Oberheim Xpander Manuale utente

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Owners Manua

Daniel Sofer

First Edition June 1984

CAUTION:

To Prevent fire or shock hazard do not expose this appliance to rain or mosture. Do ret remove cover Nc

user serviceable parts inside Peter servicing to qualified service personei

WARNING.

This equipment generates and uses radio frequency energy and dnot installed and usee proper 'y. »e. m

strict accordance with the instruction manual, may cause harmful interference to radio communications, r.

nas been tested and found to comply with the limits tar aClass Acomputing device persuart to Subpa't J

of Part 15 of FCC Rules which are designed to provide reasonable protect on against such interference

wfien operated in acommercial environment.

Operation o* this oq.j pmc-nt "arcsocntta area is livi'iy to cease ntene'erce in which cuse tt-euser at Ins

own expense will be required to take whatever measures may be required to cor'ect the interference.

OBGRHGM ELECTRONICS, INC

2250 South Barrington Avenue

Los Angeles, California 90064

USA

Tel. (213)473-6574

Telex 6631071 OBRHM

OMihetfR.tnoOwrhesm ;.ogo. Xjvwmtr OH 6.DSX, DVX.arfl Matrix UOdUl&Uort £'* t'dden jrk^. -J CLeil *triC«ttrt>rm:s Ii.j

V-dcvdiiil *s'.f p*lnnr..'M)i Apt.* COfiput*r IiiC IBM FC •£ 3If^^fn^v c«t IHM T."

Vanu.-. Dcsiyn atxi Gi&shiu* by Daniel Sc-'er. Oovrv !>e?ifln bv Dt;.'«3 Sc^'-^r X{v»nr»pr crtofcgrapr'S c» f:-avirt Nnrwoc"

Table of Contents v**s..ss..ss*s±^

5Welcome to the Xpander

6Taming The Beast ("How Do IWork This? »t

)

Plug ft In

Power

Sound System

Controller

Picture This

Hookup Diagram

Hear Pane! Diagram

Front Pane Picture

Check it Out

Tune ft Up

Master Tune

Master transpose

Autotune Calibration

Listen To It

Selecting Patches

Auditioning Mu'tt Patches

Aucition ng Sngie Pateties

Running the Xpander From CVs? Head This

Playing Pateties

Page Theory

Primary Pages

Other Pages

Knobs And Buttons

16Programmed Xcellence

Using The Programmer

Selecting Single Or Mufti Patch Mode

Selecting Patches

Editing Patches

Comparing The Edited and Unedited Patch

Storing Patches

Selecting And Editing Patches While In Multi Patch Mode

Copying aPaten From One Voce To Another

Editing Several Voices Simultaneously

Getting Back To Square One

Master Reset

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Xpander Owners Manual

20 Creative Input /The Xpanded Voice

Single Patch Pages

VC01 and VC02

Page 1Controls

Modulation

Page 2Controls

VCF/ VGA

Moculation

Rage 2

The Xoandec Filter

VCAs

FMS LAG

Lag

ENVX

Selecting an Envelope

Envelope Functions

Page 2

Creating Very Long or Unusual Envelope

Stopping An Envelope

LFOX

Selecting an LFO

LFO Controls

Waveforms

Page 2

Modulating the LFO

TRACK X

Selecting aTracking Generator

Operation

Ideas

RAMPX

Selecting aRan-p

Operation

MISC

Naming Patches

Modulation Pages

Possible Modulation Sources

Selecting Modulation

Addmg aModulation Source

Changing aModulation Source

Removsrg aModulation Source

Options

Quantized Modulation

Positive/ Negative Modulation

Mut pie Modulation

Mediation Limitation

..'.„_i'f

Xpandef Owners Manual

42 Putting It All Together

44 Mufti Patch Pages

44 VOLUME

44 PAN

45 TRANSPOSE

45 VIBControls

Page 2

46 CV/MIDI

47 ZONES

Input

1mil

Mode

Splits, Doubles, and Triples

48 MISC

Nam ng Patches

49 Master Pages

49 MASTER MULTI PAGES

49 CHAIN

Control Functions

49 MIDI

Channel

Controls

Enables

Send

Rese*

Mute

52 GATE* -

52 CASS

52 SERVICE PAGES

Voices On /Off

Service

Version

Save It (A Good Investment)

Learning To Lo¥e Your Cassette Interface

Hookup

Access

Save It

Check It

Loading In

Errors

iusesOf Er-ors

Error Messages

Synthesthesia

Basic Programming Concepts

Subtractlve Synthesis

FM Synthesis

Terms Of Modulation

Subtlety

Mathematics

Other Considerations

Choices

Modifying The Basic Patch

66 Appendices

70 Error Messages

MIDI Controllers

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Xpander Owners Manual

Welcome to the Xpander

The Oberheim Xpander combines major innovations in analog and digital hardware with

computer software, resulting in acompact, easy to use instrument with vast capabilities.

Each of the Xpander's six voices are completely independent. They can each have adiffer

ent sound, and can be operated from different MIDI or Control Voltage based controllers

simultaneously.

Many of the Xpander's new features are made possible because of the design of the com-

puters" software, or operating instructions. Many circuits that on earlier synthesizers were

made up of transistors, resistors and even integrated circuit chips, have been replaced by

computer instructions in the Xpander. This use of computer software instead of electronic

hardware results in unprecedented flexibility and sophistication with fewer parts, which

means less cost and more reliability.

Because the Xpander has features and capabilities never before available, we recommend

that you familiarize yourself with these new functions to get the most out of your Xpander

Experiment! You'll never know what you'll discover.

!> Xpander Owners Manual

Taming The Beast ("HovvDo IWork This?")

H^f ^^—^^^-

Plug It In

8Power

8Sound System

8Controller

9Picture This

9Hookup Qiagviro

9Rear sanei Diagram

10 Front pane- Dict jrc

11 Check it Out

11 Tune It Up

11 Master Tune

11 Master Transpose

11 Autotune Calibration

11 Listen To It

11 Selecting Patches

12 Auditioning Multi Patches

12 Auciticv-nq Smgie Patches

12 Running the Xpander From CVh *Read This

12 Play ng"Patches

13 Page Theory

13 Primary Pages

14 Other Pages

14Knobs And Buttons

Xpanuer Owners Manual Taming Ihe Beast

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 arecessed 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 amixing 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 aMIDI 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.

HXpander Owners Manual Taming The Beast

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Xpander Owners Manual Taming The deast

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