Roto Choir

The Tech 21 Roto Choir is a rotary speaker emulator pedal that accurately reproduces the sound of a vintage rotating speaker cabinet. It incorporates specifically formulated SansAmp technology to deliver the entire signal chain, from the original tube power amp to the low-frequency speaker and high- frequency horn, to the microphone used to capture it. This studio-quiet, roadworthy pedal can be used with guitar, keyboards, synths, and vocals, and for direct recording.

Key Features and Specifications:
- Effect Type: Rotary
- Technology: Analog
- Mono / Stereo: Mono In, Stereo Out
- Controls: Level, High, Low, Drive, Position, Top Speed
- Modes: 2 Modes
- Switches: Speaker Sim, Biamped
- Bypass Mode: Buffered Bypass
- Power Supply: 9 VDC, Center negative
- Power Consumption: 100 mA
- Battery powered: Battery Powered (9 V Block)
- Housing size: Medium Size
- Country of Origin: USA

The Roto Choir offers an array of intuitive controls, including a Fast/Slow footswitch for ramping up, slowing down, or stopping the rotating speaker, a dedicated Top Speed control to set the rotor speed, and a Position control to adjust the virtual mic closer to or further from the horns. Additionally, it features a Drive control to adjust the amount of compression, harmonics, and grit, active dual-band EQ, and Level control.

Other notable features include a Biamped switch for changing to single speaker mode, a Speaker Sim switch for direct recording, stereo output, buffered bypass, and a silent-switching custom footswitch actuator. The pedal is operable with a 9V battery (not included) or an optional DC power supply.

The Roto Choir is designed to accommodate instrument level signals and can be used in various applications, including in-line with an amp, for direct recording into a mixer or computer, and with keyboards and vocals. It is important to note that the pedal should not be run directly into the input of an amp's speaker output.

The Roto Choir is manufactured in the USA and is designed to provide a wide range of celestial sounds, making it a versatile tool for stimulating creativity and providing inspiration for musicians.