• If you have bought, sold or gained information from our Classifieds, please donate to Group DIY and give back.

    You can become a Supporting Member which comes with a decal or just click here to donate.

For Sale Power supply for testing tube preamps

GroupDIY Audio Forum

Help Support GroupDIY Audio Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

NovaPA

Well-known member
Joined
Apr 21, 2013
Messages
88
Location
Klaipeda, Lithuania
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 supIMG_9561.JPGIMG_9565.JPGply is professionally handmade, but inside there are factory-made PCBs! Not breadboard or AliExpress.
 
Back
Top