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Subject: Re: [motm] CV Keyboards In NYC

From: Frank Vanaman <fvanaman@...>
Date: 2000-06-01

Hi Y'all

David Bivins wrote (quoting yet another source):

>
> 184 4 note polyphonic keyboard £490
>
> ...There is an arpeggiator with a rate control and four push buttons
> for selecting Up, Down, Up&Down or Random modes. Plus an arpeggiator clock
> input on the rear for connecting to a drum machine or sequencer trigger
> output. There are 4 assign mode buttons for selecting two Unison
> (monophonic) modes and two Poly (4 voice) modes of playing. Next to these
> buttons is a hold (sustain) switch. The bender also has a pitch bend
> sensitivity knob, which should be at 0 when playing the keyboard. The
> transpose switch only has two positions on this model, normal and 1 octave
> down.

Huh! sounds exactly like the keyboard implementation of my Jupiter 4.
I've got a feeling that many if not all of those functions are on a
separate board in my JP-4 as well, so perhaps they used the 184 design
to drive the JP-4, or vice versa.

The mod, by the way, for tapping into a JP-4 to either extract or insert
pitch CVs and Gates appears to be ridiculously simple. I think I posted
a link to the page before--

http://www.synthservices.com/jp4.html

No, I've not done that to my JP-4, as I was happily able to scarf up an
MPU-101 recently. Now all I need is that -440 filter and second -300
osc. Er, and many other things too....

Frank Vanaman