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Keeley Zoma High Fidelity Reverb and Tremolo Pedal
Three Different Reverb & Tremolo Mode Pairings - Simple & Intuitive Controls
The Keeley Zoma is a high-fidelity stereo reverb and tremolo pedal designed for players seeking premium tone, versatility, and ease of use. It features three carefully curated reverb and tremolo pairings - Spring with Sine Tremolo, Plate with Harmonic Tremolo, and Plate with Pitch Vibrato - offering everything from classic amp-inspired sounds to ambient, experimental textures. With intuitive controls, including alternate parameters for in-depth sound shaping, selectable effect order, and a choice between true bypass or buffered trails, the Zoma integrates seamlessly into any rig. Built in the USA and housed in a rugged, custom-angled enclosure, it delivers studio-quality sound and reliable performance for stage or studio use.

The Keeley Zoma is a professional-grade stereo effects pedal that combines premium-quality reverb and tremolo in a compact, easy-to-use unit. Designed for players who demand high-fidelity tone and versatility, the Zoma offers a wide range of sonic textures suitable for any genre or playing style. It delivers studio-quality sound processing with true stereo inputs and outputs, making it an ideal addition to modern pedalboards and stereo rigs.
The Zoma provides three reverb and tremolo pairings: Spring Reverb with Sine Wave Tremolo, Plate Reverb with Harmonic Tremolo, and Plate Reverb with Pitch Vibrato. These modes allow users to access both traditional and experimental sounds with clarity and control. The Spring Reverb emulates the classic tube amp effect, while the Plate Reverb offers a smoother, more ambient response. Tremolo options include a simple sine wave volume modulation, phase-split Harmonic Tremolo for added movement, and Pitch Vibrato for more expressive, modulated pitch shifts.
The pedal's layout is designed for straightforward operation. Three primary knobs allow for quick adjustment of Reverb Level, Tremolo Rate, and Tremolo Depth. For deeper sound shaping, alternate controls can be accessed by holding the footswitch - these include Reverb Decay, Reverb Tone, and Tremolo Boost Volume. This dual-function interface allows for comprehensive tone customisation without adding complexity.
Zoma also includes a signal path switch that lets users choose the order of reverb and tremolo effects. This flexibility allows for either a vintage-style configuration with tremolo after reverb, or a reversed order for more textural and immersive tones. Additionally, players can toggle between true bypass for a clean, unaffected signal when off, or buffered trails mode to allow reverb and tremolo effects to fade naturally after disengaging the pedal.
Housed in a durable, custom-angled aluminium chassis, the Zoma is built to withstand regular gigging and studio use. Like all Keeley pedals, it is proudly designed and manufactured in the USA. With its blend of high-quality stereo processing, flexible controls, and dependable construction, the Zoma is a powerful tool for players seeking to enhance their tone with lush reverbs and dynamic modulation effects.