Ortofon KS-601

pics without the black perforated top / side cover and diecast backpiece

problem : general distortion in both channels, balance pot wierdness, overheated psu cap, possible resistors out of spec, need a fix for them silly 4-pole DIN loudspeaker terminals

fix :

Ortofon KS-601 pdf

Ortofon KS-601 schematic

Fisher X-100

pics without wooden enclosure

problem : shit ass psu cap mod, missing 110VAC outlets, needs general checkup

fix :

Fisher X-100 schematic 1

Fisher X-100 schematic 2

Echolette M70

problem : way too high B+

fix :

Echolette M70 pdf

Echolette M70 schematic 1

Echolette M70 schematic 2

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