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Oberheim
OB-SX

Description from the Oberheim OB-SX
Owner's Manual

The Oberhiem OB-SX brings polyphonic synthesis to the discerning
keyboardist at an affordable price. It's as simple to use as the popular
"string machines" with the versatility of sounds achievable only with a
variable synthesizer. The OB-SX is a real synthesizer utilizing the
same circuitry as the celebrated OB-X. User programmability is
unnessary since the 'SX' is programmable with 24 sounds including
those sounds most used and requested, such as:Strings, brass, clavinet,
organ, electric piano, bass, flute, and synthesizers solo. Other great
sounds, many unique to the 'X' family, are also included. Each
program can be modified to ones" own personal taste by adjusting
the front panel controls (Since they are constantly in edit mode). The
programs (sounds) are permanently stored on a plug-in computer
memory chip. Should 24 programs not be enough, an additional
24 are available for a nominal charge. A switch on the back panel
is provided to switch from each group. Custom chips can be used by
sending an OB-X cassette tape to Oberheim (first 24 programs can
be used). The key ingredient to the OB-SX is: although it's as simple
to operate as your typical string machine, you can update your sounds
by changing program chips.


Features include:

Four Voice or Six Voice option.
24/48 program options.
Four octive keyboards.
Operates on line volts or 180-260 volts.
Pitch bend and modulation levers.
Auto tune;.

Hold/chord feature.


Edit Mode:

Unison, Portamento, LFO Rate,
Osc 2 Detune, Filter Frequence,

Attack, Decay, Release; Transpose.


Rear panal interfaces:

Filter pedal.
Sustain foot switch.
Modulation pedal.
CV IN/OUT.
Group A/B program switch.

and Oberheim computer interface.


Dimensions:

34.5" wide, 20.25" deep, 4.5" high

Weight:

approximately 35 lbs




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