MOTM

Not to forget, my suggestion of a normal MOTM sized coarse tune knob and
an oversized fine tune with a wider than normal range seems to meet both
requests.

John Loffink
jloffink@... 

> -----Original Message-----
> From: John Loffink [mailto:jloffink@...]
> Sent: Thursday, January 23, 2003 7:41 AM
> To: mate_stubb@...; motm@yahoogroups.com
> Subject: RE: [motm] Re: freq shifter knob
> 
> You're thinking of this as a set it and forget it type setting, which
is
> just one mode.  The other is real time sweeps, wide ranging but with
> fine control.
> 
> John Loffink
> jloffink@...
> 
> >
> >
> > I still disagree. Having a honkin big knob doesn't guarantee that
the
> > pot itself is capable of doing the fine control necessary. Trying to
> > move the pot wiper in smaller and smaller increments causes
> > mechanical limits to come into play, including backlash, friction on
> > the wiper, and shaft wobble. You could find yourself unable to zero
> > in on the 'sweet spot'.
> >
> > Now if you put a multiturn vernier under the knob, I'd agree with
> > you. But it would slow you way down doing large manual sweeps.
That's
> > why coarse and fine are a good idea on both a VCO and a freq
shifter.
> >
> > Moe
> >
> > --------------------------
> > Exactly!
> >
> > John Loffink
> > jloffink@a...
> >
> > > I never thought of it that way, but having one pitch control with
a
> > big
> > > knob does seem advantageous to a coarse/fine setup in that you can
> > sweep
> > > the
> > > full range with just one knob with precision instead of trying to
> > make
> > it
> > > sound smooth using both knobs.. This is a functional reason behind
a
> > big
> > > knob and Im all for that..
> >
> 
> 
> 
> 
> 
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