MATRIXSYNTH


Monday, August 22, 2011

Dave Smith Instruments Mopho desktop synthesizer

via this auction

SN 00650

See Perfect Circuit Audio (RSS) for more.

Yamaha DX7 vintage FM synthesizer

via this auction

SN 4210

See Perfect Circuit Audio (RSS) for more.

Dave Smith Prophet 08 analog synthesizer

via this auction

SN 00884

See Perfect Circuit Audio for more.

Roland SH-1000 monophonic synthesizer

via this auction

See abertronix (RSS) for more.



Rare Vintage Rheem Kee Bass Synth

via this auction

Steiner Microcon Synthesizer


via this auction

"The Steiner Microcon is a complete synthesizer (less keyboard) in a single module. It has its own power supply, VCO, LFO, VCF and envelope generator, thereby combining all of the most needed parts of a synthesizer in one unit.

It can be used with synthesizer accessories such as sequencers, electronic valve instruments, guitar slave-drivers, pitch followers, or with a keyboard. Multiple units can be combined with a guitar controller to form full polyphonic synthesizers at a fraction of the cost normally expected. Combined with a regular synthesizer, it ads an extra 'voice' to your present system.

'Oscillator stability and tracking are the best that state of the art will allow. Numerous inputs and outputs are available on the front and top of the unit. Other signals available inside can be brought out for special applications, and connected to other equipment in a variety of useful ways.'

The Minicon truly packs alot of synthesizer into a small space (which looks to be about 4-inches by 6-inches. There are 8 knobs and 6 switches. The VCO has knobs for course and fine tuning and switches allowing selection of "three waveforms". The LFO has knobs for rate and level and a switch for beat and is available for vibrato. The VCF has knobs for frequency and gain, as well as a switch for resonance. The Envelop Generator has knobs for attack and decay, as well as a switches to enable damp (a quick release decay) and sustain. The VCA is described as a "trigger controlled audio gate". Connections include positive and negative trigger out, VC filter in, calibrated and uncalibrated voltage control ins, a signal out (which "can be paralleled"), and a trigger in. According to the product literature the "beat function causes the VCO to sound like to sound like two oscillators beating together."

The Minicon was rumored to be used as the synthesizer innards of the Hagstršm Patch 2000 guitar synthesizer."

Oberheim TVS-1 Two Voice SEM Synthesizer

via this auction

VINTAGE ROLAND SH2000 ANALOG SYNTHESIZER

via this auction

Korg Microkorg Custom Synthesizer Unique LED's & Wood


via this auction
"This truly one-of-a-kind microKORG is serial #101519. This auction contains the following refinements & alterations:

All 8 'Program' lights & 'Tempo' light have been changed to diffused BLUE LED's.
The Arpeggiator LED (under the Arpeggiator button) has been changed to a HOT PINK ONE (though it almost looks purple, through the lens).
The 'Write' light has been changed to diffused WHITE LED.
The 'Modified' light has been converted to diffused HOT PINK LED.
Entire enclosure is repainted (except the back panel) with dark brown, non-reflective enamel paint (very nice durable multi-coat paint job). This required removing all the electronics during painting, but it was worth the work.
Program Select knob painted flat black enamel to compliment dark enclosure (very nice multi-coat durable paint job).
Black Walnut hand-sanded 3/4" end plates with multi-coat polyurethane finish.
The stock internal 3.3V main supply circuit for the DSP, CPU, RAM, & Analog circuitry has been professionally replaced with a much more robust switching regulator module to insure years of problem free service including overload, reverse polarity, & over voltage protection.
Rigorously tested for months (I have been working on and using this synthesizer for about 5 months).
Many, many custom sounds loaded (easily changeable with included MIDI adapter & Korg Patch Editor software.

All electronic modification work was performed professionally, using an ESD (Electrostatic Discharge) safe workstation, and all replacement LED's are American-Made parts! This synthesizer has been meticulously cleaned & carefully tested."

ROLAND E-MIX STUDIO SP-808EX OVERVIEW


YouTube

Playlist:
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 1/7)
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 2/7) DISCLESS MODE + EDIT / CONTROL SECTION.
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 3/7) DISCLESS MODE + EDIT / CONTROL SECTION CONT.
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 4/7) MIXER SECTION
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 5/7) D-BEAM & EFFECTS
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 6/7) EFFECTS CONTINUED
ROLAND E-MIX STUDIO SP-808EX OVERVIEW (DEMO PART 7/7) SAMPLER SECTION
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