Analogue-sequencer

Sounds good to me Colin. . .

carry on
~Steve



> That's not something I have plans or time to do.
> I'd recommend the Oakley midi/poly DAC if you want to do a custom 
job.
> 
> Personally, I like to keep the CV generation separate from the 
sequencer. I
> have fairly limited studio space and there's enough cabling coming 
out of
> the sequencer already.
> I've used home-built midi to CV conversion for a long time, but 
I've only
> built a couple of units for other people.
> My first CV convertor grew out of the first step-sequencer I built, 
which
> was based on a BBC Micro with 8 CV/gate outputs and a midi 
interface.
> The current source of CV in my studio is my 808/909 clone module, 
but this
> is no longer used for drum sounds since I got the real things, and 
really
> wants to retire.
> I had a case all drilled and ready to take a new CV convertor when 
I got
> round to building it, but recently I've been tempted to move away 
from the
> central midi to CV convertor idea, and midi-fy each analogue synth
> individually.
> This saves the space otherwise occupied by a multi-channel CV 
convertor, and
> means I only have to route a single DIN lead to each synth for 
control,
> instead of maybe a cv, gate, and two or more aux leads.
> Plus it's easier to re-patch a midified synth to a different 
control source
> (another sequencer ? surely not ! ;-))
> And if a CV convertor breaks down, it only takes out one synth.
> 
> First victim of this policy was the 303, which is a special case in 
that it
> really needs an internal midi interface to be able to generate 
exactly the
> right control signals for the anal acid purist (e.g. me), and i 
wanted midi
> output from its internal sequencer.
> Next victim has been my minikorg 700s, which makes a very good case 
for a
> custom internal cv convertor board, since its vco input ideally 
wants a
> linear voltage in the 2.5 to 20v range - try getting an off-the 
shelf CV
> convertor to do that.
> The minimoog is now the only device attached to the main CV 
convertor, so
> its own dedicated convertor will follow shortly, and if I ever get 
my
> modular re-assembled, it'll get a dedicated midi to CV module with 
a load of
> outputs to be patched as I please.
> Putting lots of devices on the same midi bus can lead to timing 
latency, but
> the music I do is pretty minimal, so that's not a major worry. But 
with a
> single midi to CV convertor there would be no way to separate each 
synth
> onto a different midi bus, should a multiple-output sequencer appear
> sometime in the distant future...
> 
> Cheers,
> Colin f