Stereo Polychorus: Analog Chorus/Flanger/Slapback Echo. The final word in analog chorus pedals. The classic that Kurt Cobain and Adrian Belew relied on to create their signature sounds. The Stereo Polychorus provides the lushest stereo chorus, rich chiming flange, and the over-the-edge effects that made this versatile pedal legendary.The item "Electro-Harmonix EHX Stereo PolyChorus Guitar Effects Pedal" is in sale since Monday, January 23, 2017. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Parts & Accessories\Effects Pedals\Multi-Effects". The seller is "msm_dj" and is located in New Westminister, BC. This item can be shipped worldwide.