Pricing and availability
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Average Price: $309
High-end/Boutique
$70
$201+
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Standard
High-end
Price History
Based on price data from 6 merchants for "Electro-Harmonix EH-7959 Bass Micro Synthesizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash your bass guitar’s full potential with the Electro-Harmonix EH-7959 Bass Micro Synthesizer, a versatile analog effects pedal that transforms your sound into a sonic powerhouse. Taking inspiration from the classic Moog synthesizers, this pedal is a playground for bassists seeking to explore a universe of tonal possibilities. With its 10 slider controls and four fully mixable voices—Guitar, Octave, Sub-Octave, and Square Wave—you have the ultimate toolkit for crafting everything from rich, vintage analog synth sounds to modern, experimental tones. Whether you’re after the smooth textures of a bowed instrument or the edgy bite of a blown horn, the Bass Micro Synthesizer has you covered. Its envelope controls allow you to sculpt your sound precisely, making it an essential addition to any bassist's pedalboard. So, if you're ready to push the boundaries of your bass sound, look no further than the EH-7959.
Key Features:
- 10 slider controls for precise sound shaping
- Four independent and mixable voices: Guitar, Octave, Sub-Octave, Square Wave
- Capable of producing a wide range of analog synth sounds
- Envelope control for unique sound textures
- Power adapter included for convenience
Owner's manual
Electro-Harmonix EH-7959 Bass Micro Synthesizer User ManualProduct specs
| Pedal Type | Bass Guitar Synthesizer |
| Analog/Digital | Analog |
| Effects | 3-pole Resonant Filter, 4-voice Mixer: Sub Octave, Octave Up, Square Wave |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| True Bypass | Yes |
| Power Source | 9V DC power supply (included) |
| Height | 2.5" |
| Width | 4.75" |
| Depth | 5.75" |
| Weight | 2 lbs. |
FAQs
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What kind of power supply does the Electro-Harmonix Bass Micro Synthesizer require?
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The Electro-Harmonix Bass Micro Synthesizer requires a 9V DC power supply with a center-negative plug, and it draws 55mA of current.
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Is the Electro-Harmonix Bass Micro Synthesizer suitable for live performances?
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Yes, the Electro-Harmonix Bass Micro Synthesizer is suitable for live performances, offering a range of vintage-style synth tones and true bypass to maintain signal integrity when not in use.
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Can the Electro-Harmonix Bass Micro Synthesizer be used with a guitar?
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While designed for bass guitars, the Electro-Harmonix Bass Micro Synthesizer can also be used with electric guitars to explore unique synth textures, though the output may vary due to frequency differences.
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Does the Electro-Harmonix Bass Micro Synthesizer have true bypass?
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Yes, the Electro-Harmonix Bass Micro Synthesizer features true bypass, ensuring your signal remains unaffected when the pedal is turned off.
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What are the main sound features of the Electro-Harmonix Bass Micro Synthesizer?
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The Electro-Harmonix Bass Micro Synthesizer offers a 4-voice mixer with Sub Octave, Octave Up, Guitar, and Square Wave, allowing for a wide range of analog synth tones with a 3-pole resonant filter for added texture.
Videos
EHX
Electro-Harmonix Bass Micro Synthesizer Analog Microsynth Pedal (Demo by Peter Stroud)
Reviews
PROS
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Offers full-blown analogue synth capabilities, not just distortion
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Can function as a standalone instrument with great tone
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Vintage units (70's) have a unique, irreplaceable sound
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Enhanced with an 18v power supply and on/off switch for better performance
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Richer resonant filters and fuller tone compared to earlier models
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Features a soft attack function for versatile sound shaping
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Allows for unique square distortion through setting start-stop frequency equal
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Compatible with drive pedals for even more sound variation
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Includes internal trim pots for level and trigger threshold adjustment
CONS
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Older units can be fragile and require careful handling
5.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
Add artistVisible in this photo from this November 24, 2010 Source Audio blog post.
In a Facebook post from bassist Seth Govan, his pedalboard with a Electro-Harmonix EH-7959 on the right can be seen.
In this picture we can see the complete pedalboard of Isabel in 2017. The picture it's from this article: https://elpais.com/elpais/2017/01/23/album/1485164930_639790.html
Album Usage
The Electro-Harmonix EH-7959 Bass Micro Synthesizer has been featured on the following albums:
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 Electro-Harmonix EH-7959 Bass Micro Synthesizer, it is most commonly used with the following gear.
Community setups
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