Lot of ARP Omni PCBs

“ARP Omni 2480 Power Supply, Phaser Board, Synthesizer (including Low Pass Filter) Board. These were removed from a damaged ARP Omni approximately 10 years ago with the intent of building a standalone phaser and low pass filter and I never got around to it. The power supply worked when removed, and the low pass filter section also worked, though the sliders are stiff and need replacement. I didn’t test the phaser board before removal, so I don’t know if it works or not. Note there has been some repair work on the synth board (upper left, “Z3″) and the phaser board (upper right of PCB, solder side).

ASSY 7211501
ASSY 4520101
ASSY 4520101”
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ARP Omni Project Machine

“For sale is my ARP Omni string synthesizer. This synth is not working – only the power on switch illuminates when it is switched. I’m not sure exactly what is wrong with it but these divide-down string synthesizers generally need to be rebuilt by a synth tech to become fully functional again. Physically it is in OK shape but will need to be cleaned up.” Click here to search for synths on eBay

ARP Odyssey

“Vintage ARP Odyssey MKII 2810 Analog Synth

This is an early MKII and had the desirable “Lawsuit” 4035 Filter

It has been completely restored with the following work:

Thoroughly cleaned inside and out

All sliders replaced with new

All Trimmer Pots replaced with new

All Polarized Capacitors replaced with new

External Input and High Output RCA jacks replaced with 1/4” Switchcraft Jacks

Pratt Read Keyboard Bushings replaced and lubed with the proper release compound.

Keyboard leveled and J-Wires adjusted.

Full Calibration to Factory Spec

This Odyssey sounds fantastic. The 4035 Filter really shines.

As an added bonus any of the following useful modifications will be made at the buyer’s request:

Convert +/- 2 Octave Switch to +/- 1 Octave

Single Trigger / Multi Trigger Switch (added to rear panel)

Mono-phonic / Duo-phonic Switch (added to rear panel)

LFO Free Run Switch (added to rear panel)

These are all modifications that I prefer that really improve the Odyssey. I never understood the +/- 2 Octave Switch. The shift is too great to be used in performance. Multi-Triggering is great for many sounds but not for every sound. Legato lines are a must. The duo-phonic keyboard makes it impossible for some keyboard techniques. Sometimes you need Mono-Phonic. Again, having the LFO reset with each Trigger is desirable but not always. A slow LFO modulating the Filter Frequency should not reset. It should run free. ” Click here to search for synths on eBay

ARP Omni

“The unit does power on but no sound. All the lights turn on. Some of the sliders are stiff. It has a few scuffs marks. One of the white keys seems to have a burn mark (pictured). Restore it or use it for parts. Sold as is. ” Click here to search for synths on eBay

ARP Omni

“As is I plugged it in the lights cut on I do not know much about it I could not get any sound to come out not sure if I am doing everything right or not but just know that it is extremely rare feel free to make reasonable offersArp Omni 70’s Vintage Synth Analog Synthesizer Rare. Condition is Used. Shipped with USPS Retail Ground.”
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ARP Omni

” ARP Omni . Condition is Used. Powers and and all keys sound. All controls seem to work.This unit is incredibly RARE…

The Omni is an analog synth with preset Orchestral String sounds. It has polyphonic Violin and Viola waveforms as well as monophonic Bass and Cello waveforms. It is split into 3 sections: Strings, Synthesizer, and Bass synth – all simultaneously available. It has traditional and simple VCA, VCF, and LFO controls for contouring your sounds as well as a nice chorus that really thickens up the string sound. It has no program memory.
All Items I am listing were tested and photographed in 2012. They were then wrapped in plastic and stored. I will test EVERY unit before shipping and will reach out to buyers if there are any issues.This is my personal museum collection, which I have been building for 30 years, and it is painful to sell but we need money.Most items have manuals and I will be digging for those as well…I would never intentionally deceive anyone and will endeavor to make sure ALL buyers are happy”
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ARP Omni

“You are looking at my vintage Arp Omni synth. It has been in storage for a long time and was working perfectly when packed away. However when I fired it up to make sure it still worked OK it came on blaring loud… so I simply adjusted to slider to turn down the output ….and then nothing. I think the sliders must need a good cleaning or possibly to be replaced or something. Either way everything seems to be working otherwise. This is the reason I am listing it for parts or not working. PLEASE DO NOT BID IF YOU ARE EXPECTING A WORKING SYNTH.” Click here to search for synths on eBay

ARP Omni

“ARP Omni Synthesizer for auction. This synthesizer does not work and will be sold in as-is condition for parts or not working. The aftermarket LED slider mod was installed and the original sliders are included with the sale of this item.” Click here to search for synths on eBay

ARP Omni Project Machine

“Arp Omni I — Original 1975-1978 classic string synth. Powers on. Keys feel pretty good, sliders are not too gummy, all push buttons depress correctly and the respective LEDs for those buttons light up. I was not able to get the unit to produce sound — only static produced from the low output” Click here to search for synths on eBay

ARP Omni 1 Project Machine

“This is a non working arp omni 1.

We had a technician go through it and he replaced the caps, rebuilt the power supply, and replaced some of the ic chips as well. After this the unit would not pass audio. Not sure why at this point.
The synth is sold for parts or repair. As Is. “ Click here to search for synths on eBay

ARP Omni

” This is an Arp Omni I from the 70’s. It sounds phenomenal. This unit was fully serviced 2 years ago, and brought up to spec – every electrolytic capacitor in the synth was replaced, all of the slider switches were cleaned etc. Since then, I’ve only used it my studio.

I went through everything and it works perfectly with exception of the attack slider, which seems to do nothing and is set on a fast attack. This is probably an easy fix. Other than that, as far as I can tell, every button, slider & key work properly. Some of the sliders are missing the top piece and there are some markings on the top of it. Please see photos for the cosmetic condition.”
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