Soundcraftsmen SP4000 Preamplifier - *RESTORED*
Soundcraftsmen SP4000 pre-amplifier
Serviced:
-lubed all pots and switches
-remelted solder on all switch pins
-replaced all op-amps with new Texas Instruments upgrades.
-replaced all electrolytic capacitors with top quality Nichicon audio caps (low noise in phono sections)
-repainted panel
-cleaned and waxed face-plate and side boards
-tested for distortion and played
Soundcraftsmen SP4000 pre-amplifier
Serviced:
-lubed all pots and switches
-remelted solder on all switch pins
-replaced all op-amps with new Texas Instruments upgrades.
-replaced all electrolytic capacitors with top quality Nichicon audio caps (low noise in phono sections)
-repainted panel
-cleaned and waxed face-plate and side boards
-tested for distortion and played
Soundcraftsmen SP4000 pre-amplifier
Serviced:
-lubed all pots and switches
-remelted solder on all switch pins
-replaced all op-amps with new Texas Instruments upgrades.
-replaced all electrolytic capacitors with top quality Nichicon audio caps (low noise in phono sections)
-repainted panel
-cleaned and waxed face-plate and side boards
-tested for distortion and played