
Anthony Easton
The Opto-Compressor by Carl Martin is a 100% analog old-school compressor designed to provide classic guitar sounds. It features four controls: Gain, which controls the 'pre-glow' of the optical circuit; Level, which controls the overall volume of the compressor; Compression, which controls the intensity of the compression; and Attack, which adjusts the signal from transparent to total squeeze. The pedal comes in a solid diecast housing with chicken-head knobs, CM color and graphics, and a 9V battery compartment. It is recommended to use a regulated power supply or batteries.
Technical Specifications:
- Manufacturer: Carl Martin
- Series: Vintage Series
- Made In: China
- FX Type: Compressor
- Jacks mounted on: Top
- Bypass: Buffered Bypass
- Battery: Yes
- Voltage: 9
- Polarity: Center Negative
- Circuit: Analog
- Tube equipped: No
- Color: Blue
- Weight: 0.35 kg
- Width: 9.5 cm
- Height: 5.6 cm
- Depth: 12 cm
- GTIN 14: 00852940000554
The Opto-Compressor has received positive reviews for its studio-quality compression, clarity of sound, and versatile sound shaping capabilities. It is praised for its ability to deliver everything from subtle squash to brick-wall limiting.
Watch the latest video demos and reviews for the Opto-Compressor from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Carl Martin Opto-Compressor from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Very Good
$119.42

Very Good
$90.44

Brand New
$99

Brand New
$170.82

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Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton