Re: [Doepfer_a100] DIY cv out module to accompany A152 question

From james.husted
Sent Mon, Mar 14th 2016, 23:38

Since we are talking about expansion modules for the A-152, I thought I wou=
ld put a suggestion for achieving something similar with the A-154. I think=
 a good and inexpensive expansion module for the A-154 would be a small pan=
el with 8 jacks that a stand alone A-154 would plug into, that would provid=
e 16 sequentially addressed gate outs controlled by the A-154. Basically a =
gate sequencer instead of the standard A-155. It would be nice if the modul=
e had a header to accept the ribbon from the A-154 and also have a =93pass-=
through) header allowing the connection to more than one module to run in p=
arallel.=20

I have always loved the idea of a =93modular=94 sequencer with all the func=
tions of a classic sequencer broken out into separate modules that could be=
 combined to make a custom sequencer of your own design. With the A-154 as =
the =93brain=94 of the system, you could have expansion modules like this g=
ate out module I just described, a small panel with pots for the CV generat=
ing part (that could be chained for more rows), a 16-position sequential sw=
itch module, and other modules that would connect up. This way you could de=
sign a =93sequencer=94 with as many rows of CV out, Gate outs, Trigger outs=
, or whatever you wanted. It could be as big or small as you wanted.=20

I started to make a system like this with my PGM-4X4 series which can be st=
acked as high as you have cabinet space. in programmer mode, it can address=
 its columns using a internal, very basic, sequencer or manually or via ext=
ernal gates. I currently run two of them with the outputs from a A-152 but =
the A-154 would be a MUCH better controller since it provides clock outs to=
o.=20

I asked Dieter a long time ago about accessing the header on the A-152 and =
was given the pinout (Thanks Mr.D) which when buffered for protection reaso=
ns, can provide a trigger when the A-152 changes stages. This makes the A-1=
52 a much easier module to use when using the CV stage address method. If a=
 add-on expansion module was made for the A-152, adding this trigger out wo=
uld be a BIG plus for me.=20

-James

James Husted, Designer, Synthwerks LLC =95 www.synthwerks.com =95 xxxxx@xxx=
thwerks.com =95 xxxx@xxxxxxxxxx.xxx




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