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)

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

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

Oberheim OB-Xa ($12,000)

Oberheim OB-XA ($5,800)

Oberheim OB-Xa 61-Key 6-Voice Synthesizer 1981 - Blue with Wood Sides ($7,545)

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

Oberheim OB-Xa ($8,750)

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

Oberheim OB-Xa 61-Key 8-Voice Synthesizer 1981 - Blue with Wood Sides ($10,000)

'82 Oberheim OB-XA - Fully Serviced ($8,147.89)

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

Oberheim OB-Xa (8 voices, MIDI) // Restored by VS&Co ($12,293.39)

Oberheim OB-Xa 8-Voice & 120 programs with MIDI ($11,174.56)

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

Screws & washer cup (12pcs) for Oberheim OB-Xa / OB-8 / XPANDER / Matrix-12 / DSX / DMX / DX ($37.25)

Oberheim Ob-1 - Ob-Sx - Ob-X - Ob-Xa - Ob-8 - Battery Holder replacement Fix ($18.56)

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

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 ($65.19)

Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($16.08)

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

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

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

Oberheim OB-Xa Synthesizer Shell Only ($249)

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

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

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

Oberheim OB-Xa Owner manual 1982 ($85)

Oberheim OB-XA Rev AD0 firmware OS Eprom set OBXA Early Version Rom 32 Programs ($59.54)

Oberheim OB-XA Rev G firmware OS EPROM set OBXA Latest Version Rom ($58.30)

Oberheim OB-XA Rev C firmware OS Eprom set OBXA Rom ($59.54)

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 1980s Vintage Analog Synthesizer (Owned by Styx) ($7,199.99)

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

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

Oberheim OB-Xa Pitch and Modulation Control Panel 80s ($350)

Oberheim OB-X / OB-Xa / OB-8 / OB-SX - Push Button Switch / Black with LED ($9.93)

Oberheim OB-X / OB-Xa / OB-8 / OB-SX - Push Button Switch - Black ($9.93)

Oberheim OB-Xa - Complete set (50pcs) of Push Button Switches ($248.35)

Oberheim OBXA ($14,776.90)

Calzone Oberheim obxa custom road case ($550)

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

OBERHEIM OB-XA VOICE BOARD PCB BY AUDIO-DESIGN ($62.09)

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 ($38.49)

Oberheim OB-X / OB-Xa - SCI Prophet-5 .... - Set of 10 White key holding springs for Pratt-Read keybed ($38.49)

Spring for Bender Section / Oberheim OB-8, OB-X, OB-Xa, Matrix 12, OB-1 ($11.80)