Synths ⇝ Arp ⇝ Arp Quadra

The polyphony on the Arp Quadra varies based on the instrument. The bass is monophonic, the lead is duophonic, and the strings have full polyphony.

Specifications

Year Released: 1978

Keyboard: 61 keys

Polyphony: 61 notes

User Patches: 16

User Demo Videos

Rating

File Downloads

Arp Quadra Manual

Arp Quadra Service Manual

Arp Quadra Schematics

Items for Sale on Reverb

Used Set of 35 Original ARP Quadra Sliders for Refurbishing/Parts/Repair ($349)

ARP Quadra 1978✅Crypto Bitcoin Pay✅ ULTRA RARE from ´70s -´80s✅ Professional Synthesizer✅ Cleaned & Full Checked ✅Legend ($28,096.66)

Serviced ARP Quadra Synthesizer with MIDI & New Sliders ($6,999)

ARP QUADRA w/Synthchaser MIDI + LED upgrade + more. FULLY SERVICED ($8,499)

ARP Quadra Polyphonic Analog Synthesizer 1978 - 1981 - Black / Orange ($7,236.57)

ARP Quadra 2463 Synthesizer (Serviced) ($10,107.99)

ARP Quadra Polyphonic Analog Synthesizer 1978 - 1981 - Black / Orange ($5,895)

ARP Quadra 1978 -LEGEND - ✅ ULTRA RARE from ´70s -´80s✅ Professional Synthesizer✅ Cleaned & Full Checked ✅ ($28,096.66)

ARP Quadra 1978 -LEGEND - ✅ ULTRA RARE from ´70s -´80s✅ Professional Synthesizer✅ Cleaned & Full Checked ✅ ($28,096.66)

ARP Quadra 1978-80 - Black ($11,999.99)

ARP Quadra Polyphonic Analog Synthesizer 1978 - 1981 - Black / Orange ($21,257.33)

ARP - Quadra - Mixer section - Slide potentiometer - 100kb liner ($20)

ARP Quadra - Beautifully Illustrated Blank Patch Sheet PDF ($13.90)

Arp Quadra 8048 0214 Main Cpu M5 L8048 0214 Cpu New Rare ($47.18)

ARP Quadra Keyboard Electronics Circuit Board Tested Working ($199)

ARP Quadra 1980 service manual ($606.28)

ARP Quadra - Brand New Front Panel Membrane ($590.51)

ARP - Odyssey MKIII , PRO-DGX , Quadra - XLR Jack ($9.80)

Arp - Explorer , Odyssey , Quadra - Key bushing ($0.99)

Synthchaser 4075 VCF Submodule for ARP Omni, Odyssey, Quadra, Axxe, Avatar & Pro/DGX ($189)