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The Boss CH-1 extends its chorus sound into the high frequency area. The CE-x pedals doesn’t do this and some people find the CH-1 is best for solo playing while they use the CE pedals for chords.
The EQ knob is really a tone control that enables you to choose whether the CH-1 should sound more like a conventional chorus or have the edgy chorus that only the CH-1 can produce.
Together with the CE-5, the CH-1 underwent significant design changes October 2001. The CH-1s made after this time uses digital circuitry and surface mounted components while the older version uses an analog MN3007 BBD.
The easiest way to determine which version you have is to use the serial number. If the second letter/first number combination is earlier than P1, you have the analog type. This also mean that all digital CH-1s will have a dark gray label.
- Controls: E.Level, EQ, Rate, Depth
- Connectors: Input, Outputs (A, B), AC Adaptor
- Current Draw: 15 mA (DC 9V)
- Weight: 400 g (15 oz.)
- Recommended AC Adaptor: PSA Series
- Chus Effects Pedal f Guitar Keyboard with Stereo Outputs
- Depth Controls
- Effect Level
- Blue – Made In Taiwan
- Pink – Made In Taiwan
- Dark Gray – Made In Taiwan
The CH-1 was sold from May 1989 to present.
Last update on 2023-01-26 / Affiliate links / Images from Amazon Product Advertising API