[sdiy] Frankentron Update
frankentron at hotmail.com
Fri Jun 14 05:18:41 CEST 2002
My Frankentron modular is starting to take shape despite 2 layoffs, a
relocation, health problems, and severe debts. It really is sooo nice to
finally be able to play this interesting and inspiring instrument which was
just a dream a while ago.
today I completed the 4 channel stereo mixer module so here is the tally of
functional units so far.
4 channel stereo mixer.
AD633 Ring Mod.
Blacet Time Machine.
Dual Synthacon VCF.
Dual Moog VCO.
Divider/Multiplier. (on breadboard but working)
Moog style LPF + Env. Follower.
Power Supply (this unit contains the Midi to CV converter, a lag generator,
an inverter, and an amplifier with variable gain to +15)
the Time Machine adds a VCLFO and Env. Follower. I modded the unit to output
these to patch points.
up till now I have been using the LFOs, EGs, and other modulators from the
Minibox Modular system. I plan to redesign these and build them into frac
format for Frankentron. so here is my todo list.
Parametric EQ (on breadboard).
MS20 VCF. (PCB complete)
Dual SEM VCOs. (will substituting a 3046 work?)
Analog shift register.
Sequencer (many ideas for this on paper so far).
Waveshaper (haven't decided which one to build yet).
More Lag Generators!!! (possibly Serge type).
redesigned EGs and LFOs.
I might give in to peer pressure and try building a LP Gate ;-)
After these are complete I am giving up on the frustratingly limiting and
flimsy fracrac. it was a BAD idea. next system will be in a much larger and
stronger format. now that I can laser etch my panel graphics I am thinking
about designing my own panel system and having the panels anodized in
something other than black. the next modular will have a cosmetic as well as
sonic personality. metal knobs would be nice too ;-)
Thanks to the following for ideas and enlightenment I got from their
schematics and discussions.
and thanks to the rest of the list members for suggestions, advice, and
putting up with my ignorance.
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