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ARP Quartet

“Bought in 1980 with all the good intentions to pick up my keyboards sessions from my youth. Played a few times for fun then put into storage in 1985 in original box where it has been ever since. Extremely lightly used.” Click here to search for synths on eBay

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ARP Quartet

“Fully working ARP Quartet 4-Octave synthesizer with 4 different instrument groups, as seen with color-coded controls. Different instruments activated while taking photos by pressing pushbuttons, LED’s above illuminate to show active sections. All keys play fine.

Overall cosmetic condition is good to very good. Some scratches seen in metal parts and wood. Some rusting seen in metal portions. ” Click here to search for synths on eBay

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ARP Quartet

“The Arp quartet works great, however one key C sharp does not work. The exterior has minor scratches but it is in great shape for its age. All scratches are displayed in the pictures. The synthesizer works almost like new and is the cheapest on the market. Will ship professionally and immediately!” Click here to search for synths on eBay

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ARP Quartet

“Quartet ARP Vintage Synthesizer. Condition is used. Been stored for some years but is working well. Item is rare. The appearance has some cosmetic blemishes due to age and it would benefit from a service. The ARP is identical to the Italian made Siel Orchestra. 4 part orchestral synthesiser with four sections – brass, strings, organ and piano.”
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ARP Quartet

“Very good condition as seen (just a few small scratches), has back panel CV/gate controls. CV = 1V/Oct, Gate = +15V. Note: the octave switch had been replaced by a three-position knob, this is actually more robust and easier to use than the original design, for fast range switching while playing live. Has the nicest sounding filter especially at high resonance levels among several whiteface Odyssey’s we’ve encountered, perhaps because it’s been very well calibrated. Hate to see this one go!”
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ARP Quartet

“The Arp quartet works great, however one key C sharp does not work. The exterior has minor scratches but it is in great shape for its age. All scratches are displayed in the pictures. The synthesizer works almost like new and is the cheapest on the market.”
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ARP Quartet Project Machine

“ARP Quartet keyboard & string machine, classic fully-polyphonic machine from the 80’s pre-MIDI era. This unit won’t power up – it worked until going into storage several years ago, so I suspect someone who knows about electronics can resurrect it, but that’s beyond my ability. There is some slight gig damage to some of the switches on the front. You can select from brass, strings, organ and piano on the front, but by pushing the buttons together, you can have any two in combination. If you can get it working.”
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ARP Quartet

“Classic ARP QUARTET Analog Polyphonic Synthesizer Works Perfectly.

Excellent cosmetic condition and plays nicely – ready for gigs or studio use.”
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ARP Quartet

“Vintage ARP Quartet Synthesizer.. Condition is Used. Bit scruffy but all the lights come on… highly desirable!”
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ARP Quartet

“All presets and functions working.

Some cosmetic wear due to age (see pictures).

Collection in person only.” Click here to search for synths on eBay

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ARP Quartet

“Beautiful Dark Wood Edition!

Perfect for Pink Floyd Strings and brass!

This synth pairs amazingly with a little reverb

US power cord

Thr arp quartet is known for it’s Gorgeous warm brass & enchanting strings

This unit features an updated power switch

Immaculate keybed

Perfect switches

Professionaly cleaned

Excellent Power cord

Gorgeous Chorus circuit sound

Divide down synth gives gritty character when polyphony is present. Not noticeable in the brass leaving the sound silky, warm and smooth. ” Click here to search for synths on eBay

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ARP Quartet

“Good working order.
This item has had occasional use only from new and has been used in a school music department by staff only.
This item has a low starting price so grab yourself a bargain.
Check out my other items for sale. ” Click here to search for synths on eBay

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ARP Quartet

“The sound and key action are EXCELLENT !!! no noise in the signal,all button switches and sliders work well,it has full 49 key polyphony; when layered separately timed adjusted slow attacks are possible in a few choice combinations,there is a filter slider for brass, there is a slider for a sustaining, fading release time for strings and organ,by adding outboard parametric EQ and various FX this keyboard can truly be transformed !” Click here to search for synths on eBay

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ARP Quartet

“Original Arp Quartet Synth, Plays well, tuneable, all works, sweet keys, nice sliders, switches. Use any combination of bass, strings, organ and piano or them all. Serviced last year by a pro tech. 240V Australia power plug.” Click here to search for synths on eBay

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ARP Odyssey

“Fair overall condition. This item has signs of normal wear, some cosmetic blemishes and the external hardware has been replaced. Early rare 2800 ARP with low serial production number. This is an early Tonus inc. serial badge model. early 1972. Vintage factory expansion jack kit installed. This one has had extensive professional service including control panel cleaning, recap, opamps and ics have been replaced and placed into sockets, and it’s had it’s power supply rebuilt with premium caps. New keyboard bushings. It has a new set of all black slider caps installed. Fantastic playing early vintage arp. There is a vintage anvil road-case included with this synthesizer. ” Click here to search for synths on eBay

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ARP Quartet

“This is an ARP Quartet made by Siel. The power button case is broken but it works. The Solo switch is broken and is disengaged. One key is not functioning. All items are labeled. Some of the sliders are scratchy sounding. Other than that the unit sounds pretty good. It will be packaged safely for shipping.” Click here to search for synths on eBay

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ARP Quartet

“ARP Quartet KEYBOARD, 49 Keys synthesizer
ARP Quartet ,49 key all switches and controls in excellent condition Overall very good condition ,needs a good cleaning, someone put stickers on the keys. All the keys work well and control lights come on for all when plugged in. also. . we have no way to test as is as found no returns.” Click here to search for synths on eBay

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ARP Quartet Project Machine

“ARP Quartet ,49 key all switches and controls appear to be in excellent condition Overall excellent condition ,the wooden case NOT INCLUDED . not tested but probably works perfect will need to rewire or replace the power wire very minor fix so being sold as is as found no returns.” Click here to search for synths on eBay

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ARP Quartet

“ARP Quartet ,49 key all switches and controls appear to be in excellent condition Overall excellent condition comes in the wooden case ,not tested and probably works perfect will need to rewire the power wire very minor fix so being sold as is as found no returns” Click here to search for synths on eBay

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ARP Quartet

“In good working order. A few scratches here and there due to age. Easy and intuitive to programme – fun to play.” Click here to search for synths on eBay