Tech 21 Roto Choir Guitar Effects Pedal

Tech 21 Roto Choir Guitar Effects Pedal

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Tech 21 Roto Choir Guitar Effects Pedal

Rotary Speakers - the Easy Way

Wouldn't it be great if you could conjure up the celestial sounds of a vintage rotary speaker cabinet by simply plugging your guitar into a pedal and going direct? Well, now you can - with the Tech 21 Roto Choir Rotary Speaker Emulation Pedal.

Roto Choir re-creates both the rotary lower speaker and the treble rotor horn to achieve that complex, multi-dimensional tone you know and love. What's more, Roto Choir delivers the entire signal chain, from the original tube power amp to the speaker and high-frequency rotor horn, as well as the microphone used to capture it. How does it pull that off? Well, Tech 21 has been at this awhile; there's some slick technology under the hood.

Roto Choir's simple controls offer you a wealth of sonic options. The Fast/Slow footswitch allows you to ramp up, slow down, or even stop the rotary speaker. Drive adds just the right amount of compression, harmonics and grit. Low and High sculpt the tube amp emulation with powerful EQ. You can also control the top speed of your rotor. To vary the intensity of the effect, you simply adjust the Position control to move the Roto Choir's virtual mic relative to the horns. Other features include a bi-amped/single-speaker mode switch, stereo output and a speaker-simulation switch for direct recording. So, if it's classic rotary-speaker sounds you're after, plug into Roto Choir and see how easy it is to get those lush, swirling tones.


  • Realistic rotary speaker emulation
  • Interactive controls provide a broad range of tweakability
  • High-impedance 1/4" input
  • Low-impedance 1/4" stereo output drives long cables without loss of signal integrity
  • Custom, silent-switching actuator
  • Buffered bypass preserves sonic integrity and eliminates clicks and pops
  • Power: 9V alkaline battery (not included) or optional DC power supply


Pedal Type Rotary Speaker
Inputs 1 x Instrument
Outputs 1 x 1/4" Stereo
Power Supply Included No
Batteries 9V
Height 1.5"
Width 3.5"
Depth 4.5"
Weight 11 oz.

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