MATRIXSYNTH: Vintage ARP Omni 1 Keyboard Synthesizer Refurbished with LED Sliders


Monday, June 21, 2021

Vintage ARP Omni 1 Keyboard Synthesizer Refurbished with LED Sliders

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video uploaded by Synth Chaser





via this auction, also on Reverb

"This synthesizer has just been fully serviced by Synthchaser, the United States' top ARP specialist - recapped, new key bushings, new LED sliders, new reliable pushbutton switches, clean, fully functional, calibrated, in tune and sounding great. This keyboard is the sound of Joy Division and is all over The Cars' 'Moving In Stereo', and many other late 70's/early 80's albums. It produces the lush Solina/String Ensemble sounds plus has a polyphonic synthesizer section with a voltage controlled filter, LFO, and ADSR, and a dedicated bass synthesizer section.


"Has a some scratches on the case, which is common to these synths, see photos. However, the keyboard sounds great and has been completely overhauled inside with hundreds of dollars of new parts and many of hours of labor, including:

Synthchaser Precision LED slider upgrade. All 15 of the old original sliders have been replaced with new, smooth, high precision LED illuminated sliders. The difference in the way these sliders feel and perform compared to the originals is a huge improvement. The LED colors match the color scheme of the panel graphics.

Illuminated slider caps - Slider caps with a translucent plastic stripe that allows the LED illumination to shine through, while giving you something substantial to grip onto. I just started using these caps, and they look and feel awesome!

Synthchaser replacement pushbutton switches - All 10 of the original pushbutton switches (which are notorious for having the mechanical latches break) have been replaced with retrofits. The original switch caps are still installed so they look the same from the outside.

Power supply rebuilt - All tantalum and electrolytic capacitors in the power supply have been replaced, and high quality, high temperature 105 deg C capacitors have been used for the power supply filter capacitors.

All tantalum capacitors replaced - The tantalum capacitors in ARP synths are ticking time bombs. All of the over 100 tantalum capacitors in this synth have been replaced with electrolytics to help provide stable operation for years to come.

Synthchaser 4075 Filter Enhancement Kit Installed - The ARP Omni uses the same 4075 filter submodule found in the Odyssey, Quadra, Avatar, and Pro DGX. This has been recapped, and enhanced to provide superior frequency response.

Keyboard rebuild - New key bushings installed, buss bar & key contacts cleaned, key contacts adjusted, and keys ultrasonically cleaned

Oscilloscope calibration - Fully calibrated to factory spec using oscilloscope and frequency counter.

Wood side panels refinished

New power cord and new rubber feet"

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