via this listing
Tuesday, February 18, 2025
Welson Ritmo - Serviced with DIY Keyboard
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"Rare, analog auto-accompaniment machine from Italy with DIY keyboard - these don’t come up for sale often and if you’re a fan of Elgam Carousel or Elka Wilgamat you might need this.
The Welson Ritmo has 4 sections with individual volumes and minor modulation controls:
1. Analog drum machine with 12 preset rhythms
2. Bass line generator with 2 sounds and 2 bass lines per rhythm
3. Chords section with 2 independent chord sounds with volumes.
4. Arpeggiator with 1 sound with volume and decay controls and harmony.
Very good condition unit just back from service with some minor paint chips on top and a few smaller dings on the wooden sides.
The DIY keyboard is heavy duty and has a vintage feel - it was made from a vintage Gem organ keybed.
220 volt with Italian 3-prong power plug
Item ships from Italy"
via this listing
"Rare, analog auto-accompaniment machine from Italy with DIY keyboard - these don’t come up for sale often and if you’re a fan of Elgam Carousel or Elka Wilgamat you might need this.The Welson Ritmo has 4 sections with individual volumes and minor modulation controls:
1. Analog drum machine with 12 preset rhythms
2. Bass line generator with 2 sounds and 2 bass lines per rhythm
3. Chords section with 2 independent chord sounds with volumes.
4. Arpeggiator with 1 sound with volume and decay controls and harmony.
Very good condition unit just back from service with some minor paint chips on top and a few smaller dings on the wooden sides.
The DIY keyboard is heavy duty and has a vintage feel - it was made from a vintage Gem organ keybed.
220 volt with Italian 3-prong power plug
Item ships from Italy"
Roland TR-707 Rhythm Composer
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via this listing
Additional Three Wave Music Listings
"Roland TR-707 in excellent condition. Unit tested and confirmed to function. Each fader has been cleaned and the barrel jack power connection has been converted to be compatible with the PSA-120T. Minor cosmetic damage(see photos). Includes psu and gig bag.
The TR-707 has 15 digitally sampled sound and 10-voice polyphony. The alternate bass drum, snare, and hi-hat sounds cannot be triggered simultaneously."
via this listing
Additional Three Wave Music Listings
"Roland TR-707 in excellent condition. Unit tested and confirmed to function. Each fader has been cleaned and the barrel jack power connection has been converted to be compatible with the PSA-120T. Minor cosmetic damage(see photos). Includes psu and gig bag.
The TR-707 has 15 digitally sampled sound and 10-voice polyphony. The alternate bass drum, snare, and hi-hat sounds cannot be triggered simultaneously."
Roland System 100 101 w/ Case
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"Its been recently serviced and is all working as it should be. This included cleaning the key contacts and bassbars, recapping the power supply and both analogue boards, cleaning/lubing the potentiometers and switches, installing a new power transformer and power cable."
via this listing
"Its been recently serviced and is all working as it should be. This included cleaning the key contacts and bassbars, recapping the power supply and both analogue boards, cleaning/lubing the potentiometers and switches, installing a new power transformer and power cable."
Oberheim OB-8 8-Voice Synthesizer SN C34503
Elka Synthex SN 1435
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"Elka Synthex completely revised in our workshop. Perfect functional condition.
During the revision process we replaced some capacitors, cleaned the keyboard and replaced 4 potentiometers.
The instrument was also completely tuned and calibrated."
via this listing
"Elka Synthex completely revised in our workshop. Perfect functional condition.
During the revision process we replaced some capacitors, cleaned the keyboard and replaced 4 potentiometers.
The instrument was also completely tuned and calibrated."
Moog Minimoog Model D Analog Synthesizer w/ Roland MPU-101 CV Interface
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"This particular Minimoog has the official voice card upgrade from the early 80s and was modded to work with the Roland MIDI to CV interface. Overall, the physical condition is very good."
Minimoog SN 3155
MPU-101 SN 530654
via this listing
"This particular Minimoog has the official voice card upgrade from the early 80s and was modded to work with the Roland MIDI to CV interface. Overall, the physical condition is very good."
Minimoog SN 3155
MPU-101 SN 530654
Pocket Operator PMO-400 Teenage Engineering Modular Analog Synthesizer
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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
