[AMPS] B&W PT2500

[brad roope]

Hello:

A friend of mine has one of the first manufactured PT2500 Amplifiers
manufactured by B&W. He would like to know if there were any major changes
made in the power supply. He is not sure of what the Load /No Load Plate
voltage should be. The manual said 3800 Volts, but this was lined out and
it said 3450V Exactly what his meter reads. The actual voltage measured
with a high voltage and a Fluke meter lower.  

I would like to know what the typical power output  and plate voltage
should be for these amplifiers, and if anyone knows if the earlier designs
produced less power output.

brad





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