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Old 25th September 2021, 04:32 AM   #11
Andersonix is offline Andersonix  Sweden
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Location: Marin County, California
PSU for ACA
ACA will run on ~15V to ~30v, so no need to look for exactly 24.00V.

What's C9 and R8 for?
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Old 25th September 2021, 10:00 AM   #12
Rudi_Ratlos is online now Rudi_Ratlos  Germany
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Ian, did you ever read Rod Elliotts article concerning a "CapMultiplier - PSU" as the ACA's PSU?
Capacitance Multiplier Power Supply Filter

I did! And I have built one, connected it to my ACA and have been absolutely astonished about
how much superior the sound has been compared to a wall-market PSU, to a SMPS, the forum's
proposal, ...

It is your decision, it is your ears - Rudi

P.S.: Find attached a PCB look-through of the CAPMx PSU that I am using to power my ACA!
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File Type: jpg CAPMx.jpg (106.6 KB, 66 views)
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Old 30th September 2021, 12:44 PM   #13
lt_texan is offline lt_texan  United States
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Quote:
Originally Posted by Rudi_Ratlos View Post
Ian, did you ever read Rod Elliotts article concerning a "CapMultiplier - PSU" as the ACA's PSU?
Wow. Thanks. I'd never heard of a capacitance multiplier!

This might also be a good experiment for my valve phono stage.

Dan
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