Analog Rytm + Eurorack relaxed Jam

Published on Jan 8, 2017 TheKraist

"This time something more relaxing!"

How to play the synth parts to Rush "The Camera Eye"

Published on Jan 7, 2017 Michael E Caloroso

"The song is easy to play, but the sounds are a challenge! I know that one part is a GUITAR but I played it anyway. When Rush recorded the song, Geddy Lee had the Oberheim OBX, his Oberheim eight voice SEM, Minimoog, and Moog Taurus pedals.

After much experimentation I nailed the sounds with OBX, Taurus pedals, and OBSX (which they didn't use but is a worthy contender for the sounds of the era). The Oberheims have a HOLD feature - as you play the notes in the intro, I'm pressing the HOLD button and they sustain without the hands. That leaves one hand free to play the S&H part.

I'm just playing through a tiny Barbetta amp and the iPod camera mic picked up the Taurus bass timbres better than I expected...!"

Radikal Technologies Accelerator demo: Cinematic pads

Published on Jan 7, 2017 MIDERA

"Just trying to dig deeper into the sound engine of the Radikal Technologies Accelerator. There's far more underneath the hood of this thing than it seems. No other effects (aside from EQ and some volume adjustments) were used. Reverb/Delays are from the Accelerator."

Moog Source SN 3243 w/ Spare Panel Membrane

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via this auction

"Moog Source analog mono synth
recently serviced by professional
everything works!
Sounds AMAZING
Comes with spare membrane for the future!"

Note this one was previously listed back in 2013. It had the little blemish under OSC 1 back then as well.

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Emu Emax 1 SE Rack Sampler w/SCSI2SD OLED Display SN 0680192

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via this auction

"Emax 1 SE rack mount analog sampler
SCSI2SD installed - 4 "drives" on one SD card with 35 banks.
Loads entire banks in around 2 seconds
Blue OLED display installed. Pads had been lifted from a previous attempt so the display has been wired in. Works perfect, just full disclosure. Was done professionally
Missing one slider cap, and power button cap
Sometimes there is a faint clicking from inside, it has been traced down to the power connector, which is a press fit style of wiring. If I press the wires back in with a small screwdriver the clicking goes away - it could easily be replaced with a new soldered connector easily enough.
The SCSI2SD is installed internally, but routed to the front with a thin ribbon cable to a full size SD reader, it's on the front with a 3M command strip which could easily be removed without damage to the front panel.
I will include a 3D printed case for the SCSI2SD in case you wanted to install it internally with a slim floppy drive. I like this system, easy to use full size SD cards.
SOUNDS GREAT! 8 Analog SEM filters. Full control through sysex and CC.
external SCSI connector installed but not hooked up internally.
Some small marks on the front panel, see photos.
Some screws are not firm, par for the course for something this old and easy enough to rectify with new screws."

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1980's Crumar DP-80 Dynamic Piano w/ Filter Section

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Crumar DP-80 (Circa 1983) Published on Sep 17, 2012 JESIΛH

"Just demoing my new keyboard. Its a very rare Crumar DP-80 suitcase keyboard. Circa 1983."

Update: demo of one above in via Steve Hofer.

via this auction

"This particularly rare Crumar is a 73 key Italian-made synth produced in very small quantities from 1983-86 with a warm and nuanced tone. The keyboard features built-in tremolo, as well as a "Free Filter" section and six preset buttons. All functions work as they should, and this keyboard comes complete with the original music stand and expression pedal."

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ARP 2600 Complete System Mk1

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via this auction

"Arp 2600 Mk1, the famous 2600P version grey/black with Moog filter
It's the release most wanted about its awesome filter and feauteres.
It has its native keyboard, transport cover lids, original manual and original patch cables
For sure the best Arp I have seen, Near Mint, NOT modified, really genuine and valuable along the time."

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Yamaha FS1R SN PIO1290

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via this auction

"For sale is a Yamaha FS1R rackmount FM/Formant synthesizer. This is a beast of a hardware synth, with formant capabilities that aren't found in any other rack synth of its type. It also has an excellent digital effects processing engine and a really cool filter as well..."

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Rare CASIO Casiotone FK-1 PEDAL BASS SYNTHESIZER

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via this auction

You don't see these often. In fact, I believe the Casio FK-1 has only been mentioned here on MATRIXSYNTH once back in April of 2008 in this post on the Casio Symphonytron 8000.

Curious what these sounded like. I did a quick search on YouTube but couldn't find any demos. If anyone out there knows, feel free to share.

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Moog Modular 15 Clone, MOS LAB SYSTEM 8A

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via this auction

"System consists of the following.

1 x Case & Power Supply

1 x 921 Module is a control voltage processor wich runs associated 921-B oscillators through internally wired connections.
Two voltages are generated : One for frequency control (3 Inputs) One for rectangular wave duty cycle control (2 Inputs)

2 x 921-B module provides 4 waveshapes : Saw / Triangle / Pulse / Sine
Frequency : semi-fine tune over 2 octaves. Picth selection over 5 octaves + LOW position
2 linear modulation input : A.C Modulate / D.C Modulate. 1 Synchro input

2 x 911 Envelope Generator
This module produces a single voltage contour whose time/voltage variation is determined by pot T1, T2, T3 and a time constant sustaining level pot (Esus).
​T1 : Rise time 2ms to 10sec
T2 : Initial Decay Time 2ms to 10sec
T3 : Final Decay Time 2 ms à 10sec
Esus : sustain 0 to 5.5V

1 x LP Filter
Fixed control voltage, Frequency Range (about):
1- 1Hz to 5kHz
2- 4Hz to 20kHz
3- 16Hz to 80kHz
Regeneration : Resonant peak will break into oscillation at clockwise settings of the regeneration pot 3 modulation Inputs.

1 x VCA
902 VCA module is a differential Input / Output circuit which a gain of 2 (6dB)
​Switch for select between Linear mod or Exponential mod
3 modulation inputs"

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