Date Region Description Price Seller
USA1980s Electro-Harmonix Bassballs bass envelope filter. Excellent cosmet...$80.00
USAVintage Electro-Harmonix Bass Balls Envelope Filter / Distortion in Orig...$400.00
USAThis is an Electro-Harmonix EHX Nano Bassballs Twin Dynamic Envelop...$90.00
USAFUNKY ENVELOPE MIXED WITH KILLER DISTORTION!!! Black Russian Bassballs!!...$161.00
USAWorks great. Has been modded so the internal filters can be adjusted ext...$110.00
UKUsed in Studio, never gigged. Very good condition. ![Electro-Harmonix ...$169.92
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