Date Region Description Price Seller
EUElectro Harmonix Frequency Analyzer Ring Modulator EH-5000.Original case...$337.18
USAElectro Harmonix Frequency Analyzer from the Early 1970s. EHX Rams Head ...$425.00
USACool vintage pedal sounds great and in very great shape ![Electro-Harm...$200.00
USAEHX Frequency Analyzer EH-5000With Power supplyWorks as it should ![Ele...$199.00
USAFrequency Analyzer Model Ring Modulator Effect, made by Electro-Harmonix...$495.00
USAThis is one of the coolest effects of all time and one of the rarest and...$475.00
EUElectro-Harmonix Frequency Analyzer Ring Modulator, boxed - includes EU ...$290.19
USAPedal works great. I’ve owned it for a few years now, just don’t get to ...$200.00
EUElectro Harmonix Frequency Analyzer Ram’s Head Ring mod pedal for sale!I...$500.48