Synths ⇝ Oberheim ⇝ Oberheim OB-Xa

The OB-Xa is an analog subtractive synthesizer that was available with 4, 6, or 8 notes of polyphony. It used a CEM3320 chip for its filter.

Specifications

Year Released: 1981

MSRP: 5995.00 USD

Keyboard: 61 keys

Multitimbral: 2 parts

User Patches: 120

Power Consumption: 50 watts

Dimensions: 1016 mm x 508 mm x 152.4 mm

Weight: 20.4 kg

User Demo Videos

Rating

File Downloads

Oberheim OB-Xa Manual

Oberheim OB-Xa Service Manual

Items for Sale on Reverb

Oberheim OB-XA Walnut Replacement Wood Sides (BLACK) ($109)

Oberheim OB-XA Solid Walnut Replacement Wood Sides ($109)

Oberheim OB-XA ($7,800)

Oberheim OB-XA 1980s Vintage Analog Synthesizer w/ MIDI Worldwide Shipping ($6,299)

Oberheim OB-Xa 61-Key 6-Voice Synthesizer 1981 - Blue with Wood Sides ($5,849)

Oberheim OB-Xa 61-Key 8-Voice Synthesizer 1981 - Blue with Wood Sides ($10,917.06)

Oberheim OB-Xa original wooden end cap sides 1980s ($269.99)

Oberheim OB-XA 1980s Vintage Analog Synthesizer (Owned by Styx) ($7,199.99)

Oberheim OB-XA 1980s Vintage Analog Synthesizer w/ Road Case ($6,699.99)

Oberheim OB-XA 1980s Vintage Analog Synthesizer ($6,499.99)

Oberheim OB-Xa ($12,000)

Vintage Oberheim ob-xa synth owned by Alphonse Mouzon ($12,000)

Oberheim OB-Xa - 8-Voice (1980 - Serial # 810103 !) - Excellent ($8,489.83)

Oberheim OB-Xa 8-Voice & 120 programs with MIDI ($10,915.85)

Oberheim OBXa - Fully Refurbished & Better Than The Rest - midi synthesizer keyboard VINTAGE SYNTH DEALER ($14,299)

Oberheim OB-Xa (8 voices, MIDI) // Restored by VS&Co ($12,008.77)

Calzone Oberheim OB-Xa Custom Road Case ($450)

Calzone Oberheim OB-Xa Custom Road Case ($450)

Screws & washer cup (12pcs) for Oberheim OB-Xa / OB-8 / XPANDER / Matrix-12 / DSX / DMX / DX ($36.39)

Oberheim Ob-1 - Ob-Sx - Ob-X - Ob-Xa - Ob-8 - Battery Holder replacement Fix ($18.13)

Oberheim - OB-1, OB-SX, OB-X, OB-Xa - Trim potentiometer, 10K ($5.90)

5 x Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($63.68)

Oberheim - OB-1 , OB-SX , OB-X , OB-Xa - voltage selector slide switc ($8.90)

Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($15.71)

Oberheim - 2/4/8-Voice , SEM , OB-1 , OB-SX , OB-X , OB-Xa - Key bushing ($0.99)

Oberheim - DX , OB-1 , OB-SX , OB-X , OB-Xa , OB-8 , Matrix 12, Xpander - Battery ($12.99)

Oberheim - OB-SX , OB-Xa - Rotary Potentiometer ($89.90)

Oberheim OB-XA 1980s Voice Card - Serviced - 2 ($895.50)

Custom highly figured walnut sides for Oberheim OB-XA ($99.99)

Oberheim - OB-Xa - 1/4-inch mono phone jack - For mono output ($10.90)

Oberheim OB-Xa Program Patches Booklet 1982 ($25)

Oberheim OB-XA Rev AD0 firmware OS Eprom set OBXA Early Version Rom 32 Programs ($58.16)

Oberheim OB-Xa original wooden end cap sides 1980s ($269.99)

Oberheim OB-Xa 8-voice Vintage Analog Keyboard Synthesizer 8-voice as-is obxa ($6,650)

Oberheim OB-Xa Synthesizer Polyphonic Analog Synth OBXa Vintage Rare 6-voice as-is ($5,500)

Oberheim OB-XA Rev C firmware OS Eprom set OBXA Rom ($58.16)

Oberheim OB-Xa Program Patches Booklet 1982 ($25)

Oberheim - OB-Xa - Phone jack ($10.90)

Oberheim - OB-Xa - Black Switch without LED ($10)

Oberheim Pratt Reed OB-XA Keybed Complete 1980s ($499.99)

Oberheim OB-XA Rev G firmware OS EPROM set OBXA Latest Version Rom ($56.95)

Oberheim OB-X / OB-Xa / OB-8 / OB-SX - Push Button Switch - Black ($9.70)

Oberheim OB-X / OB-Xa / OB-8 / OB-SX - Push Button Switch / Black with LED ($9.70)

Oberheim OB-Xa - Complete set (50pcs) of Push Button Switches ($303.25)

Oberheim OBXA ($14,434.78)

Oberheim - OB-SX/X/Xa , DSX OB-8 - Black Switch with LED ($14.90)

OBERHEIM OB XA - 120 PROGRAMS - 8 VOICES ($7,278.04)

Virtual Oberheim OB-Xa editor / programmer - (Encore 1.2) - LOGIC v4 - X ($19.99)

Oberheim OB-X / OB-Xa - SCI Prophet-5 - Set of 10 black keys holding springs for Pratt-Read Keybed ($37.60)

Oberheim OB-X / OB-Xa - SCI Prophet-5 .... - Set of 10 White key holding springs for Pratt-Read keybed ($37.60)