Mapletree Audio Design
Phono 5 Preamp Kit Assembly
Assembled by Steve Geiger
This a pictorial of my assembly of the
M.A.D.
phono stage preamplifier kit. It has a remote power supply with rectified DC on the heaters for low noise. The tubes used are 2-12SC7, 2-12FS5GT and 2-12SN7GT all N.O.S.