[sdiy] s612-ax73 cable

[J. Larry Hendry]

I did a search at Digikey where you said you found the connectors.
They have about 10 different 6 conductor with shield cable.   No,
I don't think they were individually shielded (but I didn't look through
each one).  But, the OEM cable was not either.  So, while not perfect,
I think one of those will be good enough.

I use to own one of the VX-90 racks with this on it.  I purchased a S-612
and drive just to try this out.  It is a unique way to get complex waveforms
into the analog synth.  'Cause we all know the 612 just barely qualifies as
a sampler.  But, I think they retained this parallel audio connection all
the way up through the S-900.

Anyway, the bitch was of course, when you used it, portamento functions only
on the internal oscillator and not on the incoming waveform, of course.
But, still it was a fun thing to play with.  If I was going to use it a lot,
I would at least upgrade to the S-700 sampler at some time.
Larry H

----- Original Message -----
From: John L Marshall <john.l.marshall at gte.net>
To: gregory zifcak <zifcak at hotmail.com>; <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, October 23, 2001 7:30 PM
Subject: Re: [sdiy] s612-ax73 cable


Cables are available several ways; a group of conductors, singles or pairs
and a single shield for the whole bunch (most common), single conductors
with a shield for each (hardest to find), and pairs of conductors with
shield for each pair (fairly common). Murphy works overtime. You need six
conductors with six shields. All shields are tied common at each connector.

I looked in Radio Shack Commercial Catalog and Mouser and did not see what
you need. You could use a cable with 6 shielded pairs. Many of the cables
have individual conductors at 22 AWG. I would prefer a lighter cable with 24
or 26 AWG conductors.

John
----- Original Message -----
From: gregory zifcak <zifcak at hotmail.com>
To: <john.l.marshall at gte.net>; <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, October 23, 2001 4:43 PM
Subject: Re: [sdiy] s612-ax73 cable


> i was assuming that in a shielded 6 conductor cable that each would be
> shielded. is this not the case?
>
> greg
>
>
> >From: "John L Marshall" <john.l.marshall at gte.net>
> >To: "gregory zifcak" <zifcak at hotmail.com>, <jlarryh at iquest.net>,
> ><synth-diy at dropmix.xs4all.nl>
> >Subject: Re: [sdiy] s612-ax73 cable
> >Date: Tue, 23 Oct 2001 16:06:00 -0700
> >
> >It is probably best that each conductor be individually shielded. With
one
> >common shield you are inviting crosstalk between the voices. Can you can
> >live with crosstalk between the voices?
> >
> >John
> >
> >----- Original Message -----
> >From: gregory zifcak <zifcak at hotmail.com>
> >To: <jlarryh at iquest.net>; <synth-diy at dropmix.xs4all.nl>
> >Sent: Tuesday, October 23, 2001 2:38 PM
> >Subject: Re: [sdiy] s612-ax73 cable
> >
> >
> > > thanks larry and atom,
> > >
> > > >Pin 1 = voice 3
> > > >Pin 2 = voice 2
> > > >Pin 3 = voice 1
> > > >Pin 4 = common ground / shield
> > > >Pin 5 = not connected
> > > >Pin 6 = voice 6
> > > >Pin 7 = voice 5
> > > >Pin 8 = voice 4
> > > >Pin 9 through pin 13 not used
> > >
> > > so i should just get shielded six conductor cable, two male
connectors,
> >and
> > > connect the corresponding voice pins together, ignoring 4 and 9-13,
> >right?
> > > or do i need 7 conductor to hook up pin 4 as well?
> > >
> > > greg
> > >
> > >
> > >
> > > >The outer metal part of the connector is also connected to ground.
> >That
> > > >should help you locate pin 4 as they are shorted together.
> > > >
> > > >The cable does need to be shielded as it is low level audio.  All
> >signals
> > > >are unbalanced.
> > > >Larry Hendry
> > > >
> > > >
> > >
> > >
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>
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