MOTM

After a few people expressed interest, then backed out, I've decided
to repost these at lower prices.  Since the kits are no longer
available, I based my prices on those for assembled and tested
modules.  Which is what these are.  Both units are in excellent
cosmetic, electronic, and mechanical condition.


MOTM-110  VCA/Ring Modulator                   $280
This discontinued module, is no longer available from Synthesis
Technology.  It has two independent sections.  The dedicated VCA
section has a unique reversible gain control.  The other balanced
modulator section, with AC/DC coupling switches and level knobs for
both inputs, can be used as a  ring modulator when both switches are
set to AC, as a second audio VCA with one switch set to DC and the
other AC, and as a VCA to control modulation depth with both switches
set to DC.  While it has several different features that are
unavailable on the smaller MOTM-190, I'm selling mine because I'm
tight on space, and have other signal multiplying gear.
http://www.synthtech.com/motm110.html


MOTM-700  Dual Voltage-Controlled Router      $220
Soon to be discontinued, some consider this to be an extremely useful
and unique module.  Extremely well-designed, each independent section
works with either audio or critical DC voltages, is bidirectional,
and can even switch at audio rates.  With its four LED's, it's also
fun to watch.
http://www.synthtech.com/motm700.html


Terms:  Prices negotiable in U.S. dollars.  Pre-pay or Paypal.  Buyer
pays shipping.

I haven\u2019t used it in awhile, and I\u2019ve moved to a new apt. I217;m noticing now that an octave on my midi sequencer is producing far less than an octave through the motm 650. Microtonality is nice, but I\u2019d like to have this working correctly. I\u2019m very far from expert in such areas, but could the power in this place be screwy? Everything else seems to be working...I think.

Thanks,
Gene

Sorry about the bandwidth \u2013 dumb user alert.

quite blatantly the Partch scale was chosen in the global options....it\u2019s kind of funny \u2013 this is the functionality that led me to the motm 650 in the first place, and I probably was testing this out the last time I used it. I had suspected that the power in this place was faulty, so that\u2019s where I was focused, when it was me all along.

Ah \u2013 all is well now. Thanks for the fast response.

Gene

Check if the 650 is putting out 1 volt higher each octave. A MIDI 
keyboard might be easier than a sequencer for this test.

0. Like Paul said, double check the 650 is set for the 12T Equal Temp scale.
1. Put voltmeter on 650 CV out.
2. Play a note and hold it. Measure voltage.
3. Play the next octave higher. Voltage should be 1 volt more.

If playing an octave up make voltage go up 1 volt, the 650 is fine and 
your problem may be the VCO, a bad cable, etc.. Try a different VCO 
and/or a different cable.

Let us know what happens.

Richard Brewster
http://www.pugix.com

Paul Schreiber wrote:

> a) the power supply has nothing to do with it
> b) how do you know it's the '650, not the VCOs?
> c) are you certain the 12T Equal Temp scale is selected?
> d) there is a small 11-turn white trimmer that sets 1V/Oct.
> Paul S.
>
>     ----- Original Message -----
>     *From:* Gene Schwartz <mailto:implode7@...>
>     *To:* MOTM <mailto:motm@yahoogroups.com>
>     *Sent:* Saturday, April 21, 2007 7:41 PM
>     *Subject:* [motm] Motm 650 not tracking pitch correctly
>
>         I haven\ufffdt used it in awhile, and I\ufffdve moved to a new apt. I\ufffdm
>         noticing now that an octave on my midi sequencer is producing
>         far less than an octave through the motm 650. Microtonality is
>         nice, but I\ufffdd like to have this working correctly. I\ufffdm very
>         far from expert in such areas, but could the power in this
>         place be screwy? Everything else seems to be working...I think.
>
>         Thanks,
>         Gene
>
>

When do 1/8th inch users get a 1650?
JOsh

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com