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Krell preamps voltage regulators - Click HERE for Original Thread
kamis
I wish to know more about older Krell preamps power supply and voltage regulators topologies, for models like PAM-3 and KSP7b.
kamis
It seems that Krell preamps circuits are the best kept audio secret.
cpcc
I had hoped to see more info too. Maybe we are looking in the wrong place? I have a KSP-7B with no power supply. Any idea where I might find the voltages, currents and pin assignments on the preamp power connector? Anyone?
Thanks
Chris
Tarasque
I saw a KSP-7B from the inside. If I'm not mistaken the power supply outputs + and - 21V from the power supply at the output.

I'm going to replace the caps in my KSP-7B soon and can see if I can get an idea of the schematics of the power supply.

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