via this auction
Wednesday, September 06, 2023
Oberheim SEM SN 0127
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"Very rare original Oberheim SEM (Synthesizer Expander Module) from the 70's.It has been fully serviced by Bell Tone Synth Works in Philadelphia, PA, in August 2022 and works beautifully! As usual, they did a wonderful job! The enclosure has some marks but the module itself is in excellent condition. The only thing that is not functional is the Midi retrofit but I believe this could be fixed easily in case needed. Other than that it works as a CV/GATE module exactly as expected and sounds great! (note: it was originally 240 volts but was converted to 110 volts by Bell Tone)."
via this auction
"Very rare original Oberheim SEM (Synthesizer Expander Module) from the 70's.It has been fully serviced by Bell Tone Synth Works in Philadelphia, PA, in August 2022 and works beautifully! As usual, they did a wonderful job! The enclosure has some marks but the module itself is in excellent condition. The only thing that is not functional is the Midi retrofit but I believe this could be fixed easily in case needed. Other than that it works as a CV/GATE module exactly as expected and sounds great! (note: it was originally 240 volts but was converted to 110 volts by Bell Tone)."
2 patchable Oberheim SEM units custom built from a Four Voice (FVS-1) SN 0564
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"Here's a chance to own a very unique one-of-a-kind Oberheim two voice filled with fully patchable SEM is pulled from a early rev oberheim four-voice in the 1990s.. These have the highly desirable version "A" SEM boards that sound different from later revisions.
This unit is fully functional and has been tested. Only minor work over the years no major component upgrades, original transistors and capacitors are all in good shape.
it will be packed extremely well, fully insured and guaranteed to arrive in its current condition. also comes with the original power cord for the unit."
via this auction
"Here's a chance to own a very unique one-of-a-kind Oberheim two voice filled with fully patchable SEM is pulled from a early rev oberheim four-voice in the 1990s.. These have the highly desirable version "A" SEM boards that sound different from later revisions.
This unit is fully functional and has been tested. Only minor work over the years no major component upgrades, original transistors and capacitors are all in good shape.
it will be packed extremely well, fully insured and guaranteed to arrive in its current condition. also comes with the original power cord for the unit."
1970’s RMI 368X oscillator piano/harpsichord
Note: Auction links are affiliate links for which the site may be compensated.
video upload by H
via this auction
Some pics of the inside.
"Very rare, 4 digit serial number (8640) Rocky Mountain Instruments 368x. This is a chance to own a never-been-emulated electric piano just like one Ray Manzerek played with the doors. While not yet as famous as other keyboards from the era like the fender Rhodes it Vox continental, the RMI was nearly as prolific featuring in everything from country rock ballads with Steve Earles band to Broadway being one of Sondheims own early electric piano choices.
This example is in fully working order, though showing signs of corrosion around the leg bases and some key posts. there is general wear and tear as to be found on a previous session instrument And a few keys seem slightly out of tune, though this reduces with proper warm up time."
video upload by H
via this auction
Some pics of the inside.
"Very rare, 4 digit serial number (8640) Rocky Mountain Instruments 368x. This is a chance to own a never-been-emulated electric piano just like one Ray Manzerek played with the doors. While not yet as famous as other keyboards from the era like the fender Rhodes it Vox continental, the RMI was nearly as prolific featuring in everything from country rock ballads with Steve Earles band to Broadway being one of Sondheims own early electric piano choices.
This example is in fully working order, though showing signs of corrosion around the leg bases and some key posts. there is general wear and tear as to be found on a previous session instrument And a few keys seem slightly out of tune, though this reduces with proper warm up time."
Z-Tronics Z-Midi Interface
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via this auction
"The Z-tronics system is a stand-alone system and does not in itself incorporate MIDI signals for output to external MIDI devices such as Synthesizers and Sequencers for generating external electronic sounds or for Recording and Playing actual performances. The Z-MIDI interface was developed to interface at the data level and may be easily added to any Z-tronics system, old or new. Connection requires the two timing signals plus one wire in and out per manual.
There are two models available. Z-MIDI-1 provides one MIDI channel in and out, and is useful for adding a dedicated MIDI sound module for one voice such as a Piano. Z-MIDI directly supports the PianoDisk (c) in a real acoustic piano, or any MIDI Sound Module generated voice.
The Z-MIDI-1 also supports stand-alone uses such as adding a pipe organ chest to ANY keyboard instrument having a MIDI Out. A special version of the Z-MIDI-1 may be installed to operate real Chimes or Carillon, automatically ringing the hour and playing MIDI files (such as Hymns) at programmed times of the day.
Z-MIDI-16 is a full 16 channel OUT, 12 to 16 channel IN module which supports BOTH a Sequencer for Record/Playback AND a separate Sound Module. MIDI Sound Modules may be unified or coupled, or not, as desired. While a factory configuration supports Record/Playback for up to 8 manuals (including pedal and second touch) and Sound Module support for up to four manuals, these defaults may be customized for special installations. An optional Human Interface keypad and display enables preset voices to be selected, and other operating parameters changed. MIDI presets may be operated from the combination action.
The Z-MIDI Interface does not process signals normally used to play the organ, and thus does not affect the reliability of the system."
via this auction
"The Z-tronics system is a stand-alone system and does not in itself incorporate MIDI signals for output to external MIDI devices such as Synthesizers and Sequencers for generating external electronic sounds or for Recording and Playing actual performances. The Z-MIDI interface was developed to interface at the data level and may be easily added to any Z-tronics system, old or new. Connection requires the two timing signals plus one wire in and out per manual.There are two models available. Z-MIDI-1 provides one MIDI channel in and out, and is useful for adding a dedicated MIDI sound module for one voice such as a Piano. Z-MIDI directly supports the PianoDisk (c) in a real acoustic piano, or any MIDI Sound Module generated voice.
The Z-MIDI-1 also supports stand-alone uses such as adding a pipe organ chest to ANY keyboard instrument having a MIDI Out. A special version of the Z-MIDI-1 may be installed to operate real Chimes or Carillon, automatically ringing the hour and playing MIDI files (such as Hymns) at programmed times of the day.
Z-MIDI-16 is a full 16 channel OUT, 12 to 16 channel IN module which supports BOTH a Sequencer for Record/Playback AND a separate Sound Module. MIDI Sound Modules may be unified or coupled, or not, as desired. While a factory configuration supports Record/Playback for up to 8 manuals (including pedal and second touch) and Sound Module support for up to four manuals, these defaults may be customized for special installations. An optional Human Interface keypad and display enables preset voices to be selected, and other operating parameters changed. MIDI presets may be operated from the combination action.
The Z-MIDI Interface does not process signals normally used to play the organ, and thus does not affect the reliability of the system."
Alesis NanoSynth 64-Voice Stereo Multitimbral Synthesizer Module w/ Original Box & Materials
Lunchbox Sequencer self patch - Low-Gain Electronics | 4U Modular
video upload by LowGainElectronics
"Quick self patching of the Lunchbox Sequencer before packing it up for KnobCon 2023!!"
Lights Visualizer by Vaski.nl
video upload by Cinematic Laboratory
"I picked up two Light Visualizers on Dutch Modular Fest last saturday. They are made by Amsterdam based Veski Modular. For me, personally, they add a lot of value to my case. The spectral visualizer is really useful if you own a Spectraphon , but it also provides a valuable tuner and tons of metering options. Highly recommended for 'pimping your ride'."
Vaski Lights is a graphical display for your sound in 2 HP.
Also available in silver.
Led display that responds accurately to sound and CV signals. Stereo input and multiple visualization modes let you monitor and design the music you play in a new way! The narrow module fits anywhere: place it next to a synth voice, or on your master output. Keep your levels in check and see the spectral content of the audio stream.
The second jack can be reconfigured as a pass-through output for a mono input signal."
ST Modular - SPREAD MIXER
video upload by Stefan Tretau
"SPM is a 3-Channel Mono Mixer with three volume potentiometers. The gain per channel can be adjusted with trimmers on the board, making this mixer suitable for line and Eurorack levels.
In addition, you can pan channel 1 and 2 with the SPREAD potentiometer and thus spread both channels in the stereo field to the left and right in opposite directions. In the centre position, all channels are panned to the centre. If you turn the potentiometer to the left, channel 1 is panned to the left and channel 2 to the right and vice versa.
This is very useful to quickly clean up a mix and widen the sound spectrum in the stereo field."
key features
Analog Mixer
3 Mono Channels
Pan CH 1&2 with one Knob
Skiff friendly
Wrong polarity protection
specs & downloads
width: 4 HP
depth: 30 mm
power: 19 mA @ +12V / 11 mA @ -12V
Buchla Easel Command 208C - Glowing Hand
video upload by TheTrackdriver
"I am playing with my Easel breakout box for the first time that I have designed and built myself. The hidden functions has now been brought to the front panel of this aux card and I added a few extra features like attenuators and a light beam modifier (Roland D-Beam-ish controller)."
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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
