Published on Nov 13, 2016 Synth Chaser

Playlist:
Synthchaser #034 - ARP Omni 1 Restoration & Repair - 1/4 - Intro
Synthchaser #035 - ARP Omni 1 Restoration & Repair - 2/4 - Recapping
Synthchaser #036 - ARP Omni 1 Restoration & Repair - 3/4 - Power Supply Rebuild & Rewiring
Synthchaser #037 - ARP Omni 1 Restoration & Repair - 4/4 - Completing the Repairs

Vintage Maestro Ring Modulator RM-1 by Oberheim with an ARP Omni 2 Synthesizer

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Published on Sep 27, 2016 Synth Chaser

Currently listed for sale on Reverb, and on eBay.

"For sale is a working Maestro Ring Modulator, model RM-1 from the date codes on the ICs, it appears this unit was manufactured in 1971. Sliders are clean but not smooth. This unit has a single pedal input, ext. carrier and instrument inputs, oscillator output, and modulation output. You can bypass the modulation with a switch, and with another switch select between two ranges on the internal oscillator.

This is THE classic Ring Modulator effects pedal, and this is a super rare early model (I can't even find any photos online of the RM-1 with the single pedal input like this one). This is not the RM-1A or RM-1B model that are typically seen (note to ebay, I'm mentioning this not to "manipulate searches" but to point out the extreme rarity of this early revision). I made a short video to demonstrate that this is working, with an ARP Omni 2 of all things...."

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ARP Omni 2 Playing Joy Division's "Decades" via MIDI

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Published on Sep 28, 2016 Synth Chaser

SN 24730726 currently for sale on Reverb and on eBay.

"The most awesome ARP Omni 2 ever! With MIDI! This synthesizer has just been fully serviced by Synthchaser, the west coast's leading ARP specialist - recapped, new bushings, LED sliders, fully functional, calibrated, tuned and sounding great. This keyboard is the sound of Joy Division and is all over The Cars' "Moving In Stereo". It produces the lush Solina/String Ensemble sounds plus has a polyphonic synthesizer section with a voltage controlled filter, LFO, and ADSR. I've made a video to demonstrate this keyboard in action playing Joy Division's classic, "Decades" via MIDI

Video showing this keyboard in action:

Overall good condition for a nearly 40 year old synthesizer, with some cosmetic issues as visible in the photos (dent to back right corner of case, etc)

· Synthchaser MIDI Adapter - How rare is it to find an Omni equipped with MIDI? The Synthchaser MIDI Adapter has support for MIDI In and Through for the string & synth polyphonic voices only, and responds to note on & off requests.

· 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.

· Synthchaser Capacitor Kit installed - 106 polarized capacitors in the synthesizer (not just the power supply) have been replaced to help provide stable operation for years to come.

· Keyboard rebuild - New key bushings installed, keys removed and washed, key contacts cleaned and adjusted

· Oscilloscope Calibration - Fully calibrated to factory spec under measurement by oscilloscope

The 4075 filter has not been modified and has the original capacitors and frequency response. This can be enhanced upon request by the buyer. There is also a possibility to customize the LED slider colors."

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