Midi noise *increases* with each connection

Morningstar Gear MIDI Controllers
#1

I’ve searched the forums and seen reference to MIDI noise and I’ve worked through as many issues as I possibly can, but I’m stumped. Every time I add a midi device to my MC8 there is an increase in MIDI noise, most noticeable with my expression pedal.

My setup:

MC8 → ML5 → CB Preamp → Walrus R1 → Strymon Iridium (w/ opto-isolator cable)

Additionally,

Aux 1 & 2 - Analogue Endeavors multi-switches
Aux 3 - Moog expression pedal
Aux 4 - MIDI TRS Empress Echosystem (not adding any MIDI noise)

I’ve tried as many configurations as possible. They each have minimal (though audible) noise and it stacks every time I add a connection, regardless of order.

Any ideas?

#2

What’s powering all of this? Does your power supply give you isolated power outlets?

#3

Forgot to mention that. Yes, isolated power using Voodoo Labs Pedal Power 3 Plus

#4

SOLVED: I switched out one of the connecting TRS cables (not MIDI) and it took care of it. No more switching and clicking.

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