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MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Electro-Harmonix Micro Q-Tron Effects Pedal - US Plug : Amazon.ca: Musical Instruments, Stage & Studio
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Electro-Harmonix Q-Tron Plus Envelope Filter with Effects Loop (EHX Pedal Demo by Dave Weiner) - YouTube
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Amazon.com: HQRP 24V AC Adapter Compatible with Electro-Harmonix Q-tron Plus Q-tron+, Classic Microsynth, Stereo Polychorus, Stereo Polyphase, The Worm Power Supply Cord Adaptor EHX, UL Listed : Electronics
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