Date Region Description Price Seller
USAOne of the coolest envelopes out there. So good on a variety of sources....$109.00
USA1980s Electro-Harmonix Bassballs bass envelope filter. Excellent cosmet...$80.00
USAThe Bassballs pedal is a twin dynamic envelope follower, primarily for b...$90.00
USAworks as it should. missing screw for battery compartment. comes with or...$75.00
USAVintage Electro-Harmonix Bass Balls Envelope Filter / Distortion in Orig...$400.00
USAExcellent condition. Limited quantities produced in the 90’s by Sovtek i...$650.00
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