18 x Eurorack Power Connectors in a compact boardDesigned by Electronic things... and stuff in France
Bring Power to your Modules Every Eurorack Synth needs a power bus. The power bus is the central connection point between the power supply and each module in your rack. A good bus is short, able to...Read More…
Every Eurorack Synth needs a power bus. The power bus is the central connection point between the power supply and each module in your rack. A good bus is short, able to handle enough power and convenient to use.
Why short? Because the more distance between each connector you have, the more impedance you add between your modules. The impedance on the ground rail (the 0 Volt reference), needs to be as low as possible. Having short copper tracks reduce that impedance.
With the Eurorack Power Bus - 18, you can connect and power up to 18 Eurorack modules.
This board only needs + and - 12 V power supply. +5 V is generated by an on-board linear regulator. Screw Terminals are versatile and let you connect your bus to any kind of power supply.
3 rail visualization LEDs are present to show if there is energy on the rails, and if the polarity is correct.
The bus is very easy to solder and to build: no SMD, only Through Hole. Very detailed silkscreen for easy component placement.
Want more connectors or smaller footprint? Other Eurorack Power Bus are available:
It's compact, affordable, and easy to use. You only need a 3 rail PSU (-12, 0, +12V) as +5V is generated by the bus board itself. The PCB is 20 cm x 5 cm. Easy to integrate within a 84HP row. And if you really, really, need more power connectors (who doesn't?), 2 buses can easily fit in 84HP too. 6 Screws per board and 1.6mm thickness make the PCB really stiff and you can pull and push connectors without worrying to damage the board.
Always check voltage polarities and module documentations before plugging anything!
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Tilman | March 6, 2021
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