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 ($359)

ARP Quadra 1978 -LEGEND - ✅ ULTRA RARE from ´70s -´80s✅ Professional Synthesizer✅ Cleaned & Full Checked ✅ ($28,200.74)

ARP Quadra 1978 -LEGEND - ✅ ULTRA RARE from ´70s -´80s✅ Professional Synthesizer✅ Cleaned & Full Checked ✅ ($28,200.74)

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

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

ARP Quadra Polyphonic Analog Synthesizer 1978 - 1981 - Black / Orange ($7,180.24)

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

ARP Quadra 1978✅Crypto Bitcoin Pay✅ ULTRA RARE from ´70s -´80s✅ Professional Synthesizer✅ Cleaned & Full Checked ✅Legend ($28,200.74)

ARP Quadra - Excellent ($6,500)

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

ARP Quadra Polyphonic Analog Synthesizer 1978 - 1981 - Black / Orange ($21,336.07)

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

Arp Quadra 8048 0214 Main Cpu M5 L8048 0214 Cpu New Rare ($47.36)

ARP Quadra - Beautifully Illustrated Blank Patch Sheet PDF ($13.79)

ARP Quadra 1980 service manual ($598.59)

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

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

ARP Quadra - Brand New Front Panel Membrane ($592.70)

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

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

1x Reticon SAD512, 16-pin BBD IC, 1981 Vintage, *Tested OK*, for ARP Quadra/Omni II, early Roland VP-330 ($130.38)