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Row Power 25

4ms Company

Eurorack Power Module 

User Manual 1.0 – Sept. 24, 2019 

The 

Row Power 25

 is a power supply module for the Eurorack modular system. It 

requires a barrel-style power brick (15V – 20V DC) and supplies power to modules 

via flying bus cables, direction connection, and/or bus boards using the single 

standard 16-pin Eurorack header on the back. For custom power systems, the 

Row Power 25

 has a set of easily soldered holes for using large gauge wire or 

MTA156 connectors to connect to distribution bus boards.

Multiple 

Row Power 

modules can be powered from a single power brick by 

daisy-chaining with an inexpensive barrel cable. The 

Row Power 25 

can also be 

daisy-chained to 4ms Company’s Pod enclosures.

Maximum and recommended power output: 

+12V: 1.4A maximum, 1.0A recommended

-12V: 0.8A maximum, 0.5A recommended

+5V: 1.0A maximum, 0.8A recommended

Maximum power output can be expected under normal operating conditions. 
Recommended power output is guaranteed under extreme temperature and limited airflow 
conditions. 

Power Brick: 

Available wherever 

Row Power 

modules are sold.

You may use your own power brick if it meets the following:

15VDC to 20VDC

Minimum 30W output power

Positive center 2.1mm barrel plug

Low-noise output

Features: 

Two identical barrel power jacks at top and bottom for daisy-chaining (either 

jack can be used for power input or chaining)

On/off switch

LED ind/-12V rails are functioning

25.6mm (1.01”) deep with power cable attached

22.0mm (0.87”) with no power cable (when using solder points)

4HP

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