PDP-8/A transformer hum

Christian Corti cc at informatik.uni-stuttgart.de
Tue Jun 9 07:41:24 CDT 2020


On Tue, 9 Jun 2020, Marco Rauhut wrote:
> i have restored last year a PDP-8/a to and had the same experience like 
> you with the Powersuppy. I felt also wiered about the bang in the 
> transformer in the moment of switching it on.

Does it have a ferroresonant power supply? Then the hum and bang is normal 
;-)

Christian


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