Oberheim Xpander Owner's Manual

Plug
It In
You
need
throe
things before
you
can
get
any
sound out of the
Xpander:
POWER
The
Xpander can operate
on AC
power between
100-130
volts or
200-260 volts. Make sure
the
Xpander
is set for the voltage in
your location
before plugging in the
power.
On the back
of the
Xpander, next to
the power outlet
and power
on/off
switch, is
a
recessed
switch
which
selects
the operating
power
range
to
100-130 volts
("1 15")
or 200-260
volts
("230").
Remove
the red
foil cover
from
the
power socket
and
plug in the
power cord
to
the
Xpander
and the AC power source
Turn on the
Xpander
with
the
power switch
next to
the power socket
on the back
panel. Do
the
displays on the
Xpander light up? Does
the power switch
light
up?
If not.
check your
connections.
SOUND
SYSTEM
Connect the
Xpander to a
mixing board,
stereo
instrument
amplifier, or other
sound
system
using the
stereo
or mono
mixed
outputs,
for now
(There are also
individual voice
outputs
on
the back
panel of
the Xpander
We'll
get
into how to use
them later. See
the
PAN Multi
Patch
Page)
CONTROLLER
The Xpander needs to be
connected
to
some other
device that
will tell the
Xpander
when
and what to
play
The
Xpander can be
controlled
by
anything
with MIDI or Control
Voltage/
Gate Outputs
To
operate the
Xpander from
a
MIDI
controller such as an
Oberheim OB-8
or Oberheim MIDI
Keyboard,
connect the
controller's MIDI OUT to
the
Xpander's MIDI IN.
When the
Xpander is
first turned
on.
it
will receive
MIDI information
on all
16
MIDI channels.
To operate the Xpander
using
Control Voltages and Gate
Outputs from
the Oberheim
DSX
Sequencer or
other source,
connect
the Control Voltage
and Gate
Outputs
of your
controller
to the
six
pairs of CV
/GATE INPUTS on the back
of
the Xpander.
H Xpander Owners Manual
Taming The Beast

Oberheim Xpander Specifications

General

Type	Analog Synthesizer
Polyphony	6 voices
Oscillators	2 VCOs per voice
Control	MIDI
Synthesis Type	Analog Subtractive
VCA	1 per voice
Memory	100 patches
Modulation	Extensive modulation matrix
Year Released	1984
Filters	Multi-mode filter per voice
Envelopes	3 per voice
Keyboard	No keyboard
Inputs	CV/Gate
Outputs	Individual voice outputs