Synths ⇝ Oberheim ⇝ Oberheim OB-SX

The Oberheim OB-SX has 2, 4, or 6 notes of polyphony depending on the number of 2-voice oscillator cards installed. It was meant to be a portable version of the OB-X and has the same sound. The 6-voice version had a list price of $3495 and the 4-voice was $2995.

The original version had 24 patch memories. Later versions had 48 or 56 patch memories. It used CEM3340 chips for its VCOs, CEM3320 for its filter, and CEM3310 for its envelope generators.

Specifications

Year Released: 1980

MSRP: $3495

Keyboard: 48 keys

Preset Patches: 24

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Items for Sale on Reverb

Oberheim Ob-1 - Ob-Sx - Ob-X - Ob-Xa - Ob-8 - Battery Holder replacement Fix ($13.15)

Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($14.25)

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

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 ($45)

Oberheim - OB-SX - New RED Switch - Auto ($14.90)

Oberheim OB-SX SIX-VOICE <> RARE model with its own distinctive sounds + MIDI interface! ($6,509.11)

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

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

Replacement Key Spring for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet ($1)

Replacement F key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

Replacement A key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

Replacement Sharp/Black key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Pr ($10)

Replacement B key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

Replacement D key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

Replacement G key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

Replacement E key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

Replacement Sharp/Black key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Pr ($10)

Replacement C key for Korg Polysix/Poly-61/Poly-800/DW-6000, Memorymoog, Oberheim OB-8, Prophet-600, ($14)

5 x Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($57.76)

Panasonic 3 Volt Battery for Oberheim DX OB-1 OB-SX OB-X OB-Xa OB-8 ($22.95)