Mad Professor Simble Predriver

$169.00 to $229.00 Price Tier: High-end

1 Critic Review

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Page last updated Jun 09, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated June 9, 2026.

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Reviews

Price

5.0 (8)

$229.00 1 available New

$167.32 4 available Used

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ProAudioStar

$169.00

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Average Price: $188

High-end/Boutique

$60

$151+

Price Tier

In the Boost Effects Pedals category, Mad Professor Simble Predriver is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Standard

High-end

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Description

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Simble Predriver is not just a preamp, it is a preamp/booster/compressor/upper harmonic enhancer. This musical tonal combination is totally adjustable with your picking attack and guitar volume pot. The amount of boost depends on the input signal level and HOT/COOL switch position. The maximum is about +10dB on lower level notes and average is about +6dB.

Simble Predriver’s special circuitry uses low noise transistor with high input impedance (over 2 Mohm) so you can boost even piezo pickups without tone loss. The output impedance is 50 Kohm so it works even in front of fuzz pedals. The power consumption is very small if you remove the input jack when not playing you can use the pedal with a 9V battery for few years!

Product specs

Power	9V
Analog/Digital	analog

Videos

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Pete Thorn

Mad Professor Simble Predriver, demo by Pete Thorn

Pete Thorn

Mad Professor Simble Predriver demo: Part 1 by Marko Karhu

Mad Professor Amplification

Mad Professor Simble Predriver demo: Part 3 by Marko Karhu

Mad Professor Amplification

Mad Professor Simble Predriver

Guitarist

Mad Professor Simble Predriver demo: Part 2 by Marko Karhu

Mad Professor Amplification

SNAMM '15 - Mad Professor Evolution Orange Underdrive and Simble Predriver Demos

Premier Guitar

Mad Professor Simble Predriver Booster/Preamp - DEMO

Victor Hugo Targino

Mad Professor Simble Predriver

accordoTV

Mad Professor Simble Predriver

thejay (Big Battle Bear)

Reviews

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Critic Reviews

Mad Professor Simble Predriver review | MusicRadar

musicradar.com

Mad Professor Simble Predriver is a straightforward tone enhancer that effortlessly enriches your sound with a rich tone boost. With no knobs and just two settings, Hot and Cool, it offers up to 10dB of boost, allowing for easy use as either a permanent tone sweetener or a clean boost. When paired with a clean amp, it delivers automatically richer tones with added sustain and grit. The Hot setting provides a dirtier, more midrange-focused boost, making it perfect for pushing a dirt pedal or complementing an amp. It’s a must-have for anyone looking to enhance their guitar tone.

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