AFD Preamp SOLD
CDN$289 or US$235. This circuit has been many years in the making. Gain Treble Bass Mid Level. 1 input 1 output. Plug into a clean amp, a loop return, or even a big SS power amp. This one more for home use as the tubes are exposed. 2 x 12AX7 + cathode follower (IRF820 source follower). Proper high voltages, propert tonestack.