Tuesday, November 08, 2022
Modor DR2 OS007 Firmware Upgrade - Parameter Locks!
video upload by Modor Music
"New firmware upgrade OS007 for the Modor DR-2, introducing parameter locking. https://modormusic.com/dr2os007.html
0:00 Introduction
0:31 Parameter locks
1:05 Remove parameter locks
1:16 Tonal bassdrums, basslines
2:23 Why is there a new bootloader?
3:30 Installing firmware upgrade
5:26 Installing bootloader upgrade
6:30 Thanks for watching!"
"There is only one single new feature, but it's not an unimportant one: parameter locks! What's that?
A parameter lock sets a value for a certain parameter on a certain drum hit in the sequencer. They are used to program variations of synthesis parameters inside a drum pattern. Programming (or recording) a parameter lock is very simple: keep a step button pressed in the sequencer (1...16) and turn a knob. Now the drum hit on this sequencer step has that altered parameter, while the next drum hit returns to normal.
Note that a parameter lock doesn't necessarily have to be at the beginning of a drum hit. You can also put one on a grid step somewhere halfway a drum hit to alter the sound at that moment.
Also note that you aren't limited to one parameter. You can program parameter locks for different parameters, even on a single sequencer step.
Want to remove a parameter lock? Keep the step button down while pressing NO(/EXIT)."
Roland SYR-E84 84HP Eurorack Case
via this auction
This is a supporting member listing.
"Spectacular performance, you can mount them on top of each other, as shown in the second photo (modules in photo not included.)"
Macbeth Micromac D
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"This Macbeth X-Series Micromac D fully analog synth is in excellent cosmetic condition, it works as it should, no functionality issues. It has seen very light use.
This is a rare synth, was made in the UK out of production, and hard to come by. Built like a tank. Solid enclosure and solid controls. No cheap Chinese plastic components here.
“The fattest vintage sounding desktop analogue synthesizer available.”
Sold with its power adapter for 220v.
A masterpiece by Scottish synth designer genius Ken Macbeth, this is Ken’s take on the classic Minimoog Model D concept of a 3-VCO synth with a 24db ladder filter.
Ken Macbeth is - besides Wowa Cwejman - the best boutique analog synth builder of our time, doing everything the old-school way of through-hole solering. This is true analog!
The sound that his synths deliver is simply out of this world and the Micromac D is no exception. Despite its desktop size it packs a heavy punch. Seriously - in terms of sound this is as good as it gets.
Here are the specs:
3 x 1v/octave tracking voltage controlled oscillators.
Oscillators 1 and 2 featuring 4 waveforms: sawtooth, square, triangle and sine. oscillators 1 and 2 feature pwm control inputs.
Oscillator 3 featuring 6 waveforms: sawtooth, square, triangle, sine, ramp and lower frequency noise.
Oscillator 2 can be hard synchronized to oscillator 1.
Oscillator 3 can be used as a modulation source, both in the audio range and the low frequency range. oscillator 3 can be used to modulate oscillators 1 and 2 as well as the voltage controlled filter. oscillator 3 can be disconnected from the main controlling cv.
Oscillators 1,2 and 3 feature separate control voltage inputs for external control sources.
Oscillators 1,2 and 3 have separate audio outputs (pre-mixer) for external proccessing in other systems.
Oscillators feature separate attenuated volume controls into the filter.
Oscillators 1,2 and 3 feature both course and fine tune frequency controls that have a range above and below the audio spectra.
Noise generator features white noise with its own attenuated volume control into the filter. setting 6 on the oscillator 3 waveform control allows a lower frequency noise to be used for modulation effects and can also be used as audio source.
1v/octave voltage controlled filter:
24db/octave transistor ladder low pass filter. oscillates at high 'q'/resonance.
Tracking of the filter from the main cv input can be 0%/half/full (0v/octave, 1v octave and 1.5v/octave)
The filter also features a separate 1v/octave external cv input for other control sources.
The vcf is swept directly by its own envelope generator.
2 x envelope generators. ads/switchable release type. filter eg can be switch between a positive going envelope or an inverted envelope. filter eg can be switched to sweep oscillator 2 for hard synchronization sweeps. vca eg can be diconnected via an external vca cv input socket.
All analogue circuitry used in the design is the 'old school' through hole parts."
via this auction

This is a rare synth, was made in the UK out of production, and hard to come by. Built like a tank. Solid enclosure and solid controls. No cheap Chinese plastic components here.
“The fattest vintage sounding desktop analogue synthesizer available.”
Sold with its power adapter for 220v.
A masterpiece by Scottish synth designer genius Ken Macbeth, this is Ken’s take on the classic Minimoog Model D concept of a 3-VCO synth with a 24db ladder filter.
Ken Macbeth is - besides Wowa Cwejman - the best boutique analog synth builder of our time, doing everything the old-school way of through-hole solering. This is true analog!
The sound that his synths deliver is simply out of this world and the Micromac D is no exception. Despite its desktop size it packs a heavy punch. Seriously - in terms of sound this is as good as it gets.
Here are the specs:
3 x 1v/octave tracking voltage controlled oscillators.
Oscillators 1 and 2 featuring 4 waveforms: sawtooth, square, triangle and sine. oscillators 1 and 2 feature pwm control inputs.
Oscillator 3 featuring 6 waveforms: sawtooth, square, triangle, sine, ramp and lower frequency noise.
Oscillator 2 can be hard synchronized to oscillator 1.
Oscillator 3 can be used as a modulation source, both in the audio range and the low frequency range. oscillator 3 can be used to modulate oscillators 1 and 2 as well as the voltage controlled filter. oscillator 3 can be disconnected from the main controlling cv.
Oscillators 1,2 and 3 feature separate control voltage inputs for external control sources.
Oscillators 1,2 and 3 have separate audio outputs (pre-mixer) for external proccessing in other systems.
Oscillators feature separate attenuated volume controls into the filter.
Oscillators 1,2 and 3 feature both course and fine tune frequency controls that have a range above and below the audio spectra.
Noise generator features white noise with its own attenuated volume control into the filter. setting 6 on the oscillator 3 waveform control allows a lower frequency noise to be used for modulation effects and can also be used as audio source.
1v/octave voltage controlled filter:
24db/octave transistor ladder low pass filter. oscillates at high 'q'/resonance.
Tracking of the filter from the main cv input can be 0%/half/full (0v/octave, 1v octave and 1.5v/octave)
The filter also features a separate 1v/octave external cv input for other control sources.
The vcf is swept directly by its own envelope generator.
2 x envelope generators. ads/switchable release type. filter eg can be switch between a positive going envelope or an inverted envelope. filter eg can be switched to sweep oscillator 2 for hard synchronization sweeps. vca eg can be diconnected via an external vca cv input socket.
All analogue circuitry used in the design is the 'old school' through hole parts."
Korg VC-10 Vocoder SN 160791
Roland Jupiter 6 w/ Dust Cover
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"Had the restart circuit repaired, which is a common occurrence with Jupiter 6s. Good to have that out of the way."
via this auction
"Had the restart circuit repaired, which is a common occurrence with Jupiter 6s. Good to have that out of the way."
Roland Jupiter-8 SN 191164
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"Recently cleaned and calibrated, adjusted and tested by SynthMedic in Copenhagen.
Everything works as it should. No modifications. Shows little cosmetic signs of wear.
220/240 volts"
via this auction
"Recently cleaned and calibrated, adjusted and tested by SynthMedic in Copenhagen.
Everything works as it should. No modifications. Shows little cosmetic signs of wear.
220/240 volts"
Roland Jupiter 4 SN 973182
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"Roland Jupiter 4 Midified in perfect condition and overhauled.
Work done:
- Factory calibration
- The 4 voices have been calibrated in factory mode
- The potentiometers have been cleaned and lubricated
- Keyboard contacts have been checked
- The volume potentiometer and the level of the L M H switch have been dismantled and cleaned.
- The entire keyboard has been cleaned perfectly.
- An additional test was also done on: The filter, LFO's, VCO's.
- It has 128 presets instead of 64
- Tuned perfectly"
via this auction
"Roland Jupiter 4 Midified in perfect condition and overhauled.
Work done:
- Factory calibration
- The 4 voices have been calibrated in factory mode
- The potentiometers have been cleaned and lubricated
- Keyboard contacts have been checked
- The volume potentiometer and the level of the L M H switch have been dismantled and cleaned.
- The entire keyboard has been cleaned perfectly.
- An additional test was also done on: The filter, LFO's, VCO's.
- It has 128 presets instead of 64
- Tuned perfectly"
Vintage ARP Odyssey Mk II Synthesizer w/ New Yellow Capped Sliders & Moog Ladder Filter
Note: links to listings are affiliate links for which the site may be compensated.
video upload by Synth Chaser
via this auction, also on Reverb
"The Odyssey was ARP's answer to the Minimoog, a feature packed scaled down version of the legendary ARP 2600. This particular ARP Odyssey is equipped with the 4035 filter, the infamous "lawsuit filter" that "borrowed" from Bob Moog's ladder filter patent.
This ARP Odyssey has just been serviced and is functioning very well. New sliders & slider caps were installed, power supply recapped, all tantalum capacitors replaced, new slide switches, new key bushings, cleaned key contacts, calibrated, and the 1/4" output jack made to a high output.
There are a few flaws I feel the need to disclose: This particular Odyssey has a fairly high noise floor. You can hear it (white noise/hiss sound) when the tone sources are turned down and the VCA is open, or if the filter isn't fully open. Also there is some slight bleeding of the tone sources into the final output (bypassing the VCF). Please see the attached video for a demonstration of this. There are some large scratches on the front panel, see photos. Since the cosmetics of this Odyssey aren't perfect, I decided not to invest the time into fixing these last problems and instead just offer the synthesizer at a better value."
video upload by Synth Chaser
via this auction, also on Reverb

This ARP Odyssey has just been serviced and is functioning very well. New sliders & slider caps were installed, power supply recapped, all tantalum capacitors replaced, new slide switches, new key bushings, cleaned key contacts, calibrated, and the 1/4" output jack made to a high output.
There are a few flaws I feel the need to disclose: This particular Odyssey has a fairly high noise floor. You can hear it (white noise/hiss sound) when the tone sources are turned down and the VCA is open, or if the filter isn't fully open. Also there is some slight bleeding of the tone sources into the final output (bypassing the VCF). Please see the attached video for a demonstration of this. There are some large scratches on the front panel, see photos. Since the cosmetics of this Odyssey aren't perfect, I decided not to invest the time into fixing these last problems and instead just offer the synthesizer at a better value."
Vintage ARP Odyssey Mk II 2813 Synthesizer w/ LED Sliders & Moog Ladder Filter
Note: links to listings are affiliate links for which the site may be compensated.
video upload by Synth Chaser
via this auction, also on Reverb
"The Odyssey was ARP's answer to the Minimoog, a feature packed scaled down version of the legendary ARP 2600. This particular ARP Odyssey is equipped with the 4035 filter, the infamous "lawsuit filter" that "borrowed" from Bob Moog's ladder filter patent.
This ARP Odyssey has just been serviced and is functioning very well. The Synthchaser LED slider & slider cap set has been installed, and the LEDs are color coded to correspond to the original colored slider caps, which give a visual indicator of the function of each control. The difference in the way these sliders feel and perform compared to the originals is a huge improvement. The power supply was recapped, all tantalum capacitors replaced, new key bushings, cleaned key contacts, calibrated, and the 1/4" output jack made to a high output.
There are a few flaws I feel the need to disclose: The old silkscreen was worn away and the paint was also worn through, so I've installed an overlay. The quality of the overlay isn't the greatest, and the color doesn't quite match the rest of the synth, but anything is better than the way it was! Please review photos carefully. This particular Odyssey has a fairly high noise floor. You can hear it (white noise/hiss sound) when the tone sources are turned down and the VCA is open, or if the filter isn't fully open. Also, the ADSR modulation to the VCF can "overdrive" the filter if the slider is up all the way. Please see the attached video for a demonstration of these. There are a few extra holes on the back panel (the larger ones have been plugged) from previous mods that have been reverted. Since the cosmetics of this Odyssey aren't perfect, I decided not to invest the time into fixing these last problems and instead just offer the synthesizer at a better value."
video upload by Synth Chaser
via this auction, also on Reverb

This ARP Odyssey has just been serviced and is functioning very well. The Synthchaser LED slider & slider cap set has been installed, and the LEDs are color coded to correspond to the original colored slider caps, which give a visual indicator of the function of each control. The difference in the way these sliders feel and perform compared to the originals is a huge improvement. The power supply was recapped, all tantalum capacitors replaced, new key bushings, cleaned key contacts, calibrated, and the 1/4" output jack made to a high output.
There are a few flaws I feel the need to disclose: The old silkscreen was worn away and the paint was also worn through, so I've installed an overlay. The quality of the overlay isn't the greatest, and the color doesn't quite match the rest of the synth, but anything is better than the way it was! Please review photos carefully. This particular Odyssey has a fairly high noise floor. You can hear it (white noise/hiss sound) when the tone sources are turned down and the VCA is open, or if the filter isn't fully open. Also, the ADSR modulation to the VCF can "overdrive" the filter if the slider is up all the way. Please see the attached video for a demonstration of these. There are a few extra holes on the back panel (the larger ones have been plugged) from previous mods that have been reverted. Since the cosmetics of this Odyssey aren't perfect, I decided not to invest the time into fixing these last problems and instead just offer the synthesizer at a better value."
"Access to the Cosmos'....Live ambient improv synth meditation session on the Virus and SOMA Cosmos
video upload by Will's Witchcraft
"Access Virus Synthesizer, into the SOMA Cosmos - a cosmic sound meditation"
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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