ARP Quartet Polyphonic Analog Synthesizer

$850.00 Price Tier: Standard

1 Critic Review

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Page last updated Jun 17, 2026

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$850.00 2 available Used

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Average Price: $850

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$500

$1501+

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In the Synthesizers category, ARP Quartet Polyphonic Analog Synthesizer is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Description

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Experience the charm of vintage analog synthesis with the ARP Quartet Polyphonic Analog Synthesizer. This instrument, a beloved relic from the late 1970s, brings the warmth and character of classic sounds right to your fingertips. Designed for musicians who appreciate the tactile response of polyphonic analog synthesis, the ARP Quartet is a versatile addition to any synth collection.

Featuring four distinctive sound sections—Brass, Strings, Organ, and Piano—this synthesizer allows you to explore a wide sonic palette. Each section can be played separately or layered for rich, complex textures. The ensemble effect adds lush, swirling depth to your sound, perfect for creating immersive musical landscapes. With easy-to-use controls and durable construction, the ARP Quartet is ideal for live performances and studio sessions alike.

Whether you're looking to recreate the iconic sounds of the past or forge new auditory paths, the ARP Quartet offers a timeless gateway into the world of analog synthesis.

Key Features:

Polyphonic analog synthesizer with four sections: Brass, Strings, Organ, and Piano
Ensemble effect for enhanced sound depth
Layering capabilities for complex sound creation
Simple, intuitive control panel
Durable design suitable for both live and studio environments

Product specs

Brand	ARP
Model	Quartet Polyphonic Analog Synthesizer
Year	1979 - 1980
Made In	Italy
Categories	Keyboard Synths
Analog / Digital	Analog
Key Size	Full Size
Keyboard Action	Synth Action
Number of Keys	49 Keys
Polyphony	49 Voices

FAQs

Is the ARP Quartet Polyphonic Analog Synthesizer fully polyphonic?: Yes, the ARP Quartet is fully polyphonic, allowing you to play up to 49 notes simultaneously, which is ideal for creating rich, layered sounds.
What type of sound can I expect from the ARP Quartet?: The ARP Quartet offers classic analog sounds with a focus on string, organ, brass, and choir tones, providing a warm and vintage sonic character typical of late 1970s synthesizers.
Does the ARP Quartet have MIDI connectivity?: No, the ARP Quartet does not have MIDI connectivity, as it was produced before MIDI was standardized. It is purely an analog synthesizer with traditional keyboard control.
How does the ARP Quartet's keyboard action feel?: The ARP Quartet features a synth action keyboard with full-size keys, providing a smooth and responsive playing experience suitable for various styles.
Can the ARP Quartet be used for live performances?: Yes, the ARP Quartet is suitable for live performances, offering versatile polyphonic sounds that can enhance any stage setup, though it lacks modern connectivity options.

Videos

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PianoVintage

DEMO ARP QUARTET ANALOG SYNTHESIZER

PianoVintage

1979 ARP Quartet Polyphonic String Brass Piano Organ Synthesizer

keyboard resource

ARP Quartet functional demo

Erich Izdepski

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ARP Quartet Polyphonic Analog Synthesizer.

Setup and maintenance

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The ARP Quartet uses TDA1008 chips for octave division; issues may arise if these need replacing or adjusting.
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Swapping the TDA1008 chip for "A" with another note can diagnose if the chip is faulty.
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Features and functionality

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The ARP Quartet leverages a divide-down architecture, which was a common, affordable method to achieve polyphony in the late 1970s.
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Users can combine multiple sound presets simultaneously, such as piano and strings, for unique sound textures.
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The synth lacks MIDI capabilities, focusing on analog presets with limited sound editing options.
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Mods and upgrades

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External filters and effects, like delay or reverb, enhance the vibrato on the brass patch, producing richer soundscapes.
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Use cases and applications

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The synth is versatile in creating unique melodic lines, particularly by exploiting the octave discrepancy for innovative musical ideas.
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Critic Reviews

ARP Quartet | Vintage Synth Explorer

vintagesynth.com

The ARP Quartet, essentially a rebadged Siel Orchestra, shines with its classic analog sound and versatile tone colors like Brass, Strings, Organ, and Piano. Musicians can enjoy independent tweakability and simultaneous section play, which gives some flexibility. Despite its auditory charm, the Quartet is hampered by its limited features—no external control, pitch/mod wheel, or extensive editing options. Its usability is straightforward, but the lack of modern functionalities could be a dealbreaker for those seeking depth in sound sculpting. Overall, a nostalgic piece for vintage enthusiasts rather than a practical choice for modern setups.

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