MF CV Inputs and Patch Bays

[Michael Glaviano]

I've seen a couple of threads that brush against this topic, but I'd like to read something definitive.

I recently tried connecting all the CV inputs on my MF array (101, 102, 103, 105) to a carefully labeled, denormalled TRS patch bay. My thought was that I could use this to route CV signals throughout my MF array and my CP-251 to "program" my system easily and efficiently.

To my dismay, this seems to render my pedals largely non-operative.

It appears that I can run outputs to patch bays (LFO outputs, Carrier Out on the 102, Audio Out on all the MF's, and so on), but that to program my MF array I must pick up each pedal, turn it around, plug in a patch cord, etc., etc.

Can someone a) verify this behavior and/or b) suggest a good workaround?

Thanks very much.

[Lengai]

Michael Glaviano,

Ezratrice helped me set mine up. I have the 251, 351, MF 101-105 (not the BuRF) and 2 patch bays. You can hook up most of the MF jacks to the patchbays which leaves some to be hand-patched when needed. I have an xls sheet that I can email to you so you'll know what all can be hooked to your bays.

[Michael Glaviano]

Yes, please, I'd like to see the suggested list of what I can hook to a patch bay. Please use this email address: michael@nwyure.com

Thanks!

[Lengai]

I'll email you the spreadsheet. Here is the skinny on what CV jacks can be run to the patchbays for each MFs. If the MF isn't mentioned, they will all work.

Some of the plugs on the MFs cannot be setup in the TS patchbays due to the way Moog decided to make them. If you were to have a TS lead plugged into these ports, the pedal would not work properly.

The ones I know of are the following:

Murf: rate, mix, envelope, aux out

Ring Mod: carrier in

The 104 has 5 jacks going to the patchbay in all. There's the Audio In and the (Audio) Mix Out jacks. Then, there are the Delay Out, Loop In, and Loop Out jacks.

That leaves the CV Mix, Feedback, and Time jacks of which all 3 are affecting the sound with the patch cable plugged in so we can not run them to the patchbay. The 104 doesn’t have to have a lead plugged into the front of the patchbay to keep the loop normalled.

Next. We need to configure your TS patchbays properly.
You want to use the 'open' mode for your patchbay except where you are making mults (use parallel mode for those and plug a lead between them on back). Open means that the signal coming into the rear jack of row one plug one is the available on the front side at the same location.

How do you want to solve the Voyager’s Mixer out/Filter in issue. My solution was to go the the Shack and get a trs to two ts 1/4" cables. Plug trs into the voyager and two ts into back of patchbay. Then I always keep a lead plugged into the two jacks on the front of the patchbay to keep the loop active.

[Michael Glaviano]

I received the spreadsheet, and thanks for this most recent write-up. It is looking pretty consistent with what I'm seeing experimentally, but it's very helpful to have a trail blazed.

Thanks, again!