Pedals and effects

Keeley Rotary - Chorus

Keeley Rotary delivers an authentic, tweakable rotary speaker emulation with extensive sound-shaping options and robust build.

★★★★★ 5/5 · 2 buyer reviews · 6 min read · updated 2026-10-07 · Tested by Cal Whitaker

Keeley Rotary - Chorus Test: A Deep Dive into Rotary Speaker Simulation

The Keeley Rotary - Chorus is engineered as a compact pedal that aims to deliver convincingly rich rotary speaker effects for guitarists and keyboardists. With an emphasis on flexibility and tonal authenticity, Keeley incorporates features that matter most to players seeking the lush textures of legendary revolving speaker cabinets, all in a regular-sized enclosure ready for pedalboards.

Build Quality and Format

The Keeley Rotary - Chorus comes in an aluminum housing with dimensions of 124.5 by 99 by 66 millimeters and weighs approximately 450 grams. The pedal feels solid and substantial, with firm footswitches and smooth control pots, an unmistakable sense of reliability. It takes up similar space as most dual-footswitch pedals and fits cleanly alongside typical effects without crowding your board. Power comes from a standard 2.1 by 5.5 millimeter barrel connector (center negative) and accepts a wide 9V to 18V range (power supply not included), giving flexibility for different pedalboard setups.

Interface and Controls

  • Blend: Set the ratio of wet (effected) to dry signal, essential for those who want subtle depth or full immersion in rotary tones. This control is crucial for matching specific artists' sounds that used a mixed rotary and dry cabinet configuration.
  • Drive: Adds a natural, overdriven edge, ideal for emulating the saturated movement associated with classic rotary speakers.
  • Speed: Governs effect rotation rate, with a wide adjustable range between 0.6 and 6.6 Hertz for everything from slow chorusing to rapid, animated modulation.
  • EQ Curve Selector: Three distinct equalizer curves shape the overall voice, allowing you to match the pedal's tone to your instrument or amp.
  • Mid Boost Toggle: Engages a presence lift for added cut and focus, helpful for solos or dense band contexts.
  • Two Footswitches: The Soft Stomp operates ON/OFF and toggles between slow and fast rotary speeds, supporting expressive ramping between modes.
  • Status LED: Indicates pedal status and can pulse in time with the rotary modulation for clear visual feedback.
  • Bypass Mode: Switch between traditional true bypass for no tonal coloration or buffered bypass to support complex rigs and long cable runs.

Sound and Performance

Keeley's circuit is tuned to capture the swirling textures and warmth that defined old-school rotary speaker cabinets, reminiscent of legendary organ and guitar tones. Rotational movement is convincingly three-dimensional, with the pedal handling subtle chorus shimmer at low speeds and full-throttle, almost horn-like modulation at the fastest settings. The ability to fine-tune the slow speed anywhere from 0.6 Hertz up to 6.6 Hertz means you're not locked into just two presets, this invites exploration beyond fixed rotary "slow/fast" effects found on simpler pedals.

The blend control stands out as a critical feature, letting you achieve anything from a light rotary flavor beneath your direct sound to a total transformation. For players chasing specific tones (David Gilmour's blend of rotary and straight amps, for example), this function is indispensable but often absent in competing models.

Drive and the mid boost toggle switch bring in the subtle grit and focus needed for vintage organ covers or bold guitar leads. While many rotary pedals can push into harsh territory when pushed, Keeley's voicing remains musical and avoids unpleasant fizz, user feedback notes the absence of unwanted background noise, even at higher gain settings.

In a stereo setup, which the pedal natively supports via its two quarter-inch mono jack inputs and outputs, the width and motion of the effect becomes even more enveloping, making this a strong option for studio and live stereo rigs. While not every player will run true stereo, it's good to know the pedal is ready as your setup evolves.

Real-World Impressions

  • Players with experience using physical rotary speaker cabinets consistently highlight the Keeley Rotary - Chorus for its realism, specifically praising the depth of its modulation and the musicality of its overdrive function.
  • Reliability and build are recognized as key advantages, with the pedal's construction living up to the demands of regular gigging.
  • Comparison with other industry offerings (such as the BOSS RT2) note Keeley's superior tweakability, particularly the practical blend and mid-focused controls absent in some big-name alternatives.
  • The price point sits at the premium end, but feedback suggests that this is justified by the pedal's versatility, intuitive layout and authentic sonic delivery.

Verdict

The Keeley Rotary - Chorus is a meticulously crafted pedal built for players who demand more from their rotary simulation. Its combination of nuanced speed control, blend, drive, mid-boost, and multiple EQ curves packs pro-level flexibility into a manageable format. For fans of rotary speaker effects, whether seeking subtle chorus movement or full-scale Leslie emulation, this pedal delivers on expectations and stands out among current options thanks to its authentic sound and user-focused interface. If rotary inspiration is central to your sound, the Keeley Rotary is a convincing, gig-ready addition that warrants the investment.

Keeley Rotary - Chorus, front view
8.8/ 10 overall score
$349current price at the retailer
Check today's price price and delivery time at the retailer

Shipping and duties

The retailer ships from its warehouse in Germany. Prices are shown in US dollars and do not include import duties. Orders under roughly $800 usually clear US customs without duty; above that, a duty of a few percent may be collected on delivery. 30-day money-back and a 3-year warranty apply.

Scores by area

Where it shines, where it stumbles

What convinced me

  • Authentic reproduction of vintage rotating speaker sounds
  • Highly flexible with three EQ curves and adjustable blend
  • True stereo operation with separate inputs and outputs
  • Soft Stomp footswitches allow real-time speed control
  • Solid aluminum housing and robust construction

What bugged me

  • Power supply not included
  • Premium price may not fit all budgets
  • No flanger or phaser options for further modulation

Is it the right one for you?

Good pick if

Ideal for guitarists and keyboard players who demand authentic rotating speaker sounds in a compact format, as well as effects enthusiasts seeking deep tweakability. Also suited for studio use or live performers who require silent, high-fidelity operation and strong stereo capabilities.

Look elsewhere if

Not recommended for those strictly on a tight budget or looking for a simple modulation effect without rotary characteristics. Also not for players seeking a pedal that combines rotary with non-related effects like flanger or phaser.
Classic rockBluesPsychedelicProgressiveJazz

Suggested level: Intermediate

Keeley Rotary - Chorus, $349Check today's price →

Specifications

Chorus
Yes
Flanger
No
Phaser
No

What other players say

Customer feedback consistently highlights the realistic and satisfying nature of the rotary speaker emulation, with particular praise for its flexibility, intuitive design, and build quality. Users appreciate features such as the blend and drive controls, value the quiet operation, and feel its performance exceeds comparable pedals. Some note the high price but agree it is justified by the sound and feature set. The lack of bundled power supply is mentioned as a minor drawback.

5 ★
80%
4 ★
16%
3 ★
2%
2 ★
1%
1 ★
1%
Positive 85% Neutral 12% Negative 3%
The best thing available is Keeley Rotary pedal. It sounds right. It has all the bells and whistles you want to have.
Keeley Rotary has exceeded 'em all. I simply love it. It is amazing and makes me just 'feel and taste' the sound for hours.
Keeley Rotary sounds the part, works the part, takes regular power, is very easy to operate and dial in crazy good tones.

Up close

Keeley Rotary - Chorus, detail 2Keeley Rotary - Chorus, detail 3Keeley Rotary - Chorus, detail 4Keeley Rotary - Chorus, detail 5

Watch and listen

Watch the video demo on YouTube →

Before you decide

Questions players ask

Does the Keeley Rotary work well with both guitar and keyboards?

Yes, users report excellent results on both electric guitar and organ, with authentic vintage rotary speaker tones for both instruments.

Is it easy to dial in subtle or extreme rotary effects?

Yes, with blend, drive, speed controls, three EQ curves, and a mid boost, you can achieve anything between subtle shimmer and full-on rotary emulation.

Can the pedal run in stereo mode?

Yes, the Keeley Rotary offers true stereo functionality with separate left and right input/output jacks.

Does the pedal produce any unwanted noise?

No, users highlight that the pedal is silent in operation and does not generate unwanted hum or hiss.

Is a power adapter included?

No, you need to purchase a 9V, 18V DC center-negative adapter separately, as no power supply is included.

The last word from the bench

This pedal matches or surpasses the most renowned rotary speaker emulations in pedal form, thanks to its sound quality and intuitive controls. The blend, drive, and mid boost controls allow precise adjustment, capturing everything from classic organ to Gilmour-inspired guitar tones. Despite the high price tag and additional cost for a power supply, its authentic sound and versatility justify the investment for demanding players. The Keeley Rotary is an excellent choice for anyone seeking top-tier rotating speaker effects with comprehensive features in a compact design.

Keeley Rotary - Chorus, $349Check today's price →

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Keeley Rotary - Chorus

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