ARP Omni 2

“ARP Omni-2 Vintage Analog String Machine Synthesizer With Manual. All keys are working in Violin and Viola setting, Only the 4 lowest notes will play in the bass setting. It has been partially restored (Capacitors checked and the bad ones replaced) Ready for the next owner to complete restoration. Condition is Used.” Click here to visit listing on eBay

ARP Omni 2

“1979 ARP Omni-2 Vintage Analog String Synthesizer + Hard Case Omni

The top, Fast/Slow Release slider doesn’t effect sound as much as I would expect. But, maybe it’s supposed to work like that. Top key is a little higher than the rest.

Includes Hybrid hard case.” Click here to visit listing on eBay

ARP Omni 2

“This keyboard has been recently serviced.

The String and Synthesizer sections work on all 49 notes. Phase Shifter is also working.

However, the Bass section does not work.

All tantalum capacitors have been replaced with aluminum electrolytic capacitors.

(The old tantalum capacitors are a common failure for these Keyboards.)” Click here to visit listing on eBay

ARP Omni 2 Project Machine

“So I bought this about 6 months ago and am not using it. It’s working pretty well for a synth from the late 1970’s. As you can see from the invoice picture it was gone over and updated quite a bit by Synthchaser in California. This was before I purchased it. there are still a few issues I’ve noticed. There is sometimes a light click when keys are depressed coming through the amp. The string section seems just a little noisy, but this could be the era in which it was made? Not sure. Also the string section will occasionally cut out, but I’ve tracked this down to a wiring harness which I will mark. Not sure if it’s a wire or the plug. So it needs a little attention and it does have some cosmetic rust and wear, but overall it’s a pretty cool vintage board. I just don’t have the time for it. ” Click here to visit listing on eBay

ARP Omni 2

“Vintage ARP OMNI-2 Analog Keyboard Synthesizer
We plugged it up to a speaker and everything seems to work, there is some static, maybe a loose connection somewhere but it does work, it may need some work done to it, possibly something needs to be replaced. We do not know enough about it to say there are no issues with it but everything on it seems to be in working condition. Most of all the knobs are missing!” Click here to visit listing on eBay

ARP Omni 2

“I’m selling my 1970’s vintage analog string/polyphonic synthesizer – the ARP OMNI II. If you are familiar with The Cars “Good Times Roll” or Joy Division “Love Will Tear Us Apart” you know the legendary sounds the OMNI II is capable of.

This unit was fully serviced and electronically restored by Synth Chaser in San Diego, CA. Nathan is one of America’s foremost experts on ARP OMNI repair (as well as other vintage synths) – and posts videos of his repair and restoration work (including this one) on Youtube.

Besides all the work done to bring this synth back to original ARP 100% glory I also had the optional 4075 filter upgrade done, as well as the SynthChaser Orange LED slider kit installed. Very helpful seeing all the slider settings onstage, having the sliders move easily. Plus having light-up LEDs that match the ARP color scheme looks cool.

As you can imagine, this unit sounds amazing – haunting and period correct.

Here is the rundown of this Omni II and what was done:

ARP OMNI 2 S/N #24734115 (OMNI II)

All polarized capacitors recapped – 106 caps total.

SynthChaser Orange LED precision slider kit upgrade.

Key bed refurbished: buss bar cleaned, key contacts adjusted, key bed leveled, bushing kit installed.

Switch board troubleshooting and repair. XLR jacks replaced.

Optional 4075 Voltage Controlled Filter Enhancement & recap performed

Two switches replaced.

All LED’s replaced to provide uniform brightness.

Keys removed, cleaned and leveled.

Synthesizer calibrated to factory specification.

Comes with vintage road case.”
Click here to visit listing on eBay

ARP Omni 2

“ARP OMNI II Analog Synthesizer.
From 1970’s.

Good physical appearance.
Keys operate correctly.
Internal power supply not working, may need transformer or replacement power supply + ?.
New solid state parts for power supply, power cord included.” Click here to visit listing on eBay

ARP Omni 2

“Up for bids is an ARP Omni 2 Synthesizer. It was manufactured between 1978-1981.

It is in Excellent operational and Great cosmetic condition.

It was used in a professional smoke free studio.

The Serial Number is 24732158. ”
Click here to visit listing on eBay

ARP Omni 2

“Arp Omni-2 synthesizer keyboard.
Was used by a band when last used. It powers up and makes some tones, but not fully functional. The power supply may need new capacitors. I will open it and test it in the next few days while the auction goes on.” Click here to visit listing on eBay

ARP Omni 2 Project Machine

usedmom “Arp Omni 2 Model 2473 for parts / repair (with Anvil case)

This is a non-working Arp Omni Mark 2! It is complete as far as parts, keys, components, etc. are concerned, and is only missing the pot slider caps.

This unit doesn’t play a note! It is purely a “fixer upper” or useful for parts. It does power on, and all lighted switches turn off and on… but the most it does right now is produce the infamous electrical clicking noise (through the “SYNTH,” “STRINGS,” and “BASS” outputs) when keys are pressed, followed by a faint click noise when those keys are released. Physically, it is in decent shape for its age, with the expected scratches and dings here and there from transport; the control panel, sliders, buttons, and keys are all good; no keys are chipped, and they are fairly even across except for two or three [See pictures.].

The blue balloon tantalum key capacitors were all replaced several years ago with electrolytics. The power supply tantalum and electrolytic capacitors were replaced with new electrolytics as well. The phaser circuit board and other electronics are all present.

If you have a good tech—or a fair amount of free time of your own—this could be a worthwhile project. (My studio unit is identical to this one, and it is one I bought non-working for cheap and fixed up.)

Arp Omnis are great synths: they offer a nice set of analog string sounds, a basic synth with simple, changeable parameters, and a bass section as well. All of these can be combined, too. Plus, there are two on-board effects: a phaser and a “wave enhancement” feature, too, which does _____ that makes things sound real cool…. Finally, the Omni is polyphonic through divide down circuitry (except for the bass section when it is activated; I think that is low note priority monophonic if I recall correctly).

The Anvil case is missing the original foam (which I removed because it had decayed into uselessness), but the Arp will be wrapped in a new foam mattress cover/pad… which will have the same cushioning result.” Click here to visit listing on eBay

ARP Omni 2

omni2 ” This is a used, working ARP Omni-2 in good condition. I purchased this from its original owner several years ago. When I purchased the keyboard, it was not working, so I paid a technician to recap and fix the unit. It is now working, and is a great vintage keyboard for the recording studio, particularly for the fake string sounds and the surprisingly versatile synth feature. I love this keyboard, but I’m also downsizing my studio and this is one of the keyboards that I’ve decided that will go.

Because this is a 40 year old instrument, this keyboard has a few quirks. Here are the quirks that I’m aware of. (Note that there could be additional quirks that I am not aware of, as I have never used some of the jacks on the back, like the Synthesizer Interface jacks.) I mention these quirks to describe the condition of the instrument as accurately as possible:

If you press down the lowest C key on the keyboard, the connection sounds intermittent…until the keyboard has been on for about an hour or so. I suspect there’s a capacitor somewhere in the path of this key that is causing this problem, but I don’t know enough about electronics to fix it myself. Suffice to say, if you leave the keyboard on for about an hour, this problem tends to disappear and the key plays fine. Or you can just choose to ignore the lowest key on the keyboard, as I have for the past several years.
The lowest Eb key has a mechanical “clickety clack” sound when you release the key. This does not affect the sound coming out of the synth. It’s purely a mechanical quirk in the keyboard mechanism itself that sounds like one of those old noisy IBM PC computer keyboards. None of the other keys demonstrate that mechanical clickety clack sound upon releasing a key.
The signal to noise ratio is much better if you use the individual Strings/Synth/Bass audio outputs instead of the main output. In fact, I recommend not using the main output at all.

Besides fixing and recapping the instrument, the technician also replaced the slider end pieces (not the slider pots themselves), as many of the end pieces had become brittle and broke off. Some of the original slider end pieces are included in a plastic bag. All of the sliders work, though they have a slightly sticky feel. From what I’ve read, that is possibly how they’ve always been, even when the keyboard was new. There are some cosmetic scratches on the case. All of the buttons and their associated LEDs work. A power cable is included.

Also included are extra electronic parts for the keyboard. I believe some of these are new parts, and some of these are old parts that were originally in the keyboard. If you’re a technician or if you have to give this keyboard to a technician, you’ll probably want to also have these parts on hand just in case. ” Click here to visit listing on eBay

ARP Omni 2 Project Machine

omni2 “ARP Omni II for repair or parts . I cannot get any sound from this unit but I may not have it hooked up correctly .
It does power up and indicator lights do light up though . Have a look at the pictures for condition details .
Some keys and most of the fader / sliders are in need of a good cleaning as they are stuck or hard to move .” Click here to visit listing on eBay

ARP Omni 2 Project Machine

used omni 2 “Some slider ends missing, one button, dusty, powers on, plays bass section nicely, top end seems out of tune, all lights activate, envelope and sound control seem to work.. There are 3 keys that are not activating Low C and 3rd F and F# are dead.. Needs complete overhaul and service to be at 100 percent. Although the keyboard doesn’t seem uneven to play you can see some warping if you look at the keys from the underside. Also I hear a screw that is loose on the inside of the casing”

ARP Omni 2

omni_2 “Arp Omni – 2 Model 2473 in fair condition. It has been sitting for some years, I plugged it into an amp and was able to make sounds out of it although I do not know how to use it so I cannot comment on it’s functionality as originally built. It is missing a plastic slider knob as seen in the pictures. It is for sale as is, I do not have the ability to test it beyond the mono output low/high level and by pushing the buttons and moving the sliders. Everything did something, some of the sliders were scratchy. I do not know if it did the right thing. Buy this as a working example of an old synth that will require a complete maintenance to get it to giggable condition.” Click here to visit listing on eBay

ARP Omni 2


ARP Omni II Project Machine

omnii “This beast has been with me for years. She powers up and plays but 1 key is sticky and doesn’t always make a sound, another makes a sound but holds no sustain. The synth section is a bit scratchy, the sliders are sticky, the Hollow waveform button is missing, it needs to be recapped. Basically it needs an overhaul. So it’s sold as is. I’ve had this Omni for years and Ive played it in bands for the last 8 years but it’s time she go’s to someone who will give her the love she needs. Sold as is-no returns.” Click here to visit listing on eBay

ARP Omni 2

omni2 “So here is a beautiful condition cosmetically Arp Omni 2 from Hannett’s personal synth cache and in particular his collection of Omni 2s found in the Hannett cache during the making of the documentary on him.
It is in a full flight case and a lot of the keyboard and button functions work but it could do with a service.
This is a real piece of history as Hannett’s synths and or ideas he worked out on his synths were used on so many records that he produced.Joy Division, John Cooper Clarke, U2, Stone roses, Magazine, Happy Mondays, New Order.” Click here to visit listing on eBay