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Jim Patchell/MMM Assembled/tested DIY VCF board sale
MUFF WIGGLER Forum Index -> Music Tech DIY  
Author Jim Patchell/MMM Assembled/tested DIY VCF board sale
mmm
I thought I'd post this here for the benefit of those of you that don't lurk further down the index....


The Jim Patchell/MMM Assembled/tested DIY VCF board is now on sale until midnight PST Tuesday Feb 16, 2010.

This filter was designed exclusively for MMM by our own synth DIY guru Jim Patchell. He did a great job!

As many of you know, Jim is now almost totally blind and his DIY days are pretty much done.

I send Jim a portion of the proceeds for every one of these filters I make so, here's an opportunity to give something back to someone who has been a big help to the DIY community.

The details:
FVB= VC Filter Assembled/tested board only= $87.95
FVK= Above board with the WK-9A wire kit and power cable of choice=$102.95

Suffix the FVK with a -6(6P-6P power cable), -4(4P-4P power cable) or a -E (4P-Euro power cable)

For example: the full kit with a 4-pin to Euro-style power connector would be: FVK-E

I'll answer some questions ahead of time since I've been asked them before:

Does it have VC resonance?
A: No. But it can be accomplished by replacing the resonance pot with a VCA.

Are all 3 modes (LP,BP,HP) available simultaneously?
A: Yes.

Does it have 1V/Octave tracking?
A: Yes, for about 4 octaves then, it starts to go flat. There is a 10K MT trim pot on the board for tweaking the response.
There is a seperate input for modulation with a built-in mod-input attenuator connector.

Once again. This is an exclusive MW-only offer so, it won't be on my site cart and you'll have to PayPal me direct to my PayPal account:
mattsonminimodular(at)comcast.net (at)=@

US shipping add $4.95 for up to every four boards.
Everywhere else, add $13.50 for up to every four boards.

When you order, let me know what your MW username is so I can match up orders with usernames.

Tnx guys, you've been great!

Hey! I even have these boards in stock smile

Mattson Mini Modular
mmm
Two days left.

Any suggestions for the next one?
sandyb
mmm wrote:
Two days left.

Any suggestions for the next one?


amplitude follower This is fun!
mmm
sandyb wrote:
mmm wrote:
Two days left.

Any suggestions for the next one?


amplitude follower This is fun!


You guys always suggest the modules I never had full production boards made for smile

But, it's a good one.

Any more votes?

Oh, yeah...One more day on the filter sale. Rockin' Banana!

Mattson Mini Modular
mono-poly
mmm wrote:
As many of you know, Jim is now almost totally blind and his DIY days are pretty much done.


That's really sad to hear.
I always wanted to build his logic and sequencer thing.
But after reading this i'm afraid it won't happen.

confused

http://www.oldcrows.net/~patchell/synthmodulesII/index.html

Maybe you can ask him about this George?
zthee
mono-poly wrote:

confused

http://www.oldcrows.net/~patchell/synthmodulesII/index.html


Wow! That page just gave me the worst idea I've ever had! This is fun!
mono-poly
Zthee hopefully we can get it done one day.
I know Jim got the pcb desings etc maybe George could help getting those.
Adam-V
Very cool idea. It' s quite Lunetta-esque. There was some talk a while ago over on e-m.com about boolean sequencers. I've often wondered why there weren't more synth modules with basic gate/counter functionality available.

Cheers,
Adam-V
zthee
Adam-V wrote:
Very cool idea. It' s quite Lunetta-esque.


That was my initial thought as well. And it wouldn't be so hard to put something similar together with a bunch of 4000-series chips.

I did some basic sketches, 1 section should consist of the following:
1 x pulse divider
1 x logic = A, B in - AND, NAND, XOR, OR outputs
1 x shift register
1 x S/R latch
1 x inverter
1 x ripple counter
1 x mux
1 x demux
1 x row of 8 knobs - with a mux that selects the value. And then build 4 sections.

Think I should head over to the sequencer concept thread..
mono-poly
Cool i wonder what you come up with!
In Serge format?

w00t
zthee
mono-poly wrote:
In Serge format?

w00t


But of course! 8_)
DGTom
Adam-V wrote:
I've often wondered why there weren't more synth modules with basic gate/counter functionality available.


My thought is how many people actually work / want to work in this way? My plan is to eventually have about 2 panels of dedicated multi-function logic stuff, basically so I can patch differant kinds of sequencers together as needed.

zthee wrote:
Think I should head over to the sequencer concept thread..


Please do! grin
mono-poly
Yeah i really love the idea and it would make an awesome noodle machine i guess.
Put it over to the sequencer concept tread!
mmm
I was thinking about just putting a module together that was just a bunch of basic boolean gates as a "noodling" module.

I think it would be fun to play with.

Think people would embrace something like that? It would be easy to do.

You guys could always email Jim. He uses Dragon and "Say it" to read..'er speak his emails.

He can still see well enough to walk. One eye lets him avoid things.

@mono-poly...resistance is futile. No, I mean the resistance I needed for the 10V has been determined. Getting prepared for the big presentation tomorrow but, will finish up Thursday This is fun!

Mattson Mini Modular
ach_gott
mmm wrote:
I was thinking about just putting a module together that was just a bunch of basic boolean gates as a "noodling" module.

I think it would be fun to play with.

Think people would embrace something like that? It would be easy to do.


Errrrrrr...

As the kids used to say: like, totally! I'd buy a few of those. thumbs up
mmm
ach_gott wrote:
mmm wrote:
I was thinking about just putting a module together that was just a bunch of basic boolean gates as a "noodling" module.

I think it would be fun to play with.

Think people would embrace something like that? It would be easy to do.


Errrrrrr...

As the kids used to say: like, totally! I'd buy a few of those. thumbs up


LOL,

OK, I'll put it on the list after the sequencer, VC Dual LFO, Quantizer, Utility 2, Handicon and assorted control attachments to the handicon. Let's see, that would make it Utility 3.

I'm so original with naming modules smile

With my ability to pun, one would think that I could do better.
pugix
Be sure to check out Ken Stone's boolean logic modules for reference. I have a Quad Logic Gate with an XNOR chip. It's great for converting analog to pulses and for inverting pulses, as well as digital ring modulation.

http://pugix.com/synth/catgirl-synth-pulse-divider/

BrideChamber has a nifty 5U panel that collects a bunch of CGS logic.

http://www.bridechamber.com/bridechamber.com/C_Analog_Comp.html
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