Pricing and availability

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Average Price: $196

Standard/Professional

$75

$201+

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Standard

High-end

Price History

Based on price data from 1 merchant for "KMA Machines Astrospurt". Prices shown reflect NEW condition. Tracking began Apr 23, 2026.

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Description

Unleash a cosmic journey of sound with the KMA Machines Astrospurt, a classic four-stage JFET-based phaser pedal that brings a universe of tonal possibilities to your pedalboard. Whether you're seeking the nostalgic sweep of vintage phasers or the cutting-edge textures of futuristic modulation, the Astrospurt delivers with precision and flair. This pedal isn't just about looking to the past or future—it's about blending them seamlessly with a unique mix knob that adds your raw signal back into the mix, ensuring clarity and presence in every note.

Dive deeper into the soundscape with the switchable EMPH feature, which introduces oscillating sounds that can transform your riffs into otherworldly experiences. With intuitive controls for Emph, Signal, Mix, Depth, and Spurt, shaping your sound becomes a creative exploration. The hand switch and footswitch offer easy toggling between settings and effects bypass, making it a versatile tool for live performances and studio sessions alike.

Built with meticulous craftsmanship and handmade in Germany, the Astrospurt reflects quality in both construction and sound. Plug into its 6.3 mm input and output jacks, and power up with a standard 9 V DC connection for a phaser experience that is both reliable and inspiring.

Key Features:

  • Classic four-stage JFET-based phaser
  • Wide range of phaser tones from vintage to modern
  • Mix knob for blending raw signal
  • Switchable EMPH for additional oscillating sounds
  • Controls: Emph, Signal, Mix, Depth, Spurt
  • Hand switch for Emph on/off; Foot switch for effect bypass
  • Connections: Input and Output (6.3 mm jacks), 9 V DC power supply
  • Power consumption: 5 mA
  • True Bypass
  • Handmade in Germany

Product specs

Available since September 2017
Chorus No
Flanger No
Phaser Yes

FAQs

What type of phaser effect does the KMA Machines Astrospurt provide?

The KMA Machines Astrospurt is a 4-stage JFet phaser pedal, delivering rich and dynamic phasing effects suitable for a variety of music genres.

Is the KMA Machines Astrospurt suitable for both guitar and bass?

Yes, the KMA Machines Astrospurt is designed to work well with both electric guitars and basses, offering versatile phasing effects for different instruments.

Does the KMA Machines Astrospurt require a specific power supply?

The KMA Machines Astrospurt operates with a standard 9V DC power supply, which is commonly used for most guitar pedals.

How does the KMA Machines Astrospurt differ from other phaser pedals?

The KMA Machines Astrospurt features a unique 4-stage JFet design, providing a distinctively rich and dynamic phaser sound compared to traditional phaser pedals.

Can the KMA Machines Astrospurt be used for live performances?

Yes, the KMA Machines Astrospurt is well-suited for live performances, offering robust and reliable phasing effects that enhance stage soundscapes.

The Pedal Zone

The Pedal Zone

KMA Machines Astrospurt Phaser Demo

Video thumbnail for KMA Machines Astrospurt Phaser Demo by The Pedal Zone

KMA Machines Astrospurt Phaser Demo

The Pedal Zone

The Pedal Zone

Video thumbnail for KMA Machines - Astrospurt Phaser - Official Studio Demo by KMA Machines

KMA Machines - Astrospurt Phaser - Official Studio Demo

KMA Machines

KMA Machines

Video thumbnail for KMA Machines Astrospurt Phaser | Reverb Tone Report Demo by Reverb

KMA Machines Astrospurt Phaser | Reverb Tone Report Demo

Reverb

Reverb

Video thumbnail for CGA: KMA Machines Moai Maea & Astrospurt by Riffs, Beards & Gear

CGA: KMA Machines Moai Maea & Astrospurt

Riffs, Beards & Gear

Riffs, Beards & Gear

Video thumbnail for KMA Audio Machines Astrospurt Phaser - DEMO by Victor Hugo Targino

KMA Audio Machines Astrospurt Phaser - DEMO

Victor Hugo Targino

Victor Hugo Targino

Video thumbnail for KMA Audio Machines ASTROSPURT - Demo by Alberto Barrero by Alberto Barrero

KMA Audio Machines ASTROSPURT - Demo by Alberto Barrero

Alberto Barrero

Alberto Barrero

Video thumbnail for KMA Machines Astrospurt Phaser - Sound Demo (no talking) by Guitar Bonedo

KMA Machines Astrospurt Phaser - Sound Demo (no talking)

Guitar Bonedo

Guitar Bonedo

Video thumbnail for Plainride Pedal Science: KMA-Machines Astrospurt by Plainride

Plainride Pedal Science: KMA-Machines Astrospurt

Plainride

Plainride

Reviews

PROS

  • Stunning visual design, eye-catching on pedalboards

  • Highly versatile, from fuzzy to alien-like sounds

  • Easy to tweak for personalized sound with "MIX" knob

  • Enhances both clean and distorted tones, great for solos

  • Solid build quality with durable knobs and casing

  • Helpful and responsive customer support from KMA

  • Innovative "EMPH" circuit adds unique modulation options

  • Informative manual for navigating complex settings

  • Flashing LEDs sync with modulation for visual feedback

  • Outperforms competitors in versatility and sound quality

CONS

  • Initial setup and use can be daunting

  • "EMPH" setting activation causes a loud pop

  • Potential for excessive noise when overdriven with "spurt" setting

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about KMA Machines Astrospurt.

Features and functionality

  • The Astrospurt Phaser features ship engine lights that visually indicate modulation rate, enhancing the user experience and aesthetic appeal.

    Source
  • The "Emph" control has been noted for creating bird chirping sounds when experimented with, especially impactful when stacked with fuzz effects.

    Source
  • The toggle switch allows users to switch off modulation for basic phasing, offering flexibility in sound customization.

    Source

Use cases and applications

  • It excels in producing psychedelic sounds with acoustic guitars and can create intense oscillation effects when paired with bass and fuzz pedals.

    Source
  • The pedal is versatile enough to be used with a variety of instruments, including a pocket operator drum machine and Volca FM, showcasing its adaptability.

    Source
  • The "Spurt" control for rate adjustment can be set to fully clockwise for a choppy effect, providing a range of rhythmic modulation options.

    Source

User experience

  • Owners appreciate the pedal's ability to deliver spacey, dizzy, and wobbly soundscapes, making it a staple on their pedalboards.

    Source
  • An owner mentioned the pedal being their first phaser, sought for its ability to replicate Tame Impala-like sounds.

    Source

Build quality

  • The pedal's robust design and visually appealing build are highlighted, reflecting the high-quality craftsmanship from the German company KMA Machines.

    Source
  • The pedal includes a bypass LED located in the vortex, and two smaller LEDs on the spacecraft boosters, adding both functionality and aesthetic appeal.

    Source

Value and pricing

  • One owner acquired the Astrospurt at auction for $120 AUD, highlighting potential savings compared to typical retail prices around $300 AUD.

    Source

Critic Reviews

KMA Machines Astrospurt review on pedal-of-the-day.com

pedal-of-the-day.com

The KMA Machines Astrospurt 4-Stage JFET Phaser impresses with its vast array of sounds, from spacey to choppy, thanks to its versatile controls like Spurt and Emph. It offers a warm, immersive soundscape that can stand alone or complement fuzz and distortion pedals. The updated design is sleek and professional, enhancing its appeal. While the review does not highlight any significant downsides, the praise for its sound diversity and easy integration into pedalboards suggests it's a solid addition for modulation enthusiasts. Overall, a highly recommended phaser pedal with a stamp of approval from the reviewers.

positive

Review round-up: stunning phaser pedals | MusicRadar

musicradar.com

The KMA Machines Astrospurt impresses with luxurious design elements, including standout artwork and smart indicator lights. While it shares a sonic foundation with standard JFET phasers, its charm lies in added features such as a signal boost and mix control, which enhance warmth and body. The unique emphasis control offers a feedback path that can produce unpredictable artifacts or intense noise, making it a creative tool for sound exploration. Overall, the Astrospurt garners a positive reception, praised for its high-end components and versatility, though it doesn't radically depart from typical phaser sounds.

positive

4.5 out of 5

Based on 0 Reviews and 2 Ratings

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Artist usage

Add artist
See how Brian Cook uses KMA Machines Astrospurt

Brian Cook

Bassist, Keyboardist

Botch

...
Verified via Instagram

In a video on the Chicago Music Exchange YouTube channel, Brian Cook is seen using the KMA Machines Astrospurt phaser pedal during a playthrough of "Mota" with Mike.

See how Vidar Landa uses KMA Machines Astrospurt

Vidar Landa

Guitarist

Kvelertak

...
Verified via Premier Guitar

In a detailed interview with Premier Guitar, Vidar Landa listed his gear. The KMA Astrospurt is among the listed items.

Album Usage

The KMA Machines Astrospurt 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 KMA Machines Astrospurt, it is most commonly used with the following gear.

Community setups

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roel_pieterse

roel_pieterse

Gear IQ 75

patrick_belanger

patrick_belanger

Gear IQ 268

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