Mercury switches

Main switches in an old Luxor magnetofon.

Mercury switches

Seen in the schematic

Mercury Switches

/Krister

Yamaha CH-01 Chorus repair

A chorus from the -80:s, the Yamaha CH-01. Based on the MN3009 256 stage BBD chip and the MN3101 clock generator.

Yamaha CH-01 repair
Yamaha CH-01 Chorus

Had the circuit recaped and trimmers adjusted for bias, clock speed and depth.

Yamaha CH-01 repair
Yamaha CH-01 Chorus circuit board

And here we have a chorus once again delivering.

Yamaha CH-01 repair
Yamaha CH-01 Chorus

/Krister

fOXX Tone Machine

How about a clone of a fOXX Tone Machine. First prototype from zeta-sound, including germanium diodes, stompswitch for octave and bypass, DC-Jack and battery space. Hosted in a 1590B type of enclosure.

fOXX Tone Machine
fOXX Tone Machine guts

/Krister

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