Orpheus Lab "Three S" (ThreeS) equipped with LM4766T and Voltage Power Regulators
 

Who can post the schematic from the voltage regulaturs of this amp?

here several links from
Orpheus Three (serial-No 3036S) Anagram Power Loop + 2x LM4766T/each Channel
http://www.orpheuslab.com/products/classic_three_s.html
http://www.orpheuslab.com/_downloads...ree/manual.pdf
Orpheus Three S Power Amplifier (stereo)
SoundStage! Equipment Review - Orpheus Laboratories Three S Stereo Amplifier (9/2003)

ANAGRAM Technologies reduces holdings in Orpheus Laboratories
Anagram Technologies
overtaken from
ABC PCB
http://www.diyaudio.com/forums/solid...ml#post2991265

Now I have this model for checking.
Unwanted effect is sporadically occurring shot noise/crackling noise at left channel while the first 10 until 15 minutes after switch on.

Is this issue good known?

Any news concerning a schematic?

schematic still wanted