BOSS
CH-1
A compact pedal for dialing in transparent chorus intuitively. Alongside RATE and DEPTH, it carries EQ and E.LEVEL knobs that adjust the tone and volume of the effect sound. You can control the amount and sparkle of the chorus while keeping the direct sound intact, shaping tones that stay distinct in an ensemble. Its two output jacks also enable a stereo effect through spatial blending.
Chorus pedal built for transparency that never gets buried in the ensemble
A compact pedal aimed at intuitive control of beautiful, transparent chorus. By shaping the amount and texture of the effect while preserving the direct sound, it keeps its outline even within a band.
Intuitive four-knob operation
RATE and DEPTH set the speed and depth of the modulation, and E.LEVEL sets the effect volume. Keep it low for a natural shimmer or raise it for deep chorus, choosing the result through simple controls.
EQ acting on the effect sound only
The EQ knob works as a low-pass filter cutting frequencies above its set point, affecting only the effect sound. Rolled back, it gives a warm effect with restrained modulation; turned clockwise, the chorus becomes sparkling.
Stereo output blended in the air
The two output jacks use the same spatial blending method as the Roland JC-120 Jazz Chorus. With the direct sound from one side and the effect sound from the other, two amps create an enveloping stereo image.
- Clear chorus that preserves the direct sound
- Modulation control via RATE/DEPTH
- EQ knob acting only on the effect sound
- Stereo output jacks using spatial blending
Specifications
| Manufacturer | BOSSOpens in a new tab |
|---|---|
| Product | CH-1Opens in a new tab |
| Type | Compact pedal |
| Functions | Chorus |
| Release year | 1989 |
| Power | 9V alkaline battery / AC adapter (sold separately) |
| Current draw | 55mA |
| Dimensions | W73 × H59 × D129 mm |
| Bypass | Buffered bypass |
| Status | Available |
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