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Old 6th August 2010, 10:17 AM   #11
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Where did you get the schematic, it cannot be an original Pass design.
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Old 6th August 2010, 07:28 PM   #12
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The schematic is from the Pass Labs X600 and X1000 amplifiers
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Old 7th August 2010, 11:45 AM   #13
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The only way I can see it working would be reversing BR4 and disconnecting both BRs from the ground, and taking ground solely from the tied center taps. You eliminate a diode junction from the circuit, doubling the thermal capacity of the bridges. You can do the same thing using just 2 diodes for each trafo but the bridges give you a nice package to bolt to the chassis for cooling.

NP has warned in the past about using the service manuals for construction.
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