Stereo Polyphase

Analog Optical Envelope/LFO Phase Shifter
Experience cascading sweeps and gorgeous, panoramic imaging through stereo outputs. Generate seductive stereo phase shifting at its finest. User-defined start and stop ranges allow you to sculpt phase shifting to fit your performance needs. Optical circuitry provides a wide dynamic range making the Polyphase ideal for hot output instruments, including keyboards. Generate stereo liquid phasing at its finest.

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From the Blog
Posted 6/25/2014


Presenting "Education on Modulation Part 3" by JJ Tanis. Here the guitarist/educator describes and demonstrates phase shifting. JJ also put together individual videos on the Stereo Polyphase and the Nano Small Stone.

Check out JJ's YouTube channel:
youtube.com/janjaaptanis







Posted 12/16/2011



Linkin Park’s, Mike Shinoda, takes us into the studio to share an inside look at some of his favorite EHX gear.

And congratulations to the band! They just received a Union Nations Global Leadership Award for their work supporting humanitarian causes. 

For more on Mike and Linkin Park, click here http://www.linkinpark.com/main

For more on the band’s latest humanitarian initiative, click here http://www.powertheworld.org/

Posted 10/14/2011



Pomplamoose, the talented duo of Jack Conte and Nataly Dawn, have created another awesome VideoSong. This one with the foreboding title “Bust Your Kneecaps.” Among the EHX gear used are a Stereo Polyphase and a Deluxe Memory Man

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Posted 10/29/2010

Posted 9/28/2010

Posted 5/27/2010

Posted 3/14/2010

In Effectology 14, pedal guru Bill Ruppert takes us on a journey to previously unchartered sonic territory. Using only Electro-Harmonix pedals and his guitar, Bill creates a series of “believe it or not” soundscapes. Whether it’s the sound of songbirds singing joyfully by a babbling brook or a vintage vinyl “lo-fi” recording complete with clicks and scratches, Bill’s mastery of effects will amaze you. As he says, “Never judge what an effect pedal will do by what you have heard it will do. Experiment and you will find new sounds not yet discovered!” Indeed!

Please note: Bill will be in the EHX Forums to discuss his sounds, settings, and process. We hope you join us there.

Previous episodes:

Stay tuned, more Effectology episodes coming soon!

Posted 2/25/2010

Sonic master Bill Ruppert reproduces the legendary Pink Floyd synth textures from “Welcome To The Machine .” Using only his guitar and the perfect blend of EH pedals, Bill re-creates the amazing sound-scapes that made this recording special. Each EH pedal provides its own magic to reveal the complexity and textures of the EMS VC3 synthesizer with stunning accuracy.

Please note: Bill will be in the EHX Forums to discuss his sounds, settings, and process. We hope you join us there.

Previous episodes:

Stay tuned, more Effectology episodes coming soon!

Posted 10/7/2009

Posted 9/21/2008

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Quick Specs
True bypass
Optional expression pedal
Stereo outputs
Feedback resonance control switch
Selectable LFO, envelope follower
Tough and compact die-cast chassis
24DC-100 power supply included
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