GMS979MU 90 Watt Power Supply

Supplies Up to 24 MU (DOTCOM) Modules

The GMS-979MU 90 Watt power supply uses a high-efficiency compact DC/DC converter to supply +-15V and +5V for up to 24 modules. The unit is supplied with an external universal AC/DC converter to convert 115-240 VAC 50-60Hz to 19.5VDC to run the converter. Supplied with 8 2.5 foot PCS-2 DotCom Power Cables.


Technical Specifications

GMS-979 Module

DC Input Range
+12 - +36 Volts DC

Current Input
9 - 3 Amps (depends on input voltage)
Nominal 5.5 Amps at 19.6 V.

Output Voltage & Current
+15 V. - 2.0 Amps max.
-15 V. - 2.0 Amps max.
+5 V. 6 Amps max.

Module Output Connectors
24 DOTCOM compatible keyed connectors

Output Connector Type
TE Connectivity AMP 640456-6

Module Size
Height - 3.75 inches (95 mm)
Width - 16.5 inches (420 mm)
Depth - 1.75 inches (45 mm)

AC/DC Converter Module

AC Input
110 - 240 VAC 50 - 60 Hz

Input Power
135 Watts

DC Output
19.6 Volts DC - 6 Amps

Output Connector
EIAJ-05 - center pin positive



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.


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.

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Grove Audio has been manufacturing professional recording and modularized electronics for musicians and performers since 1995.