[sdiy] How Many Oscillators?

[Steven Allen]

Roman wrote:
> 
> ---- Wiadomo6f Oryginalna ----
> Od: "Cornutt, David K" <david.k.cornutt at boeing.com>
> Data: Fri, 26 Sep 2003 11:51:11 -0500
> Temat: RE: [sdiy] How Many Oscillators?
> 
> >Form factor, power, and patch cord connector types
> >all play into it.  For starters, I'm limiting myself
> >to the MOTM form factor, although I'll probably break
> >that rule soon as there are some Blacet and PAIA things
> 
> I'd say you're lucky if you have chosen one standard.
> I made my modular taking big care in choosing size,
> voltage, connectors, layout etc. and now I see it was
> sometimes wrong, so my next modular (just made new lovely
> cabinet last weekend) would be a bit different.
> Not totally different because I'm stuck now with
> previous designs, but "face-lifted"
> 
> >I'd like to have; I'll probably mount those up with
> >adaptor panels.  For power, initially I'm sticking
> >with +/- 15V and MOTM distribution boards, but there
> >are some modules that require +5 for logic so I'll have
> 
> you can always add 5V regulator on the module and still
> use +/-15V power cable. If more power is needed,
> you can mount additional 5V power supply and separate
> cables to the modules requiring that
> 
> >difficulty... I have a grand plan to eventually build some
> >universal power supply boxes that include all of +/-15V,
> >5V, and +/-12V (the latter is what a lot of the European
> 
> You can add small PCB with 12 regulators and put it
> in heatshrink on the power cable for each 12V module.
> Or right at the power connector. Then you need only
> 15V power supply.
> I do that with my old 9V ones. Yes, 9V was one of
> the stupid things I came up...
> 
> >oscillators could be full range -- continuously sweepable
> >from a few cycles/minute all the way to 20 KHz.  But I
> >recognize the practical limitations of building such a thing.
> >We're talking tuning and scaling across 20 octaves...)

 I agree with the following, simple oscillators and lots of 'em..
 
> IMHO if it makes sweet noises, but changes timbre every
> 2 octaves due to tuning/scaling problems, it's good to me.
> I'd use digital synth if I wanted it so boring perfect.
> My quad VCO isn't even temperature compensated and still
> very usable.
> 
> Roman
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