Wednesday, September 01, 2010
Casio Vl-Tone Circuit Bent
YouTube via kenzie2029 | August 31, 2010
"As you can see from my blog, this is not my first attempt at bending my Vl-tone. The first time through was OK, but glitchy. For my top panel I used a piece of stainless steel that unfortunately conducted the current from my potentiometers dropping the pitch. Also at the time, the only wire I had was too thick and stiff to work with. So I decided to rip it all apart and start over. This is what I did.
So here are the mods. I used a little help from Casper electronics, he has a mod sheet that gives you a few patch points and three pots. I ended up only using four of the patch points and all three of his pot mods. I also added three extra pots by externally replacing the VLs internal pots. Then I tested and tested and found twelve other patch points that I liked. So that is from the left all the pots and the black RCA jacks.
As for the white RCA jacks, they function as a switch bay triggered by the switches to the right. The smart observer will notice there are nine switches in the array. One turns the bay into a multiple, the top row (on-off-on) engages the bay or sends it to the switches below. Those switches a attached to capacitors and diodes to further change the sound. The pots about the switch array are part of a home made low pass filter with frequency and resonance. Then there is a volume and reset button."
Tuesday, August 31, 2010
Mattson Mini Modular: Sample and Hold Basic operation
YouTube via mmmodsynth | August 31, 2010
"This is the first in a series of operational videos describing the functions of the Mattson Mini Modular product line of modules" http://mattsonminimodular.com
FAT BASTARD

Anyway, I think Beer has Bernie beat. :) Put some clothes on man!

Again, I think I need an everything label. Some random ones picked...
PhotoNoise
YouTube via JCRUDESS | August 31, 2010
"This one slipped through the radar. It's an app called PhotoNoise. It's my choice to have the keyboard picture, but ANY picture can be used, and the sound responds to touching the various colors on the screen. Very spacey cool stuff here. I hope the developer goes on with this one, because I like this kind of stuff and I want play along!"
iPads on Ebay
Buchla Model Model 281e AND Model 292e
http://buchla.com/
"The Model 281e Quad Function Generator has four function generators organized in 2 pairs. All four normally function independently. A momentary switch selects one of three modes: transient, sustained, and cyclic. An illuminated LED indicates the selected mode. On receipt of a pulse, the output voltage ramps up to 10 volts at a rate determined by the sum of an applied control voltage and the setting of the attack time knob. If in the sustained mode, the voltage will stay high as long as the input pulse is maintained. If not in the sustained mode, or when the input pulse terminates, the output ramps down to zero at a rate determined by the sum of the decay voltage and the setting of the decay knob. At the end of the decay, a transient pulse appears at the pulse output. If in the cyclic mode, the cycle now repeats. The time range for both attack and decay is from .001 to 10 seconds. In the quadrature mode, generators A and B (or C and D) operate in tandem to provide functions shifted by ninety degrees. The mode is selected with a switch and indicated with LEDs. An OR function can be invoked to generate more complex envelopes (ADSR). The model 225e or the 206e preset manager can issue commands to store and recall the 281e's settings. The 281e can respond directly to MIDI signals received by the model 225e MIDI interface.
Korg Poly 800 Electric Keyboard Demo
YouTube via bac4calgravity | August 31, 2010
# Serial #: 033972
For some reason YouTube vids disappear from posts when I use the "Click for more" link, so... no "more" link for this post.
Pan Kat Synth Steel Drum
"Synthesized Steel Drum / Steel Pan... It also has other patches and more than 50 other instruments, but the main deal is the steel pan; it's laid out like an actual steel drum, and the sounds are better than any synth pan I've ever heard. From one side to the other it is 30 inches. Only used twice in the studio.
The PanKat comes with the manual, the stand, power adapter, mallets, and will be shipped in a lined, padded steelpan case. This thing is perfect for recording... no need to "touch up" or find a tuner to play it anytime.
RETAIL on this item was $2100; we purchased it for $1800."
Early ARP Synthesizer Factory Service Manuals

via this auction
"I was an ARP Factory Authorized Service Center in San Francisco during the mid-1970's, and was trained at a factory class in Los Angeles by factory service representative Fred Dodd [Phil Dodds], who played the role of the synth guy in the 1977 film "Close Encounters of the Third Kind". Included are original blue line and blue prints of schematics, factory service notes, my personal notes, advertising brochures and posters, etc. gathered when I had my repair shop in the San Francisco area. Though San Francisco's synth guru John Vierra blew the doors off the competition back then (myself included), I went on the burgeoning field of "Personal Computers" in which I prospered well.
All documentation is in very good to near-mint condition with no missing or unreadable pages. This is my personal collection of service and support documentation from ARP which includes support information for:
* ARP Omni model 2480
* ARP String Synths models 2600-2606, 3620, 2300
* ARP AXXE model 2300
* ARP Pro Soloist model 2701
* ARP Odyssey models 2800, 2810, 2811, 2812, 2813
* ARP Sequencer model 1601
Shipping will be in a 12 x 12 x 6 box weighing about 8 pounds."
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH