14 x Eurorack Power Connectors in a compact board.Designed by Electronic things... and stuff in France
New Ready-made/plug-and-play version available! This version is fully assembled and ready for your case! See below for details Updated to version 1.1 Simpler design and an additional power input conn…Read More…
This version is fully assembled and ready for your case! See below for details
Simpler design and an additional power input connector.
Every Eurorack Synth needs a power bus. The power bus is the central connection point between the power supply and each module in your case. A good bus is short, able to handle enough power and convenient to use.
Why short? Because 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, you can connect and power up to 14 Eurorack modules at once!
The DIY/Through-Hole version has in addition two Analogue Systems modules and six 1U tile modules.
The bus needs to be powered:
The Ready-made/Plug-and-play version requires +12V, -12V, 0V and +5V. This version doesn't have a regulator for the +5V. This is the perfect combination with popular PSUs that already output +5V.
The DIY/Through-Hole version requires +12V, -12V, and 0V. The +5V rail can be generated on-board, but only if you install a +5V regulator.
Power enters through Screw Terminals. This kind of connector is versatile and let you connect your bus to any kind of power supply.
There are 3 LEDs to help you visualize if there's energy on the rails, and if the polarities are correct.
The DIY version of the bus is very easy to solder and to build: no SMD, only Through-Hole components. The silkscreen is very detailed and guides you while placing the components.
Other Eurorack Power Bus sizes are available:
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.
HE-10 Connectors are keyed: no more deadly reverse polarity plugging errors! Even in the dark or deep into your case, don't fear to kill your module by reversing the connector. Don't fear to miss a pair of pins, which generally ends in a nasty firework too.
Always check voltage polarity and module's power connector pinout before plugging anything!
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Martin | June 21, 2021
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