The first sound effects built into amplifiers were tremolo and reverb. Keeley’s legendary reverbs are paired with their sultry, vocal-like tremolos to give you an unreal sonic experience.
Features
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Simple Control Layout: Three large knobs give you maximum control over Reverb Level and Rate and Depth for Tremolo.
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Easy Access Alt-Controls: Reverb Decay, Reverb Tone, Tremolo Volume.
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Instant Effect Order Switching: Choose which signal path is right for you. Put your tremolos after the reverb for a vintage correct, black-panel tone. Experience a dirty, swampy tone with harmonic tremolo on top of reverb.
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True Bypass or Buffered Trails: You chose what sounds and works best in your rig.
The Zoma is more than just a pedal – it’s your signature. Reverb and tremolo effects crown any player’s pedalboard. Trust Keeley reverbs for an inspiring “always-on” sound
Three Reverb and Trem Modes:
We’ve combined the most popular ‘Verbs and Trems into three different pairs. There’s nothing quite like the syrupy smooth sound of our Plate Reverb combined with Harmonic Tremolo.
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SS – Spring Reverb and Sine Tremolo – Classic black panel amplifiers had spring reverb followed by a sine wave tremolo (at the power tubes)
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PH – Plate Reverb and Harmonic Tremolo – Smooth reverb with swampy harmonic trem, what’s not to love?
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PV – Plate Reverb and Pitch Vibrato – Vocal smooth vibrato with other-worldly reverb.
Reverb – Sounds and Controls
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Spring Reverb: tube amp spring reverb – we simulate every detail of that classic vintage reverb sound.
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Plate Reverb: bright, smooth reverb from a thin vibrating metal plate.
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Reverb Decay: (Alt feature) Hold REVERB/ALT SWITCH down while adjusting Level knob.
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Reverb Tone: (Alt feature) Hold REVERB/ALT SWITCH down while adjusting Rate knob.
Tremolo – Sounds and Controls
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Sine Wave or Volume Tremolo: Sine wave tremolo simply adjusts the volume of the signal up and down.
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Harmonic Tremolo: Just like tube-amp harmonic tremolo, your guitar signal is phase-split and filtered, almost like a phaser.
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Pitch Vibrato: Bends the notes out of tune, you control how far and how fast.
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Alt-Control-Tremolo Boost Volume: Hold REVERB/ALT footswitch down while adjusting Depth knob.
Stunning Design and Ease of Use
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Artful Electronic Circuitry: Housed in a proprietary angled aluminum enclosure for simplicity and durability.
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We stand behind EVERY Keeley pedal: Proudly Designed and Manufactured in the USA.
Upgrade Your Sound
Explore new sonic possibilities with the Zoma Reverb and Tremolo pedal. Prepare yourself for stereo, high-fidelity reverbs and luxurious tremolos.
Zoma Highlights
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Reverb: Experience the ultimate reverb with the Keeley ZOMA, featuring two immersive modes: the lush, vintage-inspired Spring Reverb and the rich, expansive Plate Reverb—delivering true stereo sound that transforms your tone with precision and depth.
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Tremolo: Immerse yourself in the rich textures of the Keeley ZOMA’s three distinct tremolo modes: classic Sine Wave Tremolo, vibrant Harmonic Tremolo, and dynamic Pitch Vibrato—crafted for true stereo sound and unmatched tonal versatility.
Specifications
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Pedal Type: Reverb and Tremolo
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Analog/Digital: 100% Analog dry signal – Digital Reverb
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Effects: Spring and Plate reverbs, Sine, Pitch, and Harmonic Tremolos
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Inputs/Outputs: TS 1⁄4” jacks
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Bypass: True Bypass or Silent Buffered Bypass, user selectable
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Power Requirements: 9-18 VDC, 150mA (high current power supply sold separately) – No battery
Dimensions
- Width – 3.9in / 99mm
- Height – 2.6in / 66mm
- Depth – 4.9in / 124.5mm
