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Wednesday, December 15, 2021
2012 Macbeth Micromac-R 3 Oscillator Analog Eurorack Synthesizer Module
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Introduction video here
"Ken MacBeth's Micromac -R is a small and yet powerful, full analog standalone synthesizer voice module for your Eurorack modular system. Unlike his competitors it has three voltage controlled oscillators and a classic Moog lowpass filter.
Control only via CV and Gate - No MIDI
3VCOs: VCO1 and 2 have saw, pulse, triangle and sine waveforms and the pulse width can be voltage controlled by external CVs. A low frequency noise with level control is available as well. VCO 1 can hard sync VCO2. VCO3 can be used as a modulation oscillator and can be disconnected from the master CV. Modulation targets are filter cutoff frequency and/or pitch of VCOs1and2. All VCOs have individual outputs, coarse and fine frequency controls, separate CV inputs for controlling frequency and pre-filter level controls.
The filter is a Moog 24dB lowpass filter. Its input is a mixture of all three VCOs and noise. The cutoff frequency can be controlled by the first envelope generator as well as by an external CV. The filter tracking is switchable between off / half / full (0%, 1V/oct and 1.5V/oct).
The envelopes are ADSRs with a switchable release parameter thats time is depending on the decay parameter, just like the Minimoog. The filter envelope can be also used to control VCO2´s pitch what sounds great when VCO2 is synchronized. Furthermore you can invert this envelope´s characteristic. The second envelope modulates the VCA. If an external CV is patched to the VCA the internal modulation is broken up. A momentary button allows for manual triggering of the envelopes
CV in, CV out (1V/Octave), Gate In, Gate out
three CV inputs for VCO 1-3 frequency, two PWM CV inputs 1&2; external audio input pre-VCF, individual outptus for VCO 1-3
CV input for filter cutoff, external audio input pre-VCA, Main-Out
3U Eurorack module, 60HP wide, approx. 75mm deep."
via this auction
Introduction video here
"Ken MacBeth's Micromac -R is a small and yet powerful, full analog standalone synthesizer voice module for your Eurorack modular system. Unlike his competitors it has three voltage controlled oscillators and a classic Moog lowpass filter.Control only via CV and Gate - No MIDI
3VCOs: VCO1 and 2 have saw, pulse, triangle and sine waveforms and the pulse width can be voltage controlled by external CVs. A low frequency noise with level control is available as well. VCO 1 can hard sync VCO2. VCO3 can be used as a modulation oscillator and can be disconnected from the master CV. Modulation targets are filter cutoff frequency and/or pitch of VCOs1and2. All VCOs have individual outputs, coarse and fine frequency controls, separate CV inputs for controlling frequency and pre-filter level controls.
The filter is a Moog 24dB lowpass filter. Its input is a mixture of all three VCOs and noise. The cutoff frequency can be controlled by the first envelope generator as well as by an external CV. The filter tracking is switchable between off / half / full (0%, 1V/oct and 1.5V/oct).
The envelopes are ADSRs with a switchable release parameter thats time is depending on the decay parameter, just like the Minimoog. The filter envelope can be also used to control VCO2´s pitch what sounds great when VCO2 is synchronized. Furthermore you can invert this envelope´s characteristic. The second envelope modulates the VCA. If an external CV is patched to the VCA the internal modulation is broken up. A momentary button allows for manual triggering of the envelopes
CV in, CV out (1V/Octave), Gate In, Gate out
three CV inputs for VCO 1-3 frequency, two PWM CV inputs 1&2; external audio input pre-VCF, individual outptus for VCO 1-3
CV input for filter cutoff, external audio input pre-VCA, Main-Out
3U Eurorack module, 60HP wide, approx. 75mm deep."
Metasonix R-54 Mark II Supermodule VCO/VCF
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"Up for grabs is a R-54 Mark II. NOS US made Sylvania and United tubes."
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"Up for grabs is a R-54 Mark II. NOS US made Sylvania and United tubes."
Moog Sonic Six w/ CV Gate Mod
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"Moog Sonic six, fully functional, WITH CV- GATE MODIFICATION (in the inputs on the right side of the keyboard, 'VOL' is equivalent to Gate)
keyboard completely restored and realigned!
Overall well preserved instrument, panel and serigraphs perfectly preserved.
Defects: the external 'MOOG' sticker is missing, and some slider caps, as you can see in the picture (easily available on ebay from spare parts dealers)"
via this auction
"Moog Sonic six, fully functional, WITH CV- GATE MODIFICATION (in the inputs on the right side of the keyboard, 'VOL' is equivalent to Gate)
keyboard completely restored and realigned!
Overall well preserved instrument, panel and serigraphs perfectly preserved.
Defects: the external 'MOOG' sticker is missing, and some slider caps, as you can see in the picture (easily available on ebay from spare parts dealers)"
Roland System 100 Model 102 Expander
Korg X-911 Guitar Synthesizer Set SN 271532
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via this auction
"Kong X-911. Condition is excellent. All original and very clean. Includes the original Korg FK-5 Foot Balancer panning pedal and S-2 dual foot switch.
Fully functional. It seems to track pretty well once the gain is set properly. It has never been serviced. It may benefit from a calibration, but it is more than satisfactory to my ears. This thing is tons of fun. It was marketed as a guitar synthesizer, but it will accept any analog audio signal. It has the same processing engine as the classic Korg MS-20.
Overall I’d rate the unit a solid 9/10. The Foot Balancer and dual switch are in great shape as well."
via this auction
"Kong X-911. Condition is excellent. All original and very clean. Includes the original Korg FK-5 Foot Balancer panning pedal and S-2 dual foot switch.
Fully functional. It seems to track pretty well once the gain is set properly. It has never been serviced. It may benefit from a calibration, but it is more than satisfactory to my ears. This thing is tons of fun. It was marketed as a guitar synthesizer, but it will accept any analog audio signal. It has the same processing engine as the classic Korg MS-20.
Overall I’d rate the unit a solid 9/10. The Foot Balancer and dual switch are in great shape as well."
Roland TR-66 Rhythm Arranger Vintage Analog Drum Machine
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These are actually pretty small. See this post for reference.
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These are actually pretty small. See this post for reference.
1960's Gibson Maestro Rhythm N Sound G-1 SN 04429
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via this auction
"This is a Vintage 1960's Gibson Maestro Rhythm N Sound G-1 Synth/Effects Unit w/ Original Case! The pictures are of the actual item for sale.
In 1968, the Gibson/Maestro Rhythm N Sound arrived on the scene to challenge and perplex guitarists with its way-way-out “sounds” and absurd features. It has the ability to make both percussion and bass (octave under) and organ (fuzz )type sounds, using the guitar as a controller/trigger. In addition you can get 3 types of filters on the guitar tone and either use them together or separate from the original guitar signal. The Echo preset is really a hard-knee tremolo. The Distortion is not unlike the coveted Gibson/Maestro Fuzz, which has a sort of grinding fuzz sound with no real fidelity. The String Bass appears to be an octaver."
via this auction
"This is a Vintage 1960's Gibson Maestro Rhythm N Sound G-1 Synth/Effects Unit w/ Original Case! The pictures are of the actual item for sale.
In 1968, the Gibson/Maestro Rhythm N Sound arrived on the scene to challenge and perplex guitarists with its way-way-out “sounds” and absurd features. It has the ability to make both percussion and bass (octave under) and organ (fuzz )type sounds, using the guitar as a controller/trigger. In addition you can get 3 types of filters on the guitar tone and either use them together or separate from the original guitar signal. The Echo preset is really a hard-knee tremolo. The Distortion is not unlike the coveted Gibson/Maestro Fuzz, which has a sort of grinding fuzz sound with no real fidelity. The String Bass appears to be an octaver."
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MATRIXSYNTH - EVERYTHING SYNTH
© 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
