Nelson Pass said:2604's
Those were used in the 38S version. I believe 380 version is using different chips (you can find OPA627 in ML32), although also from BB.
They use AD823 for I/V conversion (after the volume DAC) and discreet output buffers (MAT02EH and MAT03EH)
That said, OPA2604 sounds pretty good in that preamp.
Peter Daniel said:Here you are (380S):
http://www.andiy.com/sch/38s.jpg
I think the URL is wrong or blocked. You get an HTTP 404 error.
Greg Erskine said:hi carlmart,
The link is an "old" link posted on 07-07-2004
Gee: didn't have a look at the date.
Any idea where that circuit might be at now?
Carlos
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