NovaPA
Well-known member
The power supply that I used as a laboratory power supply to test tube preamps! Just 25EUR + shipping
Output:
for filament - 7V > 1A, there is a milliammeter
To the anode - 40V >100mA, stabilized
The power sup
ply is professionally handmade, but inside there are factory-made PCBs! Not breadboard or AliExpress.
Output:
for filament - 7V > 1A, there is a milliammeter
To the anode - 40V >100mA, stabilized
The power sup
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