Emu XL-7 & MP-7 User's Group

On 12/5/02 4:28 AM, "john_b_32712" <john_b_32712@...> wrote:

> Hello all!,
> First posting here.... Perhaps Im daft, but im havin the darndest
> prob tryin to sequence chase my sp808ex to my MP7. Since my 808
> doesnt have a deadicated thru, I must switch the out over(to thru)
> internally. When I do this the MP7 lox up and produces the most
> anoying sound you ever heard when a pad is hit. I had the same
> occurance happen when I had a MC307(before sent to eBay heaven LOL)
> its midi channels started at 17(?!), but it had a omni setting(<old
> tech aint it?) so it was cool to run with the likes of Sonar. No such
> animal with the 808ex and have tried different channel combos and
> sysex numbers. Any suggestions, or am I just over looking the obvious
> through a cloud ov BudLight?

Seems you have formed a MIDI feedback loop.  Post you configuration info if
you'd like, including hookup to confirm.

Here's what I am guessing is happening.  You have the output of the MP-7
going to the input of the SP808 and the output of the SP808 going back to
the MP-7.  There might be some things in-between but the gist of what I am
suspecting is that somehow the MP-7 own MIDI output is finding its way back
to its own MIDI input.  This will produce a type of feedback situation if
the settings are a certain way on the MP-7.

Why are you requiring the MIDI-THRU on the SP808?  Which instrument is set
to be the master clock, the MP-7 or the SP808?

One thing to be aware of with soft-thru's, which is what the SP808 has.
When you switch the MIDI out to be a thru you loose the SP808's ability to
send *any* MIDI information while it is in that mode.  There is no internal
merging of the internal generated SP808 MIDI  (pad hits, D-Beam, knobs) with
the incoming MIDI.  all that gets to the MIDI outport when the SP808 is in
THRU mode is what is at its input port.

if you are not using the SP808 and the MP-7 with any other MIDI gear than I
suggest that you do not need or want to use the MIDI thru.  If you are
driving other modules from the MP-7 then I suggest you place the SP808 at
the end of the MIDI chain (from the MP-7's output) and then connect it's
output back into the MP7, if you want the SP808's pads and controls to be a
controller to the MP-7.  If you need anything more complicated than that
send some info about what your trying to accomplish and we'll see what we
can come up with.


drk

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