Quote:
Originally Posted by lakesailor
The Levinson 43X series amps were all based on the Proceed HPA 2/3/5 series amps. When Madrigal shut down the Proceed HT division the HPA series of amps all underwent very minor revisions and became the Levinson 43X series. These amps had very tight operating tolerances and generally require servicing from a knowledgeable tech on a somewhat regular basis. They are excellent amps and are very dynamic. If you do buy the 433 and run into an issue I have the HPA schematics that I could send to you. From my experience this series of amps has no cap problems.
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Hi, I've got an HPA 2 and it started going into protected mode. I have narrowed it down to the #2 amp board. Do you still have the schematics to the HPA? If so, could you share them with me? Thanks, Jim