on the neutral for both x-formers. Put a few of the larger marigo black dots on the a.c. board to damp out any extra vibrations.

The bybees will go in exactly where the old ferrites were, so you will have to desolder them with a hot iron and some solder wick (the flat copper fiber wick that draws away the solder melt), bend the bybee tails so they fit into the holes and resolder.

There's also a green ground wire, and it looks like there's enough room to put a bybee on the ground. I've heard great things about a bybee's ground, but have not tried it on my SCD-1. I have tried it on my Cello pre-amp though and can say that a quantity of "unharmonic fog" lifts away when you do.

I listen mostly for truth in tone, hence my handle on this board, and at lower volumes. There may be some dynamic softening from this treatement but I haven't noticed it. I have heard dynamic flattening when I've used bybees on the analog signal, however the sound is more fluid and musical, so there is a tradeoff in the analog domain, which isn't a major loss, has to do with what you focus on.

Experience with bybee modded transports suggests that Bybee is most effective in digital power supplies where the current demand is fairly constant. You won't have much room to work with the secondaries in the SCD-1, though.

personally, I'd sent the whole thing to Richard Kern and get as much of his mod package as you can afford, especially the Superclock II that's mandatory for the SCD-1 to sound like a champ. With the older clocks, including the Superclock 1, it was rather vague by comparison.

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