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Effects & Percussion

5U Synthesizer Modules

This section contains audio effects modules and modules to synthesize percussion sounds including drums, hats, claps, and other percussion instruments.  

GMS-410 Tom Drum Synth

The GMS-410 Tom Drum Synth module contains a complete drum synthesizer channel consisting of oscillators, a noise generator, and VCAs with associated envelope generator to generate the percussion sounds associated with the tom drum.

GMS-1380MU Digital Delay

The GMS-1380MU Digital Delay can provide delay times of up to 4 seconds for a monoaural input or up to 2 seconds per channel for stereo inputs. 


We produce electronic synthesizer modules in the two most popular formats, MU (Moog compatible 5U) and EU (Eurorack compatible 3U). A wide range of voltage controlled modules including oscillators, amplifiers, mixers, envelope generators, special effects units, wave generators, filters, power systems and cases allow  users complete freedom to configure any desired electronic music instrument. 


Grove Audio builds microphones, preamplifiers, equalizers, compressors and other professional audio equipment for performance and studio use. We build units in popular formats such as 19 inch rack mount and 500 series 3U modules. We can also produce custom designs on request. Contact us for a consultation. 


A wide range of electronic parts, kits, tools and accessories is available on the Strange Hardware site. Fast order response, free shipping specials and prompt service will get you the parts you need for your building, restoration or repair projects. You will find high tech hardware sure to inspire the inventor in you. 


You can explore all of our products, download spec sheets, and purchase our products in the Grove Audio Synth Store. You can also learn about our periodic specials and new product introductions. Click the button below to go directly to the store.


256 N Main St.
Cottage Grove WI 53527

Phone: 608 886-6503

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