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"Vintage Oberheim Four Voice ( FVS-1 ) for SaleUsed in very good condition, fully functional, well taken care of.
Purchased in/around 1987 from Rogue Music in NYC.
Comes with a power cord.
There is a small blemish on a keyboard that has been repaired.
SEM-1 #4 has a newer rev circuit board. #1 - #3 are identical.
Updates that have been made:
Keyboard Bushings have been replaced with replacement parts from vintagevibe.com
Two power supply filter capacitors on power regulator board have been replaced.
Two external inputs for each SEMs have been wired to 3.5mm jack at back of the unit.
Updates done for all four SEMs:
Carbon track circuit board of VCO Frequency potentiometers have been replaced with board from CTS Electronic 450 series potentiometer.
VCO 1 & 2 INIT FREQ and HI-FREQ TRACK trims have been replaced with multi-turn trims.
Two power supply filter capacitors have been replaced.
0.001uF film capacitor in VCO circuits have been replaced with polystyrene film capacitors.
There are initials of previous owner engraved on SEM #4."
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