Oberheim Xpander Owner's Manual

4HW— BUW5
W
»
M
Check
It
Out
TUNE IT
UP
Now
that
you've got
the
Xpander
turned on. let's
tune
it. Here's
how:
Press
TUNE PAGE (in
the
Master Section) to
access
the tuning
controls
I his
is
how the
Xpander
operates
press a
button tor a desired
page and the
controls
for
that
page
appear on the
displays in the
Page
Modifier
section.
Master Tune
Look at
the
Page
Modifier
section.
The third knob
is the
Master
Tune control
Turn
it to fine
tune the
pitch
of
the
Xpander.
The
lower
display shows
the master
pitch
"0"
equals
A
-
440Hz.
"
-
•
is
sharp,
and
"
'
is
flat.
The
tuning range (,•
3V) covers
a quarter-tone up
or
down.
Master
Transpose
The
sixth knob
in
the
Page
Modifier
section is
the Master
Transpose.
Turn
it
to
transpose the
entire
Xpander
up
or down
in
semitone steps.
You
can
transpose
the
Xpander
up
to
two
octaves
up or three
octaves
down.
Autotune
Calibration
The expanded
Auto-Tune
capabilities
of the
Xpander are
shown
on the
upper display
Press
the
button
under the
"ALL'"
display to
tune
all the
Xpander
functions.
Besides the
normal
oscillator
tuning,
you'll notice
things that have
never been
tuned
on
a
synthesizer
before
pulse
width,
filter
frequency, and
resonance.
These
automatic
calibrations keep
the
filters
as
well
as
oscillators
in
perfect tune, the
resonance
reliable and
square waves
square
Tuning isn't
something you
should
have
to
do
often:
once
when
you
turn it on
and
then
maybe
once
more a
little bit
later.
Tuning
everything on the
Xpander takes
almost a
minute to
complete,
so you
can
tune just
one
function
instead.
Tune the
oscillators
for example, by
pressing "VCOS"
instead
of
'ALL"
LISTEN
TO
IT
There
are two
kinds of
sound
programs
in
the
Xpander
Single
Patches
and
Multi Patches
Single
Patches
store the
settings
for each
sound,
while
Multi
Patches
combine
six individual
Single
Patches,
along
with
mix, pan.
and
transposition
into
a
programmed
combination,
I
ot's
explore some
Multi Patches
and
listen
to
some
of
the sounds
that
are
possible
on
the
Xpander.
Selecting
Patches
Programs
are
selected in
the
Programmer
section
of the
Xpander
On
the
Programmer
dis-
play, the
left most
digit
will show
"M"
for
Multi Patches
or S"
for
Single
Patches, the
next
digits
show
the
patch
number and
name.
If
the
display
shows
that you
are in
Single
Patch
mode,
press
the MULTI
PATCH
button.
Once
in the
desired
mode (Multi).
pressing
two
digits on
the
Programmer
Keypad
selects
a
new
Multi Patch.
<»tt «*,-""—
J
Xpander Owners
Manual Tamir.g
I
he 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