Re: Replacement power transistors hfe.
At a guess, in a power supply of that vintage and with a TO-3 output device, a Darlington arrangement is likely, but not certain.
Some supplies were well-designed, others were bodge-ups. We have to see the circuit to tell.
David
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Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
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