
Anthony Easton
The Calvin Compressor by Westminster Effects features an OTA-based, transparent circuit, making it suitable for electric, bass, and acoustic guitars. It offers tweakability with five knobs and a voicing switch to attenuate treble frequencies. The pedal also includes a soft-touch relay bypass.
Technical Specifications:
- Power Requirements: 9V DC center negative, 47mA
- Measurements: 4.4" x 2.3" x 1"
- Weight: Approximately 0.31 kg (0.68 lbs)
- Handmade in South Carolina, USA
- Battery operation is not supported
- Power plug: 2.1 mm x 5.5 mm, (-) inner polarity
The Calvin Compressor is designed to enhance tone and provide precise control over compression, making it a versatile tool for musicians seeking to refine their sound.
Watch the latest video demos and reviews for the Calvin 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 Westminster Effects Calvin 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.

Brand New
$186.29

Brand New
$149.99

Brand New
$149.99

Brand New
$149

Brand New
$120

Discover pedals with similar features or sounds to the Calvin Compressor. This section leverages data to suggest alternatives that complement or expand your pedalboard. Ideal for exploring related sounds or finding a pedal that matches your specific needs.

Wampler
Mini Ego Compressor

Analog Man
CompROSSor

Aphex
Punch Factory

Budda
Chakra Compressor

JHS
The Whitey Tighty

One Control
Lemon Yellow Compressor

MXR
CSP202 Custom Comp

Free The Tone
Silky Comp

DOD
FX80B Compressor Sustainer

Bearfoot FX
Pale Green Compressor

Carl Martin
Compressor/Limiter Pedal

BBE
OptiComp Compressor Guitar Effects Pedal

Crazy Tube Circuits
Stardust Blackface

BMF
Effects Little Red

Aguilar
TLC Compressor

Guyatone
PS-003
Check out the latest news and articles from around the pedal world.

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