HV+LV Power Supply Unit PCB for RIAA & Microphone Tube Preamps

<ul> <li>Low noise</li> <li>Low hum</li> <li>High long term stability</li> <li>Easy to build</li> <li>Tested with well known tube preamps (etc. G9)</li> <li>Three outputs - HV up to +250V DC &amp; 2 X LV up to +35V DC</li> </ul> More: <a href="https://www.diyhifiaudio.com">https://www.diyhifiaudio.com</a> &nbsp; Description, detailed schematics, components list (Farnell order, Excel/csv file, ready to import) are available by request &nbsp;