FX75-B Stereo Flanger

All three cosmetic variants of the FX75-B, from late 1987 (left), 1992, and 1995

The DOD FX75-B Stereo Flanger was introduced in mid-1987, replacing the FX75 in DOD's FX-series lineup. With the addition of a Delay control, DOD at last had a flanger that could compete with the venerable (and great-sounding) Boss BF-2, and the FX75-B was produced for the next ten years. Like the FX70 and FX75, the FX75-B is an analog flanger, using a MN3007 BBD chip. Also like DOD's previous FX-series flangers, the FX75-B produces a rather musical-sounding tremolo effect with all knobs turned up all the way (as opposed to the obnoxious oscillation common in other contemporary flangers, including those by Arion, Yamaha, and the Boss BF-2). The FX75-B was manufactured until about mid-1997, when it was briefly replaced by the final-series FX747 Supersonic Stereo Flange (which in turn was replaced by the FX75C in late 1998-early 1999).

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