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Post by feijai on Oct 25, 2023 22:24:54 GMT
I may be in the situation of having multiple MASTER I/O modules. I know you shouldn't put two *powered* MASTER I/O modules on the same bus. But can you stick a second MASTER I/O on the the bus solely powered by the first one, perhaps to use its Audio and CV ins? Or is that just crazytalk?
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Post by MikMo on Oct 26, 2023 7:26:34 GMT
In your case using the 4 I/O module would be much better and cheaper
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Post by feijai on Oct 26, 2023 7:34:06 GMT
Can't be cheaper than $0.
I could run the Master on independent power and tie it to the bus via ground; but is it possible to run it off of bus power?
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Post by robertlanger on Oct 26, 2023 7:44:25 GMT
Can't be cheaper than $0.
I could run the Master on independent power and tie it to the bus via ground; but is it possible to run it off of bus power?
Yes, no problem to do that. You can still use the I/O sockets and the MIDI-to-CV is working too.
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Post by feijai on Oct 26, 2023 7:57:44 GMT
Can't be cheaper than $0.
I could run the Master on independent power and tie it to the bus via ground; but is it possible to run it off of bus power?
Yes, no problem to do that. You can still use the I/O sockets and the MIDI-to-CV is working too. !!! Just to make sure: if I attach both MASTER I/O units to the bus, but only power one of them, that's the configuration we're talking about. You can really do that?
Wouldn't incoming MIDI on the second unit create coflicts on the MIDI bus?
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Post by admin on Nov 4, 2023 4:43:01 GMT
Wouldn't incoming MIDI on the second unit create coflicts on the MIDI bus?
While you can have two master modules and use both for CV and audio I/O, you can only use MIDI on one of them, otherwise you will get conflicts on the bus.
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Post by feijai on Nov 5, 2023 13:52:57 GMT
While you can have two master modules and use both for CV and audio I/O, you can only use MIDI on one of them, otherwise you will get conflicts on the bus. I'm thinking of attaching both of them to the bus but only attaching power and ground on one of them. Then I set them to different midi channels and use a trs splitter to split the midi. I think that should allow me to extract midi on two channels in the same system. It's why I was wondering if you could power a master I/O from the bus.
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Post by solipsistnation on Nov 5, 2023 17:28:05 GMT
The bus carries the CV and triggers generated by the MIDI convertor. If you snipped a couple of lines on the cable going to one of the master modules to isolate it from the actual bus signals it would work-- the master with the unmodified cable would feed into the bus and you could use the bus connections on individual modules for that midi channel. The master on a second MIDI channel with the snipped cable would need to be patched in directly from the patch points on the module.
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Post by solipsistnation on Nov 5, 2023 17:28:52 GMT
While you can have two master modules and use both for CV and audio I/O, you can only use MIDI on one of them, otherwise you will get conflicts on the bus. I'm thinking of attaching both of them to the bus but only attaching power and ground on one of them. Then I set them to different midi channels and use a trs splitter to split the midi. I think that should allow me to extract midi on two channels in the same system. It's why I was wondering if you could power a master I/O from the bus.
Right, that, yes. You described that in fewer words than I did. 8)
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Post by feijai on Jan 19, 2024 10:33:37 GMT
So some further testing with my MASTER I/O R2 (I also have an R4).
You can in fact power the R2 on the bus from the R4. However the R2 MIDI will not work properly, even if the R4 isn't doing MIDI at all. You get about an octave of MIDI out and then nothing. It works fine if it's independently powered of course (power bus disconnected).
So my dreams of two separate MIDI busses has gone up in smoke... :-(
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Post by feijai on Feb 13, 2024 23:55:30 GMT
My MASTER I/O R2 is now no longer producing Bus CV from MIDI. It's broken! Gate still seems to be working. I suspect it's due to the previous experiment powering it from the bus.
I must recommend to everyone to NOT power a MASTER I/O from the bus. Or, like me, you'll be pondering whether to buy a new one.
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