Soviet Б5-7 bench power supply teardown

It survived deades of use in the DDR but not a fewdays of transport with GLS company...
Schematic and speces here:
rcl-radio.ru/?p=495
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[@bblod4896]

Beautiful machine. R12 looked burned. Happy New Year to you and your family.

[@pifflebunk]

I do enjoy seeing nicely laced looms of wire. Shame it's not common anymore.

[@miniwattnetwork8204]

I like it too.... perhaps too expensive to do it nowadays... I think Hi-Spec gears (aero/military/health) still have some

[@ggrisha87]

20:06 - those resistor are made with super-thin wire inside that capsule. When I was a child, I tried to use that wire as a battery igniter for somne pyro devices :)

[@mz4637]

whoa

[@iceberg789]

only if it had current control also.

[@gordonwelcher9598]

Maybe it does not require such a heavy duty switch. It looks like a bunch of thin wires connected to a voltage divider. Check the schematic. Try to see if it is a make before break type.

[@rayaninc.electronicindustr1402]

خیلی قشنگ است