Orpheus Lab "Three S" (ThreeS) equipped with LM4766T and Voltage Power Regulators - diyAudio
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Old 19th April 2012, 12:38 AM   #1
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Default 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
Anagram Power Loop Module - Simplified Schematic resp. Theory of Operation wanted

Last edited by tiefbassuebertr; 19th April 2012 at 12:41 AM.
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Old 5th December 2012, 08:21 AM   #2
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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?
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Old 7th January 2013, 05:31 PM   #3
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schematic still wanted
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