FX35 Octoplus

FX35 Octoplus, from 1986

The DOD FX35 Octoplus debuted in mid-1986. Its original circuit appears to be at least loosely based on the original Boss OC-2 Octaver schematic, with a flip-flop IC as an octave divider and four op amps in addition to the components used for the clickless FET footswitch. Unlike the Boss OC-2, the FX35 features a Tone control (boosts bass or treble of the octave signal only), and only one suboctave note is created. Like all octave dividers, the FX35 cannot track chords very well (although root-fifth power chords can sound okay, at least until one note starts to warble out), but tracking can be enhanced by using your neck pickup and/or adding a boost or compression pedal before the FX35. The FX35 was discontinued by late 1994.

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