User manual Electro Harmonix Stereo Polyphase (English - 4 pages)
Electro-Harmonix Polyphase | Reverb
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
NPD EHX Stereo Polyphase : r/guitarpedals
US 24V Power Adaptor for the Electro-Harmonix Stereo Polyphase Effects pedal by myVolts