Pricing and availability
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Price
Average Price: $186
Standard/Professional
$50
$201+
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Price History
Based on price data from 1 merchant for "Mad Professor Forest Green Compressor". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.
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Description
Introducing the Mad Professor Forest Green Compressor, a versatile addition to your musical setup, designed to fulfill all your compression needs. This ingenious device serves as a dual-purpose compression/sustain pedal for both guitars and basses. With a unique Tone control, it allows for unparalleled fine-tuning that delivers the most transparent compression you could dream of. What's more, it ensures your attack stays intact with its distinct control settings for Level, Sust/Comp, and Compression. With the Forest Green Compressor, every note will be pitch perfect, and every performance will shine.
Key Features:
- Dual-purpose functionality: Works as a compression/sustain pedal for both guitars and basses.
- Unique Tone control: Allows for precise fine-tuning to achieve transparent compression.
- Preserves attack: Special controls for Level, Sust/Comp, and Compression ensure your attack remains intact.
- Versatile and user-friendly: Makes it easy to achieve the perfect sound for every performance.
Product specs
| Brand | Mad Professor |
| Model | Forest Green Compressor |
| Finish | Green |
| Year | 2010s |
| Categories | Compressor Pedals |
FAQs
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What are the main features of the Mad Professor Forest Green Compressor?
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The Mad Professor Forest Green Compressor offers Compressor and Sustain modes, allowing adjustment of compression and sustain levels. It features a tone control for fine-tuning the compressed sound, making it suitable for both guitar and bass.
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How does the tone control on the Mad Professor Forest Green Compressor affect the sound?
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The tone control adjusts the compressed sound for transparency. Turning counterclockwise provides full-range compression, ideal for bass, while setting it at noon offers a transparent sound. Turning clockwise results in a slightly brighter tone with less bottom end.
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Can the Mad Professor Forest Green Compressor be used as a booster?
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Yes, in Compressor mode, the Mad Professor Forest Green Compressor can adjust the overall volume, allowing it to function as a booster.
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Is the Mad Professor Forest Green Compressor suitable for bass guitar?
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Yes, the Mad Professor Forest Green Compressor is suitable for bass guitar, especially when the tone control is adjusted counterclockwise for full-range compression.
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What is the effect of the Sustain mode on the Mad Professor Forest Green Compressor?
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In Sustain mode, the Level control adjusts the level of the sustained part rather than the overall output, preserving attack and enhancing the decay and weaker parts for dynamic touch and ease of playing.
Videos
ProGuitarShopDemos
Mad Professor Forest Green Compressor
Reviews
PROS
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Quality components ensure reliability and durability
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Offers both compression and sustain modes for versatility
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Provides clean compression without altering the original tone
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Enhances sustain significantly, especially for solo performances
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Compatible with both single coil pickups and humbuckers
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Maintains string attack even in sustain mode
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Remarkably quiet operation compared to competitors
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Compact size ideal for crowded pedalboards
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Tone control allows for precise sound matching
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Works exceptionally well with bass in finger style
CONS
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Initial tonal adjustment can be unappealing (bass boost, mid thinning, treble boost)
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Sustain may not meet expectations for single-note soloing
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Some users may tire of the pedal's tonal boosts and cuts
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Compressed sound might seem too snappy for some preferences
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Mad Professor Forest Green Compressor.
Comparisons
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The Mad Professor Forest Green is noted for its musicality, with a leveller and classic compressor circuit, offering a versatile alternative to more common choices like the Keeley or Cali76.
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Features and functionality
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The Forest Green's tone knob allows for low-end reduction to tighten the sound, performing well at both low and high compression settings, which appeals to users seeking dynamic range.
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The Forest Green offers a unique dual mode switch for comp and sustain, providing adaptability for various playing styles and tonal needs.
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Use cases and applications
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This pedal is particularly effective for players looking to maintain musicality while controlling dynamics, making it ideal for clean tones without sacrificing tonal character.
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Owners highlight its effectiveness in both comp and sustain modes, with sustain mode particularly praised for enhancing lead guitar tones.
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Critic Reviews
5.0 out of 5
Based on 0 Reviews and 8 Ratings
Artist usage
Add artist
Featured in this October 16, 2014 Instagram post.
My board changes a lot. Here's its current state.
According to his gear page on his official website, one of the items he uses for studio purposes is the Mad Professor Forest Green Compressor pedal.
In an interview with Guitar Magazine in August 2025, Takaakira "Taka" Goto confirmed his use of the Mad Professor Forest Green Compressor, specifically highlighting its application when he plays guitar with a drumstick, as exemplified in the song "Hear the Wind Sing." This information was provided by 小林弘昂 in the article titled "MONOのTakaakira 'Taka' Gotoがライブで愛用するペダルボードを本人が解説!" published by ギター・マガジンWEB|Guitar magazine.
A Twitter pic from Billy Corgan where he reveals Nicole's live pedalboard. You can see the Mad Professor in the top left corner.
During the "Roselia x RAISE A SUILEN Rausch und/and Craziness" live performance on December 1, 2019, Riko Kohara used the Mad Professor Forest Green Compressor, as documented by ??????? ?STAGE?.
On Mad Professor's website, Donahue was mentioned as user of this compressor pedal.
(30:14 minute mark) - This pedal is used to normalize the signal, which would usually get cut down by Malekko B:Assmaster and Malekko Diabolik in his pedalboard.
This Reddit post with a photo of Shoko Inoue's pedalboard shows a Mad Professor Forest Green Compressor, among other pedals.
Frans van Zoest uses the Mad Professor Forest Green Compressor, as shown in a user-uploaded photo.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Mad Professor Forest Green Compressor, it is most commonly used with the following gear.
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