Keeley Electronics Manis Overdrive
Overview
The Keeley Manis Overdrive writes the next chapter in the legendary Klone-style overdrive story—modernized, refined, and built for players who demand feel as much as tone. Designed as a voltage-doubled hard clipping boost, the Manis delivers iconic germanium warmth while offering powerful new tonal options that push far beyond traditional Klone territory.
Whether you’re a longtime Klone purist or a player looking for a more flexible, amp-like overdrive, the Manis bridges the gap with authority and musicality.
Classic Germanium Core, Expanded Feel
At its heart, the Manis features essential germanium diodes, delivering the familiar clarity, punch, and harmonic richness players expect. But Keeley takes it further with the Ge-Trans switch, allowing you to swap the diodes for cold-war era germanium transistors.
This switch dramatically changes the feel—adding more sustain, saturation, and a tube-like compression that responds beautifully to picking dynamics. It’s not just a tonal shift; it’s a tactile one you can feel under your fingertips.
Bass+ Switch for Bigger Low End
Need more low-end authority? The Bass+ switch lowers the frequency cutoff by a full octave and adds 3dB of boost, making it perfect for restoring low-end when using single coils or pushing bigger, fuller tones through smaller amps.
This feature keeps your sound thick and powerful without muddying the mids or losing clarity.
Voltage-Doubled Headroom & Flexible Bypass
The Manis is uniquely capable of running at 18V, offering increased headroom and dynamic range for players who want maximum clarity and punch. It’s a true first of its kind in this category.
You can also choose between True Bypass or Silent Buffered Bypass, making it easy to integrate into any pedalboard or signal chain with confidence.
Why Choose the Keeley Manis Overdrive?
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Voltage-doubled hard clipping boost design
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Germanium diode or transistor clipping via Ge-Trans switch
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Tube-like response with enhanced sustain and saturation
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Bass+ switch for deeper low-end and added punch
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Runs on 9–18V for increased headroom
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User-selectable true bypass or buffered bypass
Tech Specs
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Pedal Type: Overdrive & Boost
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Circuitry: All-analog
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Inputs/Outputs: ¼” TS jacks
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Input Impedance: 500k
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Output Impedance: 1k
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Bypass: True Bypass or Silent Buffered Bypass (user selectable)
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Power: 9–18V DC (power supply required, no battery)
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Current Draw: 15mA
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Dimensions: 5” L x 2.6” W x 2.7” H
The Keeley Electronics Manis Overdrive is a modern evolution of a legendary circuit—offering classic germanium tone, expanded control, and unmatched feel for today’s players.
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