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Boss RT-2 Rotary Ensemble
| Product # | 253541 |
| Brand | Boss |
| Category | Rotary Pedals | Brand Category | Boss - Rotary Pedals |
| Release date | July 2025 |
| Availability |  In stock |
| Shop | Availability |
|---|---|
| Giebenach BL |
In stock |
Description
Rotary Magic
Initially developed for organs in the 1940s, rotary speakers produce mesmerizing modulation effects with motor-controlled components that physically spin within the cabinet at variable speeds. This impressive sound is a vital part of the classic combo organ voice, and guitarists and other musicians have also employed rotary speakers to infuse iconic tracks with their distinctively rich depth and movement.
Authentic Performance
The most revered rotary speaker designs feature a spinning high-frequency horn (treble rotor) and a woofer that feeds into a rotating drum (bass rotor). Changing rotor speeds between fast and slow creates a steady stream of tonal shifts that players have long used for expressive effects. The RT-2 authentically replicates these audio behaviors, coupled with two-way speed control, a Rise/Fall Time switch for adjusting the transition time between speeds, and a colorful indicator that shows the current rotation of the virtual rotors.
Three Versatile Tones
Use the RT-2’s three-position Mode switch to call up the classic rotary speaker voice and two modern variations developed with custom BOSS tuning. Mode I—A faithful reproduction of the most famous vintage rotary speaker design, realized with the latest BOSS modeling technology. This mode adds traditional rotary color to any instrument, from guitar and bass to organs, electric pianos, synthesizers, and more. Mode II—The vintage rotary sound, enhanced with a wider tonal range. This mode provides increased spatial performance when paired with overdrive and distortion pedals. Mode III—Provides enhanced definition with intense modulation and drive settings, adding power and presence to arpeggio playing and solos.
Vintage Saturation and Tonal Balance
Inspired by the tube amplification circuits in vintage rotary speakers, the RT-2’s Drive knob lets you add pleasing distortion to the sound, from mild to gritty. Via a rear-panel switch, this dual-function control can alternately adjust the volume balance between the treble and bass rotors to dial in different tonal characteristics. Your most recent settings for drive and balance are automatically stored in memory and instantly recalled on the next power-up cycle.
Deep Expressive Control
Real-time speed control is essential to the rotary experience, and the RT-2 includes many options to achieve it. The pedal switch offers four operation types with many clever ways to bypass the effect and change speeds as you play. You can also connect up to two external footswitches for independent speed control and access to a “brake” setting that stops the virtual rotors at their current positions for unique tones. Alternately, an expression pedal unlocks continuous control of level, drive, balance, and speed, complete with assignable settings for each parameter.
Designed for guitar use, the RT-2 delivers rich, immersive sounds with pulsing, swirling, and chorus-like textures that add even more depth to your playing. In addition to the classic rotary speaker sound, the pedal features three individual rotation modes, adjustable preamp drive, and control of the balance between the horn and bass rotors for dynamic, three-dimensional modulation effects.
Classic rotary speaker and preamp sounds,
including optimized variations for a denser spatial sound and an extended drive range.
Advanced sound processing with new, dual-axis knobs for controlling rotor speed, preamp drive, speed parameters (slow/fast), and horn/bass rotor balance.
The pedal switch allows for seamless transitions between slow and fast rotor movement, accurately reproducing tonal nuances during the transition.
Virtual rotor display visually displays the movement of the horn and bass rotors for instant feedback.
Mode I: Authentic vintage rotary speaker and preamp sounds, recreated using cutting-edge BOSS modeling technology.
Extended tonal range provides a more natural sound—perfect for drive pedals and more.
Mode III: Increased modulation and drive range; creates a fuller sound with increased presence in the mix.
Drive/Balance switch on the rear panel for adjusting the balance between the treble and bass rotors, similar to a high-pass/low-pass filter.
Rise/Fall Time switch for adjusting the transition speed (slow/fast).
Multifunctional pedal switch for controlling the speed (slow/fast) and effect (on/off).
Additional Speed input enables separate slow/fast control via an external footswitch.
Unlock Brake function simulates the natural, inertial deceleration of rotary speakers.
Expression pedal input enables real-time control of assigned parameters.
Attributes
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Properties
- Three versatile modes include a vintage rotary sound and two modified tones with enhanced spatial effects
- Virtual rotor display with lights that indicate treble and bass rotor speeds
- Fast/slow rotor speed control
- Drive knob to add vintage tube saturation
- Rise/Fall Time switch adjusts the transition time between rotor speeds
- Drive/Balance switch assigns the Drive knob to control the saturation amount or the volume balance between the treble and bass rotors
- Four selectable pedal switch modes for bypassing the effect and controlling the rotor speed in various ways while performing
- Support for advanced control with external footswitches or an expression pedal (speed, brake, and other functions)
- Mono/stereo input and output
- Two stereo output modes: standard stereo (default) or individual wet and dry outputs
- BOSS five-year warranty
- Weight: 0.450kg
- Height: 129mm
- Width: 73mm
- Depth: 59mm
Specifications
- AD Conversion: 24 bits + AF method
- DA Conversion: 32 bits
- Nominal Input Level: INPUT A (MONO), INPUT B: -20 dBu
- Maximum Input Level: INPUT A (MONO), INPUT B: +7 dBu
- Input Impedance: INPUT A (MONO), INPUT B: 1 MΩ
- Nominal Output Level: OUTPUT A (MONO), OUTPUT B: -20 dBu
- Maximum Output Level: OUTPUT A (MONO), OUTPUT B: +7 dBu
- Output Impedance: OUTPUT A (MONO), OUTPUT B: 1 kΩ
- Recommended Load Impedance: OUTPUT A (MONO), OUTPUT B: 10 kΩ or greater
- Bypass: Buffered bypass
- Controls: SLOW knob, FAST knob, DRIVE knob, LEVEL knob, MODE switch, Pedal switch, RISE/FALL TIME switch, DRIVE KNOB switch
- Indicator: CHECK indicator (Used for indication of Tempo and check battery), VIRTUAL ROTOR
- Connectors, INPUT A (MONO) jack, INPUT B jack, OUTPUT A (MONO) jack, OUTPUT B jack: 1/4-inch phone type: CTL/EXP jack: 1/4-inch TRS phone type, DC IN jack
- Power Supply: Alkaline battery (9 V, 6LR61 or 6LF22, commercially available), AC adaptor (PSA series: sold separately)
- Current Draw: 115 mA
- Expected battery life under continuous use: Alkaline: Approx. 2.5 hours, *These figures will vary depending on the actual conditions of use.
- Accessories: Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information"), Dry battery (9 V, 6LR61 or 6LF22)
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Boss RT-2 Rotary Ensemble
#253541
