Advice with germanium transistors

[Doug Shields]

Hello all,
      I have done a lot of design with transistors and integrated circuits
but not with germanium parts.  I just got a "working" Heathkit IP-27 power
supply and found two of the three germanium power transistors are shorted
(collector to emitter.)    Replacement germanium parts are available but
VERY expensive.  I have thought about replacing them with modern silicon
power transistors.  What should I watch for in the conversion?  Any help
from the real semiconductor gurus out there?  Thanks very much.

Doug  W4DAS

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