The StewMac EC Expander is designed to expand the tonal range of electric guitars. It is based on the EC Expander circuit originally developed for Eric Clapton. The pedal adds active equalization that enhances clarity and frequency response when engaged. It is designed to work with standard passive pickups without modifying the instrument. The effect can be switched on and off like a conventional stompbox. The pedal is intended for live performance and studio use.
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