DOD FX62 Bass Stereo Chorus
All three cosmetic variants of the FX62, from (left to right) 1987, 1989, and 1996
The DOD FX62 Bass Stereo Chorus was derived from the FX65 Stereo Chorus, but voiced for bass guitar with a longer delay time. Like the FX65, the FX62 is an analog chorus, using a MN3007 BBD chip. The FX62 debuted in 1987 and remained in production until it was replaced by the FX63 in 1996.
- Controls: Speed, Delay Time, Depth
- From the manual (1987, shared with the FX60 and FX65): "The ... FX62 chorus unit [is a] variable delay unit that gives the impression that more than one instrument is playing. It does this by delaying the sound of the instrument a small amount (4-6 milliseconds) and continuously varying the amount of delay ... [which] changes the pitch of the delayed signal. The delayed, slightly pitch shifted signal is mixed with the original signal and results in the chorus effect. ... The FX62 Bass Stereo Chorus is a three-control knob chorus effect, optimized for the bass guitar, and offering adjustment of the sweep SPEED, the DELAY TIME, and the sweep DEPTH."
- Technical info:
- Specifications (1987): Input impedance = 500 k Ohms, Output impedance = 1 k Ohms; Delay Time = 10-16 ms; Sweep Speed = 0.8-8 Hz; Bandwidth = 40 Hz-16 kHz
- Notable IC chips: MN3007 BBD chip driven by a MN3101 clock generator/driver CMOS chip; plus three op amps (TL022, TL062, 1458-type, or 358-type)
- Internal trim pots: one; however, we do not recommend messing with trim pots
- Component-side circuitboard image: November 1987
- Related circuits: FX60
FX65 - FX heritage: FX62 FX63
- External Links:
- FX62 Bass Stereo Chorus on Effects Database
- FX62 Bass Stereo Chorus on Vintage Harmony-Central Forums
- FX62 Bass Stereo Chorus on Noise Guide
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