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 Forum index » Instruments and Equipment » General Discussion
Anyone know of MIDI interfaces bigger than 8x8?
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XpanderXT



Joined: Oct 22, 2007
Posts: 137
Location: the flat universe

PostPosted: Sat Dec 15, 2007 9:47 am    Post subject: Anyone know of MIDI interfaces bigger than 8x8? Reply with quote  Mark this post and the followings unread

I know that MIDI is no long acceptable to most of the dealers so they don't tend to carry interfaces other than 1x1's or the occasional MOTU 8x8 but for those of us with lots of synths and computers it's sucking that no one makes a 16x16 or bigger interface/patchbay.

I have 2 8x8's attached to my computer and have all the ports used and this is fine when I'm using the computer as the master but sometimes I want to be able to use my MPC as the master with it's 4 outputs and 2 in's and I can't route from one patchbay to the other and I don't have the space for the 2x4 i/o of it.

I have an old JLCooper 16x20 patchbay and an older 360 Systems 4x8 patchbay but then it doesn't have the interface portion which makes it a pain when I'm wanting to save my presets to the computer.

It seems my options are to work one way or the other.

Anyone know of a small company who still makes patchbays that are also interfaces?
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jksuperstar



Joined: Aug 20, 2004
Posts: 2503
Location: Denver
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PostPosted: Sat Dec 15, 2007 11:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Many will "expand". The Emagic Unitor/Amt8/Amt4 series can have multiple units on a system upto a total of 128 channels.
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XpanderXT



Joined: Oct 22, 2007
Posts: 137
Location: the flat universe

PostPosted: Sat Dec 15, 2007 2:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

I have an old unitor but I don't think there is a way to connect input 1 on unit 1 to output 6 of unit 2.
It can be routed in the computer just as my current setup with two MOTU MIDI Express XT's can but the isn't a standalone way to have them truely work as a 16x16.
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Nodular



Joined: May 05, 2005
Posts: 80
Location: Milano
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PostPosted: Thu May 29, 2008 7:33 am    Post subject: Reply with quote  Mark this post and the followings unread

XpanderXT wrote:
I have an old unitor but I don't think there is a way to connect input 1 on unit 1 to output 6 of unit 2.

I'd say this is not completely true.
When you have multiple Unitor8 (or AMT8/AMT4), you can connect the first unit to a MAC or PC via USB, the second to the first via serial RS-422 cable, the third to the second via serial RS-232 cable, the fourth to the third via serial RS-422 cable again, and so on, alternating RS-422 and RS-232. This is called "stacking".
Then you may think you got, let's say, 32x32 MIDI ports (if you have 4 units).
Well, sad but true, this is not the case.
Actually you only get 8x32 midi ports (8 MIDI IN + 32 MIDI OUT).
When you connect something to MIDI IN #1 on 1st unit you do can route that MIDI stream to anyone of the 32 MIDI OUT ports.
But if you connect something else to MIDI IN #1 on 2nd or 3rd or 4th unit, those MIDI streams will be routed to the same MIDI OUT port.

I know it may sound confusing....

Here's an excerpt from Unitor8 manual where they are talking about the software you use to configure all your Unitor8.
This is about the graphical representation of the INs and OUTs...

Quote:
You should now see a matrix which represents the available
MIDI In and Out ports. The MIDI Ins are displayed as rows,
while the MIDI Out ports are displayed as columns. If only one
Unitor8 is connected, the matrix contains eight rows and eight
columns, which is an 8x8 matrix.

If several Unitor8 units are stacked, the equal numbered input
ports for each of these Unitor8 units are merged in Patch Mode.
Therefore, only eight independent inputs are accessible.
Accordingly, the matrix always contains eight lines. An 8x16
matrix is displayed if two Unitor8 units are connected, three
connected Unitor8 units yield an 8x24 matrix, and so on.
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