Beat707 XT Prototype

via Beat707.com
"Beat707 XT first prototype pcb. 16 faders, 6 encoders, 4 buttons+leds for selection. No Arduino needed, just plugs into your original Beat707 I2C (TWI) interface. (4 wires, including voltage and ground) Soon we will release videos of it.

We should also mention that this is the exact same width of the Beat707 device. So it will follow the 16 step-buttons positions for the faders. The Beat707 XT allows you to use it as a Mixer or for the S1/S2 tracks in an Analog Style Step Sequencer. (see the other YouTube video for an example)"

Beat707 BigTime

YouTube Uploaded by beat707videos on Jul 21, 2011

"https://github.com/Beat707/Beat707-BigTime

This turns an ATtiny85/45 + 7-Segment 4-Digit Clock LED into a Beat + Measure display that connects to the Beat707 unit using only 4 wires. (TWI / I2C - SDA, SCL, Ground and 5V+)

Hardware used: ATtiny85 (using its internal Oscillator) - CD4067 Multiplexer - C595 Shift Register (serial input - 8 x parallel output) - 82 ohm resistor - 4 digits 7 segments LED clock display - ISP programmer (Arduino as an ISP device or USBtinyISP)

The great thing about this is that it doesn't hog on any of the free pins, it uses the shared I2C/TWI interface, which uses 4 wires and can have multiple devices sharing the same interface."

ARP 2600 synthesizer + 3620 keyboard

via this auction

Includes original owners manual, original ARP 2600 patch book.

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Kawai Synthesizer-100F

via this auction

patch overlay

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Vintage ROLAND AP-2 Phase II

via this auction

"The Phase II is the smaller, stripped down version of the Phase Five. It has a very pretty, high-quality phase shift--very different from a Small Stone or a Phase 90, but still classic and 70's sounding."

KENT K-2200 Rhythm System

via this auction

"The K-2200 is a unique 70's rhythm box because it has a decay knob, which sounds especially nice on the kick drum. This Kent is extra special because it was modified (by Switched On Music Electronics) with trigger inputs for the different sounds. Mated with a modular synthesizer, you get nine vintage drum sounds accessible via patch cables. Triggering at audio rate is especially interesting."

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REALISTIC Metronome Analog Drum Machine with Mods

via this auction

"The Realistic Metronome may look like an answering machine, but it has all the thump and hiss of other vintage rhythm boxes. This one is special because Switched On Music Electronics added trigger inputs for the individual sounds and knobs for pitch and decay. Since this rhythm box operates internally on 10v, trigger sources must be greater than 10v to trigger the sounds. There is also a clock output, to help sync the preset rhythms to your music."

Electro Harmonix Super Space Drum

via this auction

"The SUPER Space Drum is an improvement on the simple design of its not-so-super relative; it has modulation, which goes into the audio range can be added or subtracted from the pitch. There are two trigger inputs and a switch to choose two decay settings. This thing is a blast--it clangs, wobbles, and shrieks."

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M.P.C. The Kit with Original Box

via this auction

"The Kit is a very rare little percussion synthesizer. The kick, snare, and toms sound a lot like an 808, while the cymbals remind me of a Roland CR-78 or a Boss DR-55. The sounds can be adjusted via trimpots on the bottom of the unit (see photo), making the kick capable of Miami Bass style 808 booms or flat thuds. The Kit also has a sequencer for the hi-hat sounds, giving you a ton of different patterns in different time signatures."

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Star SYNARE 3 vintage analog percussion drum pad synth

via this auction
"The Synare was the most popular stand-alone drum synth during the 70's and 80's. Every pop music cover band had one, mostly for the classic pee-oooh disco laser sound. However the Synare can get much crazier. It is a two oscillator monosynth with a nice filter, white noise, and two fast envelopes. One oscillator can FM the self-oscillating filter for great metallic sounds. The fast envelopes with filtered noise make for awesome blasting snares (Gary Numan used that sound to nice effect). The Synare 3 can even approximate an 808 cowbell by de-tuning the two oscillators. Endless fun."