minimoog clone

[Hairy Harry]

TomG is the one who kicked this out into the ether...

Looks like a 3U rack mount panel design. I'd like something
similar to the Chris MacDonald "MiniModular" with a metal
case on the back... but open frame is OK.  I'm NOT looking
forward to soldering a million point to point connections...

OTOH Its much easier to modify if you don't need special
components. And the PCB design is easier too...

(Chris must have torn out half his hair...)

Since you mentioned the ProOne... that is an instrument that truly
deserves a clone. I've always thought a lot of the MiniMoog vibe was that it 
was a BEAUTIFUL looking machine, if outperformed by just about
all others. I'd go for an Odyessy myself, and I'd take the ProOne over
both! But the ProOne suffers from "too cheap" construction. The slide
switches suck, the pots are not much better, and the octave switches
(clever electrical design) have truly shitty feel. But the modulation
section will whup at ss on a Mini or Odyessy.

I like the "card" trick.  I really liked seeing Pink Floyd in concert... 
Rich Wright had a roll of masking tape next to the keyboard, and he taped 
doun the keys, then faded in with the
footpedal (this in "echoes"...)

Re: the switch tops... doesn't anyone like mini-toggles? I hate
slide switches!

H^)  harry


>From: "Goddard, Duncan" <goddard.duncan at mtvne.com>
>To: synth-diy at node12b53.a2000.nl
>Subject: RE: minimoog clone
>Date: Tue, 19 Sep 2000 22:06:58 +0100
>
> >>>>>>Keep the 440 tone if it's easy.
> >>Waste of panel space IMHO...
>
>agreed, tho' it seemed like a nice touch at the time; in practice, one
>always has to tune everything up to some awkward bugger like a guitarist
>with several guitars in different tunings.... or a 'tron. in our case, it's
>usually the samplers that dictate the (live, anyway) "master" tuning, while
>the moogs will sing along quite happily for hours at whatever pitch you 
>tell
>'em to.
>
> >>>>>>A on-off-mom gate switch on the front panel.
> >>Very nice!
>
>bit of card under the key usually does the trick. more often missed out on
>mono's is being able to repeatedly trigger using either the lfo or a
>dedicated clock. I adopted the former for the prodigals and the latter for
>the rogues and the pro-1, with a nice dual-concentric pot for the extra
>clock-rate on the sci, and a pair of led's.
>the rogue has this clock that can go from a pulse every 20 seconds to about
>20Hz, while the original lfo has a x10 range switch so it goes up into 
>audio
>territory. modulating the filter with the "emphasis" right up produces a
>sort of woodblock noise. the trigger can be left routed or applied
>momentarily.
>
> > >>>>>>Add a positive GATE input.
> >>Why do S-trig anyway. All we do is convert to positive trigger, and
> >>its easier to go from positive to S-trig anyway !
>
>I can see the appeal of using a closure rather than a voltage for 
>triggering
>*within* the synth, but it sucks for interfacing, if only because no-one
>else really adopted it. they're both there inside the moog anyway.
>
> > >>>>>>Gate and CV outputs.
> >>I'd like a whole patch panel. Maybe as an accessory that fits a 1U
> >>rack below the main panel...
>
>or adopt the rogue solution- stereo jack sockets.
>
> >>>>>>Hot vco levels so they can overdrive.
> >>OK if you like... I'll turn mine down.
>
>I thought the mini did this already..... the rogue does.
>
> >>>>>>Add a separate LFO, but not if it means losing
> > >>>>>>the vcf control by vco3.
> >
>vclfo maybe? but definitely a separate entity. the yamaha cs30 (and 
>probably
>other cs's) has envelope control routed to the vclfo, and some weird
>retriggering or syncing from the eg's too. or maybe I did that to it....
>
> >>Yeah but where do you fit the extra knobs ???
>
>well, since this is quite a radical redesign already, why not make room for
>four oscillators in the osc section instead of three?
>
> >>>>>Ext CV input gets added to the midi CV. So you can
> > >>>>>transpose on the fly from another keyboard.
> >>If MY synths don't do this trick when I get them, they get modified 
>until
> >>they do !!!
>
>again, I thought the mini was like this already. the prodigal is, and on my
>rogue, it's selectable. after a little while, the synth "forgets" which key
>you pressed and needs reminding to stay in tune, unless the aforementioned
>bit of card is in place. but I mean transposition (which isn't real
>transposition anyway) from it's own keyboard while external cv runs things.
>
>so, if you're going to redesign the thing quite drastically, maybe there'd
>be room for a wee tiny pin-patch, say 8x8. this would allow, in the minimum
>of panel space, lots of weird patching between the various "modules" of the
>mini-clone.... you could add inverters to the eg's and have them appear as
>cv sources on the pin-patch along with keyvolts, the lfo, the pitchwheel,
>one or two of the main oscillators..... ok, maybe 10x10....
>
>would you get a cabinet maker to copy the original box? and then base a new
>front panel on the original too?
>are the knobs and switch-tops still available?
>
>duncan.
>
>
>
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