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Message

Re: faceplates and formats

2001-09-01 by grantrichter2001@yahoo.com

Hello All,

The problems with modules is powering them.

One of the design goals of the Wiard mechanical format was to 
allow use of a single module without purchasing an expensive 
power supply and cabinet combination (remember, the only 
design example at the time was Doepfer). I also wanted people 
to be able to remove a module from the rack and haul it over to 
the console to use for track processing and take the power 
supply with it.

There is an advantage to locating the power supply transformer 
away from the modules. Aluminum is a poor magnetic shield, 
and magnetic fields from a local transformer could cause hum 
problems. Additionally, I can overnight a supply to anyone if they 
need one.

The little Elpac wallwarts fit these goals nicely, and are UL listed.

The disadvantages are that lot's of people hate wallwarts, and 
the supply is limited to 250 ma.

Paul Schrieber and John Blacet have fixed upon a 0.156" four pin 
connector. This is an excellent solution for modules in a 
common enclosure, I use John Blacets power distribution 
blocks inside my Frac-Rac enclosures.

I will produce a power cable to connect any Wiard module to the 
0.156" Blacet and MOTM standard. It is just a 0.156" connector 
on one end and a 5 pin DIN on the other and 24" long. You can 
plug it into either a single Wiard module or the power splitter 
harness.

The price is $10 and I can supply them immediately. That will 
bridge the gap between Paul and Johns distribution system and 
the current Wiard scheme.

--- In wiardgroup@y..., alt-mode <alt_mode@y...> wrote:
> > Now, when I say 'form factor', I mean MAINLY the power 
supply 
> > connection and the outside panel dimensions. I DO NOT 
mean jacks, or 
> > even 'look and feel'. I mean it connects to the power harness 
without 
> > adapters, and fits into existing MOTM systems. Different 
knob? Sure! 
> > Color scheme? Whatever! 1/8" jacks? Fine.
> > 
> 
> I agree that we would all greatly benefit from common power 
supply connections. 
> +/-15V power seems to be very common these days from 
several manufacturers.  I'm
> converting my Wiard to use MOTM/Blacet power connectors so 
I can combine stuff from
> the different manufacturers into the same rack or two.  This 
gets rid of the
> multiple wall-wart type power supplies and allows for a bigger 
and more stable power
> source.  You can take advantage of the MOTM 900 power 
supply, 960 power distribution
> board, Blacet PS500 power supply, PSCONN connector board, 
and connector kits as well
> as DIY sources.
> 
> As far as the panels go, I'm not so concerned about the 
common form factor.  Part of
> the charm of the Wiard is in its panels and lay out.  I don't think 
it would work as
> well in the MOTM format.  I find that the constraints placed on 
designers from their
> own module formats creates a diversity in design approaches 
that is very healthy and
> provides different options for the customers. 
> 
>    Eric
> 
> 
> 
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