audio with realistic timbre


Preamplifier with DHT R101
April 23rd, 2017 12:05
Put together this preamp with Tribute iron, an AZ1 rectifier and directly heated triodes type R101. High voltage is stabilised using VR-tubes and filament heating using Coleman regulated supplies. Had to make a dug-out and spring suspension for the R101 to keep hum and microphonics out..
R101 preamplifier
R101 preamplifier