API 512c with 918 mod?

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Songguy

Well-known member
Joined
Feb 2, 2011
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205
Location
Long Island, New York
Hi all,

I have a few API 512c's in my lunchbox. I was wondering if it would be possible to swap out the 2520 opamp with a whistle rock 918 opamp. I'm curious to see how it sound against my 512c 2520's

Cheers,
Chris
 

Songguy

Well-known member
Joined
Feb 2, 2011
Messages
205
Location
Long Island, New York
I believe a few (3) resistor values need to be increased for +-24v . As per whistle rock's build manual.

Almost sounds like I know what I'm talkin about :) thanks DIY board..

 

pucho812

Well-known member
Joined
Oct 4, 2004
Messages
12,281
Location
third stone from the sun
Songguy said:
I believe a few (3) resistor values need to be increased for +-24v . As per whistle rock's build manual.

Almost sounds like I know what I'm talkin about :) thanks DIY board..

correct. I have a few running at +/-24V in a custom mixer and they sound good.  I have yet to put in use my +/-16V ones I built. all in time.
 

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