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.
Year Released: 1980
MSRP: 3495.00 USD
Keyboard: 48 keys
Preset Patches: 24
Oberheim OB-SX Solid Walnut Replacement Wood Sides ($99)
Oberheim OB-SX Keyboard ($3,199.99)
Oberheim OB-SX 49-Key 6-Voice w/ mlab magicBox and BCR2000 ($5,200)
Oberheim OB-SX Vintage 80's Analogue Polyphonic Preset Synthesiser ($3,893.08)
Oberheim OB-SX 49-Key 6-Voice Synthesizer 1980 - Black with Wood Sides ($4,085)
Oberheim OB-SX Analog Synthesizer FULL REFURBISHED Keyboard VINTAGE SYNTH DEALER ($8,699)
Oberheim OB-SX SIX-VOICE <> RARE model with its own distinctive sounds ($3,724.47)
Oberheim Ob-1 - Ob-Sx - Ob-X - Ob-Xa - Ob-8 - Battery Holder replacement Fix ($13.94)
Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($13.94)
Oberheim - OB-1 , OB-SX , OB-X , OB-Xa - voltage selector slide switc ($8.90)
5 x Oberheim OB-SX OB-X OB-Xa OB-8 DSX Switch with LED OBSX OBX OBXA OB8 ($56.50)
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 - 2/4/8-Voice , SEM , OB-1 , OB-SX , OB-X , OB-Xa - Key bushing ($0.99)
Oberheim - OB-SX - New RED Switch - Auto ($14.90)
Oberheim - OB-SX - 1/4-inch mono phone jack - For mod pedal, cv out, gate out ($7.99)
Oberheim OB-SX - Complete set (15pcs) of Push Buttons Switches ($89.33)
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)
Panasonic 3 Volt Battery for Oberheim DX OB-1 OB-SX OB-X OB-Xa OB-8 ($26.95)
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