tubes 4 hifi
 "the path of least resistance is through a vacuum"

HOME Dynaco mods Service & Mods Downloads

Vacuum Tube Audio SP8 - 2020 build

these photos document a recent build of an SP8 preamp



front view

rear view

PCB layout diagram

PCB 1/2 stuffed

R23-C12 connection

R23-C12 connection

PCB stuffed

bottom of PCB finished

inside view

volume and selector front interior
before PCB input cables connected to volume outputs

rear panel RCA jacks
phono input grounds are separate from line buss ground



inside view of front panel

inside view of rear panel

transformer connections to PCB

alternate chassis from an SP10

return to VTA home page

send us email at: info@tubes4hifi.com

 tubes 4 hifi
 "the path of least resistance is through a vacuum"