Which Switcher?

There are two different MIDI switchers available. They both have the same essential soul (i.e. they share firmware) but differ in the way switching is implemented. There are some pretty specific reasons to favour one over the other for a given application, so I will try to guide you…

Transistor Based

The transistor-based solid state MIDI-Switcher is the original. It is smaller and slicker. It is probably the default choice if you are looking at something like MIDI driven electric percussion.

PROS

CONS

Relay Based

PROS

Disclaimer: Given the potentially lethal danger with working with mains, I advise against this unless you are qualified to work with mains voltages. You do so at your own risk.

CONS

MY ADVICE

Q: I want to make a small/medium sized solenoid-based physical drum machine?
A: Transistors!

Q: I want to drive switch pedals (like guitar amp channel select) via MIDI
A: Relays!

Q: I want to drive some really big continuous loads with this thing (say a big motor)
A: Relays!

Q: I want to switch 12VDC light bulbs and dim them and stuff
A: Transistors!

Q: I want to control a set of mains lamps by MIDI
A: Relays… but see disclaimer above.

I made those questions up. If you have some genuine ones I’ll answer and feature them!