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Old 27th September 2007, 04:00 AM   #1
eeyore is offline eeyore  Australia
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Join Date: Aug 2005
Default DRD Power Supply

Trying to spec out a PSU for Electra-Print's DRD 45. Just wondering, if the PI filter, and a SS diode rectification, what would be a better PI filter, given they are both using a 20H choke.

1. 100uF + 100uF Oil Film Caps (ASC)


2. 500uF + 1000uF Electrolytic (Panasonics)

Which would have better bass response? Damping? Sound better?

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Old 27th September 2007, 11:07 AM   #2
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Hard to say. Therefore I would say try them both...see which one you prefer...and tell us.

Generally speaking though..the ASC's should sound better. Because I find lytics...give the sound a slight edginess. On the other hand some panasonics are quite good. And might make the amp a little quieter.

Have a read in this paper...which I translated from DHTROB's website. My translation is not all that good...but you'll catch the drift.

Not a peer reviewed textbook...but I think nevertheless an interesting hands on guide based on experience of an experienced SET amp builder.

If you can see the speaker cone move...it's not hifi.
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