NINA, motorized analog synth from Melbourne Instruments

Anyone tried a MIDI Solutions Quadra Thru from an OT to the NINA? It doesn’t work. I tried my 2 other devices (Kenton MIDI Thru and a Midisport 2x2) and it worked flawlessly.

I always had problems with unpowered midi splitters etc. The midi solutions stuff just doesn’t work with everything.

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Anyone else has experienced that Nina doesn’t play any sound until you change a Preset? Happends from time to time regardless of a powercycle.

I knew that (from past experiences) but I’ve been told on this forum that the OT was ok with the MIDI Solutions. I should have listened to myself and bought a Kenton instead. I’m wondering why, though, cause it’s working for something like Program Change with my pedals. Weird. I’ve wasted the night troubleshooting.

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I’m sure you’re aware of this stuff already, but just in case…

First of all, not all devices provide MIDI phantom power via the DIN ports; so, if the LED on the MIDI Solutions box isn’t lit, it’s not working.

What might be less obvious, however, is that the older MIDI Solutions boxes require standard 5V power (that is to say, 5V used to be the standard), but a lot of modern devices adhere to the newer 3.3V standard. To that end, if the LED on your MIDI Solutions box is red, it’s of the older 5V varietal, and therefore won’t work with 3.3V phantom power; whereas, if it’s blue, it should work with the new, lower voltage standard.

Cheers!

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I’d love to get my hands on one of these but it’s out of my budget. These glowing reviews aren’t helping!

I knew about the phantom power thing, but not about the standard changing. That explains a lot!

Oh this is probably in the documentation somewhere but I’m too lazy to look - can you rack it?

No worries.

It’s also worth mentioning that 8th-inch TRS-to-TRS MIDI and TRS-to-DIN MIDI dongles cannot provide phantom power.

Cheers!

The M’s filter is amazing, but it really could have used the optional gain control cell in the feedback path. That makes a huge difference with ladder filters, and the SSI2144 in general. I added it to my 2144 filter, and it was night and day. Preserves a bit more bass, and really smooths out the resonance range to be a more effect slope over the control range. I really wish they had done it. The way it’s implemented in the M is still quite beautiful sounding, but it does take a touch more effort to dial it in just right when designing your sound.

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That is such a nice sounding synth!

Thanks for your reply. I always appreciate technical infos. It was lit and blue (the newest version that requires less V). That’s the weird thing, the NINA didn’t respond to any MIDI messages. The moment I’ve switched the my Kenton MIDI Thru, everything worked.

Off the top of my head, I don’t know why that would be.

:thinking:

Sorry, Tchu, I’m at a loss.

Cheers!

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I’ll ask Melbourne Instruments to see if they have a clue. Thanks again!

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If you figure it out, I’d be curious to know…

Cheers!

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A little exploration I did last night.
One Layer of NINA only.

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Here’s the reply from MI about the MIDI Solutions Quadra Thru :

My name is Connor, I’m one of the engineers working on nina.

Thanks for your email, so glad to hear you’re enjoying nina! and sorry for the slow reply.

I’ve not ever used the quadra thru, but we have had another user saying it doesn’t work for them either. It could be something to do with the voltages/it not being as powerful, but without taking it apart and working out how it works I cannot say for sure.

I’ll keep you posted if I learn anything more though

Thanks again, Connor

This is where my knowledge runs aground, and I don’t know how this stacks up against other MIDI splitter boxes, but maybe ask Connor if this might have something to do with it…

From the Quadra’s literature: “Active circuitry cleans up any skewing of MIDI data bits that has occurred at the input…”.

Cheers!

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That’s what happens when you try and ween the data bits off drugs and they don’t know how to function anymore. Search party for data bits inside of NINA, all hands on deck.

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:drunk:

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