Sequential Circuits Split-8 User Manual

Sequential^

The

Split-Eight

synthesizer

programmable

And

that's

For

instance,

keyboard

Mode,

modes:

the

five-octave

voices

for

traditional

assigns

all

bold

sound

Double

of

each

other.Inthis

keytocreate

capabilities

at

one

time.

The

exciting

performance,

at

each

endofthe

with

the

left

point

canbeprogrammed.

instrument

the

split

point.

link

feature

simultaneously.

The

fully

programmed

and

several

sounds

sounds.

can be

isafully

featuring

keyboard

just

the

beginning!

The

Single,

same

soundisplayed

keyboard.

programmable

a

full

5-octave

split

Split-Eight

Unison,

This

provides

polyphonic

eight

voicestoa

ideal for

mode

of

lead

synth

lets

the

user

way,

two

complex

two

sounds

independent

Split

Modeisparticularly

becauseitlets

keyboard

hand

andaflute

WheninSplit

automatically

The

which

programmable

sounds,

impressive

easily

assigns

Split-Eight

lets

you

callupSplitorDouble

Split-Eight

including

orchestral

modifiedorreplaced

Announcing

New

eight

keyboard

for

$1,195.00

offers

DoubleorSplit.InSingle

across

playing.

single

playing.

layer

sounds

utilizing

oscillators,

the

user

(suchasplaying

with

four

also features

a

variety

and

suggested

a

choiceoffour

the

lengthofthe

the

user

with

Unison

note,

creating

different

soundsontop

are

triggered

the

full

filters,

useful

play

different

the

right)!

Mode,

voicestoeach

comes

of

original

keyboard

with

8-Voice

voice

and

retail.

eight

mode

a

very

by

programming

and

in

sounds

a

bass

sound

The

split

the

side

a

programmable

programs

with64pre

sounds

timbres.

custom

The

Programmable

full

full,

each

VGA's

of

All

Split-Eight,

Synthesizer!

A

built-in

chorusing.

The

Eachofthe

waveform

envelope

64

pre-programmed

Creating

which

parameters.

if

the

parameter

The

andBalong

chorus

footswitch,

Sequential

of

MIDI

available

ofasplit

channel. This

keyboards

Through

change

second

to

receive

chorus

provides

Technical

VCO,a4-pole

generators

allows

programisbeing

back

mix.

functions.

along

MIDI,

information,

Split-Eight.

Stuff

instrument's

lowpass

andanLFO.

sounds.

custom

LEDs

value.

and

soundsiseasy!

fast

selection

clearly

indicate

edited,

panel

contains

witha1/4"

Cassette

MIDI

supports

main

In

and

Input

the

Modes1and3(Omni

with

the

ability

program

independently

and

maybeassignedtoa

allows

the

usertocontrol

with

the

Split-Eight

and

transfer

Other

send

pitch

programmable

eight

and

individual

Out,amulti-purpose

and

Split-Eight

each

MIDI

bend

on/off

voices

feature

a

filter,

a

VCA,

two

The

Split-Eight

Thereisa

easy

editingof31

the

selected

will

also

outputs

output

that

Output

withanextensive

to

disengage

sideofthe

can

send

programstoand

features

and

modulation

graphic

program,

display

the

for

gives

you

are

also

and

Poly)

MIDI.

separate

other

MIDI

keyboard.

and

receive

include

the

information.

multi-

ADSR

comes

with

matrix

different

and

channels

included.

A

the

array

are

Each

side

MIDI

program

from

a

ability

SPLIT-EIGHT

SPECIFICATIONS

VOICES:

Split-Eight

consists

PROGRAMMABILITT:

KEYBOARD:

isaneight-voice

of:

One

Voltage-Controlled

Waveshapes

variable

Timing:

One

Voltage-Controlled

24dB/octave

One

Voltage-Controlled

Waveshapes

IWo

Envelope

Attack:7milliseconds

Decay:7milliseconds

Sustain:

Release: 7

31

Parameters

Five

octave(Cto

Split

Keyboard

Link,

available

pulse.

9-octave

slope.

available:

Generators

0to10

milliseconds

are

available

C).

range:

2

Split,

Double.

CHORUS:

Programmable

OUTPUTS:

Audio

Separate

Tape

Out:

One

MIDI:5pin

On/Off.

Output:

audio

1/4"

outputs

For

saving

DIN.

polyphonic

range.

Volts.

octaves

phone

forAandB(4

programstocassette.

synthesizer.

Oscillator:

are

sawtooth,

Lowpass

Oscillator:

Square

Triangle,

(filter,

-11seconds.

-14seconds.

for

programming.

Filter:

wave,

Rate:

amp):

Each

triangle,

Rate:

1-12.5

(C2toC4).

jack

(mix).

voicestoeach).

1-33

Hz.

voice

and

Hz.

INPUTS:

One

MIDI:5pin

Tape

In:

For

Footswitch

MIDI

IMPLEMENTATION:

MIDI

Modes:

OMNI

POLY

Separate

Channel

Assignment:

DIN.

loading

Jack:

Mode.

Mode

MIDI

Channels01through

Program

Wheel

Program

Local

UNIQUE

1)

Select

Enable/Disable.

Send/Receive:

Send1program.

Off:

(for

Channel

Allows

separate

FEATURES:

Delay:

wheninunison,

canbedelayedby20,

2)

Poly

Mode:

entire

audio

WheninDouble

outputofprogramBto

programA(replacing

programs

1/4"

(partial

channels

from

phone.

list)

for

each

cassette.

sideinSplit

16.

B)

controlofChannelBover

the

triggering

40,or80

A's

oscillator).

of

half

milliseconds.

Mode,

this

assigns

the

filter

Mode.

MIDI.

the

voices

the

input

of

3051

North

First

Street

San

Jose,CA95134

Telex:

4997150

SEQC1R

In

Europe:

Sequential/Europe

P.O.

Box

16,

3640AAMijdrecht

The

Netherlands

Telex:

12721

SQNTL

OPERATION

MANUAL

PREPARATION

PLAYING

Introduction

Tuning

Preset

Mode

Single

Mode

Link

Mode

Split

Mode

Double

Mode

Wheels

and

Programmable

Footswitch

PARAMETERS

Editing

and

Selecting

Adjusting

Cancelling

Recording

Copying

Basic

Performance

Glide

Chorus

Unison

Delay

Footswitch

Synthesizer

Oscillator

LFO

Filter

Amplifier

Programming

Parameters

Parameter

Edits

Edited

Programs

Patch

Parameters

Accent

Sub-program

Parameters

Group

TableofContents

Parameters

Values

Programs

3

•3

4

5

6

7

8

9

10

12

Kf

15

17

MIDI

Disable

MIDI

Enable

MIDI

Expand

#1

Mode1Select

02

Dump

03

Mode3Select

05

Enable/Disable

06

Enable/Disable

Program

TunebyMIDI

MIDI

Transmitted

Recognized

Mode

Programs

DumpbyMIDI

Request

Specification

21

22

Program Changes

Wheel

Changes

Request

22

23

CM608

CASSETTE

Connections

Save

Verify

Load

MIDI

Connections

Keyboard

ChannelBLocal

Channel

A

INTERFACE

Control

Selection

Disable

iii

19

21

CM608A

PREPARATION

CAUTION!Topreventaloud pop,

power

off,

switch

off

memory,

than

use

unplugging

the

power

it).

amplifier

switchonthe

power

backofthe

when

switching

first.

Also,toprotect

Split-Eight

the

(rather

WARNING!

connectingordisconnecting

1.

Connect

Foramonophonic

both

Note:

Switch

audio

theAandBchannels,

The

power

outputs.

system,

built-in

chorusisonly

off to

anything.

use

plus

Forastereoormixer-input

OUTPUTS.

Double

the

playing

2.Ifdesired,

normally

under

3.

For

(below).

4.

For

to

OFF.

5.

Connect

This

mode.InSplit

keyboard

and

anywhereonthe

connect

Use

Sequential

open).

Performance

The

cassette

MIDI

connections,

CAUTION!

Before

power

willbemost

useful

mode,

ChannelAcomes

ChannelBcomes

keyboard

optional

footswitch

Parameters.

interface

footswitchtoCASS/FTSW

Model

839orequivalent

control

connections

see

the

proceeding,

cabletoa

properly-grounded

all

equipmentinuse

MIX

OUTPUT.

the

chorus.

availableatthis

system,

plays

when

from

both

use the

the

functions

see

Cassette

MIDI

section

check

that the

before

This

signal

contains

output.

separateAand

keyboardisin

from

the

left.InDouble

channels

Split

right

side

mode,

simultaneously.

IN.

(momentary-type,

are

explained

Interface

below,

section

(below).

power

switchisset

power

line.

B

or

of

7.

Adjust

VolumeAand

CAUTION!Toprotect

both

VolumeAandBto

increase

so

signal-to-noise

amplifier

8.

positionitis

asamajor

9.

move

program.

10.

toapiano,

both

Note:

you

will

gain.)

Check

that

Always

Check

that

Start

the

Center

volumes

The

often

start

possibletobend

3rd.

withaminimumofmodulation.Toincrease

wheel

Master

for

gradually.

volume

controls

wanttoadjust

ratio,

raise

the

Pitch

with

the

Mod

forward.

Tune.Oradjustasneededtotune

example.

B.

ears

and

minimum.

speakers,

are

also

.Then

usedtobalance

them

theAandBVolumes

wheeliscentered.

this

wheel

centeredinits

pitch

upwardsordownwardsbyas

wheelisfully

The

down

(towards

effectofthis

before

play

playing,

the

simultaneously.

while

"detent."

you).

depends

upon

reduce

keyboard

the

lowering

the

and

channels,

(For

best

the

From

this

much

modulation,

the

selected

Split-Eight

6.

Switch

power

Normal

"8",

indicating

and

program11is

If

youdonot

source

first,

CM608A

on.

indications

which

then

are that

voiceistuning

automatically

obtain

these

the

fuse

(1/2A,

the

right

display

up.

When

selected.

visual

indications,

slo-blo).

this

ends,

counts

from

Preset

check

your

"1"

to

lights,

power

CM608A

PLAYING

INTRODUCTION

At

this

point,

power

has

been

Tune

and

"PREPARATION11).

Basically,

1

2.

playing

Selecting

Selectin!

the

3.°PUying°th^

This

section

The

Split-Eight

Volume

Drofcrams.

Ks?The

switched

After

mmmsTtry

PARAMETERS

TUNING

Before

££

UwMsound

Einht

osHllatofs

on!)

If

it

Parameter

This

when

control or

you

warms

These

off.

familiarizing

olavin*

oPs1^tors

also

wnenThl

the

Split-Eight

retunes:

Hold

starts

power

Note:

may

needtoslightly

up.

knobs

Only

the

Split-Eight

keyboard

the

desired

keyboard

covers

these

comes

represent

sound

programs

yourself

creating

section.

however,

which

outoftune

includesanautomatic

Group

paramfler

Split-Eight

is

tuningavoice while

down

Record

switch.

tuningofaU

was

switched

Tuning,

whether

switchedonand

have

the

mode:

program

and

activities.

pre-programmed

your

you

driftinresponse

been

Preset switchison.

isamatter

Single,

(Single

using

the

a wide

stayinmemory

with

own

mustbeaware

foralittle

is

(which

voices,

with

on.

automaticormanual,

settings,

butifplaying

readjust

the

positioned

of:

Split,orDouble.

mode)orprograms

wheels

for

with 64

rangeofuseful

the

Split-Eight

sound

programs

to

changing

whileasit

tuning

system

not

being

you

will

blink)

the

display

Master

wheels,

correctly

expression.

r*^*""*

instruments

even

when

and

its

by

studying

that

the

Split-Eight

temperature

warms-up™*W£

which

played

wanttoplay,

with

Tuneasthe

retunes

(but

power

and

press

indicating

does

not

other

instruments,

Master

(see

(Split

or

and

power

is

factory

the

uses

So

the

is

still

thisisno

the

OSC

asitdid

alter-any

Split-Eight

PRESET

When

current

»wer-up?To

the

MODE

the

Preset

soimd

switch

program.

select

PROGRAM

When

the

mode

allows

more

information

SINGLE

When

the

LINK

When

Double

Channel

SPLIT

When

fthkeyboard

of

the

mode

essentially

within

SELECT

Preset

switchisoff,

youtoreprogram

on

MODE

Split

and

MODE

Linkisoff,

switches.

B.

MODE

Splitison,

you

the

keyboard

,

while

select the

the

sameasSingle

second

is lit,

another

editing,

Double

the four

same

and

^iKStfK

whichistobethe

lowest

the

Program11is

switches

numberinthe

program,

see the

LEDs

enter

(1-8).

the

Split-Eight

the

parameters

PARAMETERS

are

both

modeisonly

Channel

the

four

the

four

third

keyonthe

A

voices

A

ChannelBvoices

program

octaves.

control

number

mode.)

pane.

right

display

is

selected

the

desired

isinEdit

to

suit

off,

the

controlled

play

py

for

will

blink),

side.

that of the

automat.cally

number

mode.

your

taste.

section.)

Split-Eight

with

the

Split

from

the

play

both

right side

from

f

channels,

and

press

on

usmg

Edit

(For

is

in

and

the

left

this

is

the

key

CM608A

CM60SA

J

To

Link

ChannelBand

1.

With

Split

2.

Set

the

3.

k.

the

ChannelBprogram,

switch

5.

6.

DOUBLE

When

split

Switch

Link

Switch

Record

backtoChannelA.Any

Enter

two

Record

mode

MODE

Double

modeison,

the

on,

but

Link

pointasabove.

on.

digits

for

will

switch

playinparallel.Inother

channels.

maximumoffour

IfinDouble

then

thickens

To

selected

(Since

there

keys.)

mode

two

voices

the

linkaspecific

1.

With

Doubleonbut

2.

Switch

3.

Switch

automatically.)

k.

Enter

two

5.

Record

you

with

sound

but

ChannelBprogramtoChannelAselections

Link

on.

Record

on.

digits

goes

off.

are

select

the

does

(If

for

split

pointtoChannel

off,

select the

(This

will

andifChannelBwas

editsinChannelAare

desired

destination

off

automatically.

the

four

words

each

four

voices

the

same

sound

not

change

Link

off,

select

ChannelBwas

desired

destination

desired

clear

any

edits

programinChannel

voices

eachinChannelsAand

key

plays

per

channel,

same

program

are

asignedtoone

the

timbre.

desired

selected,

programinChannel

A:

programs.

currently

selected,

one

for

programs.

not

lost.)

voice

you

can

both

will

from

channels,

key.

ChannelAwill

made

also

A.

both

play

This

A.

to

B

a

be

PROGRAMMABLE

While

playing

responseofthe

becausebyselectingaprogram

parameters

sound

producedbythe

For example,

vojcestothe

the

glide

pitchesorslews

parameter

footswitchtoprovideanaccent,ortemporarily

program.*1

cuts-off

Allofthe

section.

The

the

PARAMETERS

with

the

factory

keyboard,

which

you

may

lowest

wheels,

define

the

synthesizer

have

key

played.

determines

the

notes.

The

program

ChannelBaudio

programmable

may

switchonthe

output).

parameters

programs,

you

performance

voices.

noticed

Thisisthe

whether

program,

you

and

footswitch

indirectly

that

some

the

mayormay

chorus,orPoly-Mod

are

may

have

changing.

control

controlsaswellasthe

programs

Unison

parameter.

keyboard

changetoa

explainedinthe

noticed

over

assign

plays

discrete

not

cause

the

This

is

thirty

all

Also,

the

"sub

(which

The

same

effectofthe

program.

rest

In

wheelsoneither

The

continue

CM608A

AND

FOOTSWITCH

wheels

are

degree.

The

When

positions.

Split

modeitis

1.

Select

Hold

desired

down

2.

effectofthe

reading.

monophonic,

Mod

they

side.Toswitch

Record,

that

is,

they

effectofthe

(modulation)

are

usefultobe

channel.

Pitch

notinuse,besuretoreturn

wheel

abletodisable

the

wheelsonand

and

press

the

footswitchisprogrammed.

affect

wheelisalways

dependsonthe

LFO

Parameter

For

all

voicestothe

the

same.

selected

themtotheir

the

effectofthe

off:

Group

switch.

more

information,

The

CM608A

PARAMETERS

EDITING

factory

To

was

Selecting

There

(Selection

either

select

For

PROGRAM

selected.

Adjusting

When

parameter

switches).

knob.

only

99

AND

PROGRAMMING

Note:

Before

programs

adjust

(edit)

on,itwill

are30program

order,

the

example,ifthe

Presetisoff,

program

also

Parameters

032isthe

select

column

SELECT5is

Parameter

whichiscurrently

To

adjust the

Note:

The

shows

(100to127),

Filter

two

digits.

the1is

editing

programsitmaybea

using

the

cassette

parameters,

switch

off.)

parameters

MIDI

Channel,

the

row

using

the

PROGRAM

FILTER

lit,

Values

the

numberinthe

parameter

Cutoff

parameter

Therefore

not

displayed.

interface.

first

switch

arrangedina

and

one

the

Parameter

then

the

selected

value,

when

locationisunused.)

Parameter

SELECT

Group

Filter

displayisthe

(by

the

turn

rangesto127,

adjusting

good

ideatosave

Preset

off.

k x8matrix.

Group

switches,

switches.

switchislit

Decay

parameter

valueotthe

parameter

the

Parameter

but

this

the

parameter

the

(If

Link

In

and

is

matrix

Value

display

above

Copying

To

then

Programs

copyaprogram,

select the

Asastarting

all

program

This

PROGRAM

follows:

If

desired,

many

PERFORMANCE

Glide

parameterstothe

canbedone

SELECT1.This

Coarse:

Sawtooth

Cutoff:

KBD

Track:2(full)

Amp

Sustain:

Voice

Volume:

this

editing*departures

Sy£2!l?!fc«

the

voicesdonot

to

slew.

Unisonisoff,

but

The

can

makeaninteresting

select

desired

point

for

2^

wave:1(on)

127

basic

PARAMETERS

step

effect

polyphonic

the

destination.

creating

easilybyholding

15

sets

patch

canberecordedasa

canbemade.

the

Keyboard.

instantly

canbemade

glide

effect.

desired

new

minimum

between

results,

program,

sounds

it is

requiredtoproduceatone.

down

all

parametersto00,

.

switch

Record

often

helpfultoclear

Record

and

program

As

the

glide

pitches,

subtleorquite

whichisnot

value

nstead,

extreme.

easytopreset,

on,

pressing

except

as

from

which

increases

they

begm

When

Cancelling

to

Presetonand

Recording

After

1.

Switch

2.

Switch

3.

panel

switch

edited

program).

CM60SA

Edits:

cancel

all

edit

changes

re-select

Edited

editing

Enter

stops

Note:Ifyou

Record

programisrecordedinthat location (and

Programs

a programasdesired,

Preset

on.

Record

on.Itblinks.

two

digits

blinking,

madeanerror

offtoabort.

and

the

for

'indicating

restore the

program.

the

desired

recordingiscompleted.

with your

But

when

original

program

destination.

first

you

press

program,

The

digit

entry,

the

second

erases

the

. .

switch

control

you

can

digit,

the

^SSSfi^U^

in

SplitorDouble

this

will

overide

Unison

^X™«~<

olav

one

programmed

uTspTlt

monophonic,

produce a

In

tri«ertosingle-trigger

sha%s

CM608A

noteata

on?

or

Double

rather

richer

addition,

if

each

noteisnot

rate

and

modes, and

the

other

that

time.

When

Unison

modes),

than

sound.

Unisonison,

depth.

one

channel

some

Thisisbecause

is

on,

are played

polyphonic,

the

mode.Inthis

necessarily

It

channel

programming

factory

all

eight

onlybythe

voice

keyboard

triggered

is

programmed

programs

it

programs

the

Unison

voices

ass.gnment

changes

mode

the

with

on

or

off

the

chorus

off.

only

allow

parameter

(or

four

lowest

is

from

"envelope"

each

new

If

on,

you

to

s

vo.ces

,1

key.

Thw

used

to

m"»tiple-

wh.ch

keystroke

(as

they

triggered This

Delay

Range:00-03

When

echo

Footswitch

This

settingofoneofthe

To

1.

2.

panel

3.Toselect

4.

Record

5.

accent

parameter

6.

7.

8.

9.

parameter

areinmultiple-trigger

only

allows

effect.

parameter

Glide

Filter

Voice

Amplifier

program

Switch

Hold

blinks,

When

While

Switch

Enter

Pressingonthe

when

youtoselectively

00s

off

01s20

millisecond

02s40ms

03s80ms

Unisonison,

Accent

allows

Cutoff

Amount Attack

Volume

Decay

Release

the

footswitch:

Preset

off.

down

Record

and

the

other

parameters,

the

desired

again.

(It

stops

holding.the

toneoreffect.

returnstoits

Preset

on.

Record

the

on.Itblinks.

desired

value.

all

following

and

Glide

accent

keys

have

accent

notesbytouch.

delay

this

foraninteresting

the

footswitchtotemporarily

parameters:

press

PROGRAM

parameterisselected.

press

the

parameter

blinking.)

mode).

footswitch,

When

two-digit

footswitch

adjust

you

release

original

programmed

program

the

number.

temporarily

Instead,

been

the

completely

flange,

SELECT2.The

footswitch.

has

been

selected,

Value

knob

the

footswitch,

value.

for

the

selects

envelope

is

released.

doubling,

change

the

or

the

control

press

desired

displayed

accent

SYNTHESIZER

This

section

parameters.

The

Split-Eight

Figure1diagrams

Split-Eight

synthesizers.

identify modifiers

typeoffunction.

Basically,

determine

attenuation

devices

the

keyboardtothe

oscillator

as

the

rapidly-decreasing

the

filter

controllers

in

effect

There

adjusted

The

mixer,

modifiers.

A

more

PARAMETERS

describes

actually

contains

oneofthese

fits

into

To

three

(filters

controllers

the

understand

basic

functions:

and

amplifiers).

provide

pitchofthe

effectsofthe

suchaskeyboards

oscillator

frequency

LFOorthe

cutoff

include

provide

are

two

for

detailed

increases.Orcontrollers

two

CV

fromanenvelope

frequency,itimpartsa"pluck"tothe

The

MASTER

two

CVs

which

audio

self-resonance.

filter

sources:

(when

notinself-resonance),

examinationofthe

the

and

envelope

Split-Eight's

eight

voicesata

traditionofvoltage-controlled

these

instrumentsithas

controllers,

Each

the

control

audio

modifiers.

sources, or

Controllers

wheels.

(audio

generators.

TUNE

control

the

oscillator,

voice

programmable

synthesizers,

very

termed

general

voice

"voices."

level.

The

analog

proven

useful

to

and

which

or

voice

contains

audio

sources,

severalofeach

voltages

(CVs)

the

filtering

canbemechanical

For example,astheCVfrom

source)isincreased,

canbeelectronic,

For

generator

knob

and

allofthe

parameters

example,asa

sweeps

voice.

PITCH

wheel,

oscillators.

and

the

filter,ifit is

and

amplifier

follows.

down

Other which

the

such

the

are

Footswitch

If

footswitchtotemporarily

1.

Switch

2. starts.)

3.

Enter

4.

Press

5.

the

CM608A

Sub-program

the

accent

featureisnot

Preset

Hold

Pressing

subprogram.

on.

down

Record

two

digits

the

footswitch.

the

footswitch

switchtoa

and

press

for

sub-program

alternately

usedordesired,

new

PROGRAM

number.

selects

you can

program:

SELECT2.(Blinking

(Blinking

the

program

stops.)

main

program

the

and

CM608A

10

I

in io lj

dog

OSCILLATOR

The

oscillator

COARSE

MASTER

andbythe

modulatedbythe

isanaudio-frequency

and

FINE

TUNE.

envelope

FREQUENCY,

Oscillator

generator.

LFO.

the

frequency

PULSE-WIDTH

source

always

under

keyboard,

canbemodulatedbythe

PITCH

(PW)

control

wheel,

can

also

of

and

LFO

be

Ifnowaveshape

output.Iftwoorthree level

and

COARSE

Value

Range:

00s

12=

24=

36=

48=

Adjusts

oscillator'pitch

thisisadded

octaves.

Note

thattokeep

be

adjustedtothe

Exact

oscillator-

FINE

at a valueof0.

FINE

Value

Range:

32=

one

Normally

with

uptojust less

usually

Value

this

MASTER

for

SAWTOOTH

Range:

00=

Off

01=

On

parameterison,

suppliedasthe

FREQUENCY

00-48

lowest

one

octave up

two

octaves

three

octaves

four

octaves

oscillator's

octave

(middle

in

the

four-octave

programsintune,

octaves

pitch

shouldbefine-toned

FREQUENCY

00-31

semitone

parameterissetto0,

TUNE.

This

thanasemitone.

use

onlyinDouble

WAVE

00/01

the

waveshapes

C)

semitones,

oscillator

are

outputtothe

overafour-octave

keyboard,

(00, 12,

this

24...).

while

parameter

mode.

This

allows

adjusts

will

on,

they

foratotal

parameter

with

oscillator

detuningofthe

havenoaudio

are

mixedatfull

MIXER.

rangeofeight

should

MASTER

TUNE,

pitchisadjusted

frequency

range.

To

normally

with

by

oscillator,

Figure

1

VOICE

BLOCK DIAGRAM

CM60SA

11

Enables

shapeisoften

CM608A

full-level

describedas"brassy."

waveshape

containing

12

all

harmonics.

This

basic

TRIANGLE

Value

Range:

00s

01=

Enables

thus

Value

full-level

havingadull

PULSE

Range:

00s

01=

Enables

full-level

dependsonthe

switching

value

between2and

Note:Ifall distortion

this

occurs,

PULSE

Value

Range:

0U

15=

31=

47=

63=

Adjusts

the

cycle

from

(00-02

and

pulse

(having

selected

This

parameterisonly

no

effectonthe

POLY-MOD

Value

Range:

In

Double

signal

inputofthe

switchedtoexternally-modulate

modulates

disabled.Ofcourse,

Note

thatifvalue

switching

effect.

WAVE

00/01

Off

On

triangle

tone.

WAVE

wave,

containing

00/01

Off

On

waveshape

valueofPULSE

thisonproducesnosound,

three

may

compensatebysimply

1%

25%

square

75%

99%

60.

waveshapes

occur

when

WIDTH

00-63

wave

harmonic

approximately

60-63)

the

only

odd

(approximately

whose

WIDTH

are

on,

several

keys

reducing

contentofthe

1to99%.Atthe

pulses

maybebarely

harmonics),

value

also

31).

effectiveifPULSEison.

sawtoothortriangle

00-15

Mode,

the

OutputofChannelBis

ChannelAfilters.

ChannelB.ChannelBand

arrangement

thereisa

rangeisset

(disabling

these

four-voice

very

low,

Channel

harmonic

try

adjusting

and

the

are

VOICE

pulse

extreme

calledasquare

waves.

ChannelAoscillator

filters,

the

limit.

this

little

harmonic

content,

and

filteriswell

played

wavebyvarying

thus

LFO

modulation.

Pulse

Widthtoa

open,

simultaneously.

VOLUME.

parameter

audible.A50%

duty-cycle

wave,

This

parameter

appliedtothe

Thus,

ChannelAVCO

will

activate

B),

but

output

Channel

output

the

provide

energy,

timbre,

If

some

If

its

duty

values

can

be

has

external

is

A

is

patch

little

LFO

"Modulation"

accidental)

Modulationiscreatedbyelectronic

to

adjustamechanical

precision.

keyboard.

Modulation

destination.

source,

waveshape,

To

this

wheel.

destinations.

FREQUENCY

Value

Adjusts

Value

Programs

Value

Selectsatriangle

Value

This

enables

to

the

a

vibratoortrill,

Value

Applies

referstoa

aural

change whichisinterestingormusically

periodicorconsistent

controllers

Modulation

systems

controller

thus

free

with

involvesasignal-generating

LFO-MOD

but

has

and

modulation

Total

modulationisappliedbythe

Range:

00-15

LFO

frequency

PROGRAMMED

Range:

00-31

modulation

TRIANGLE/SQUARE

Range:

00/01

00=T

dangle

OUSquare

OSCILLATOR

Range:

00/01

00=

Off

01=

On

LFO

level

setbyLFO

PULSE-WIDTH

Range:

00/01

00=

Off

01=

On

LFO-modulationtooscillator

hasalow-frequency

three

selectable

basic

output

level

willbeadded any

from

AMOUNT

depth

wave

for

MODULATION

modulationtothe

AMOUNT

accordingtothe

LFO-MODULATION

destinations.

level

are

aboutKto20Hz.

independently

WAVE

SHAPE

vibrato,ora

oscillator

and

valueofLFO

pulse

adjustedbythree

the

(as

whenitis

the

required

the

hands

for

source

andamodulated

oscillator

The

LFO

contribution

LFO

switchestothree

from

the

MOD

square

wave

for

trills.

frequency,

MOD

wheel.

This

SHAPE.

width.

opposed

to

useful.

not

possible

speed

playing

or

the

(LFO)asa

frequency,

parameters.

of

the

MOD-

wheel.

according

produces

CM608A

13

CM608A

FILTER

Value

This

normally

FILTER

The

FILTER

ADSR

Value

Adjusts

This

frequency

let

through.

(that

higher

through

In

additiontothis

all

the

Value

Adjusts

from0,the

appliedtothose

increase.Asresonance

will

become

cutoff.Asthe

oscillation,

determinedbyCUTOFF

modulation

MODBYLFO

Ranges

00/01

00=

Off

OUOn

parameter

produces

envelope

CUTOFF

Range:

(The displayedas27.)

cutoff

parameterisrather

is,

all

the

filter

RESONANCE

Range:

26s

approximate

the

switches

a vibrato

section

contains

generator.

FREQUENCY

00-127

"hundreds"

digitisnot

frequencyofthe24dD/octave

below

which

The

those

parameter

filter.

modulation

00-31

amountoffilter

all

higher-frequency

above

the

value,

Thus,

the

parameter,

parameters.

oscillation

amountofresonance

signal

componentsatthe

decreasingly

acting

increases,

audibleincomparison

parameter

likeasine-wave

sources).

LFO-modulationtothe

effect.

parametersofthe

displayed.

filter itself

For

example,

(4-pole)

likeatone

elementsofthe

cutoff

the

higher

"brighter"

overall

point

resonance.Asthe

("emphasis,"

valueisincreased,

FREQUENCY

control.

mixer's

componentsofthe

frequency)

the

cutoff

(may

are

frequencies

sound.

frequencyisthe

varybyvoice)

"regeneration,"

audio

(and

cutoff

lower

with

the

source

the

frequencies

filter,

which

andofits

value

127

is

low-pass

"Cutoff"isthe

output

suppressed.

are

valueisincreased

frequency

than

those

filter

whose

filter.

signal

input

signal

which

result

or

the

cutoff

nearer

breaks

pitch

various

.

filter

:

are

The

pass

of

"Q")

will

the

into

is

Each

voice

controls

The

for

An

ATTACK,

generated

timbre,

come

The

the

periods.

The

level

released. envelope

parameter.

Value

Adjusts

(when

Value

Adjusts

leveltosustain

parameter

Value

Adjusts

control, endofthe

is

contains

filter

following

both.

"envelope"

contour

envelope

setbythe

cutoff

commentsonthe

changes

DECAY,

with

each

and

dynamics,

from

the

mixer.

patternisinitiated

generator(s)toproceed

These

periods

voltage

sustain

When

the

voltage

ATTACK

Range:

00-15

8=1second

15sUseconds

the

lengthoftime

keyisinitially

DECAY

Range:

00-15

8s1second

I5s11seconds

the

lengthoftime

level.Ifsustainissetatmaximum

valueisirrelevant,

SUSTAIN

Range:

00-15

the

sustain

not a

time

the

decay

lengthoftime

two

independent

frequency,

value

and

RELEASE

keystroke,

animating

can

each

risestoits

parameter,

ADSR

and

one

ADSR

envelope

over

timeata

parameters.Asthe

they

"contour"

the

otherwise

whenakeyisstruck.

through

range

from

full

value,

whereitremains

keyisreleased,

dropstozeroata

for

the

envelopetogo

depressed)tomaximum

for

the

envelopetogo

level

from

control.

period

and

the

keyisheld

because

Sustain

the

levelisalready

zerotomaximum.

timeisthe

beginningofthe

after

envelope

controls

zerotoabout11seconds.

then

the

rate

generators:

the

amplifier

generators

rate

adjustedbythe

envelopes

the

voice

raw

waveshapes

their

This

attack

falls

(decays)tothe

until

gate

goes

setbythe

from

gain.

are

valid

intonation,

which

"triggers"

and

decay

the

key

off

and

release

zero

level.

from

maximum

then

the

decay

maximum.

Thisisa

period

between

release

attack

and

period.

decay.

one

are

is

the

level

the

This

ENVELOPE

Value

Range:

00-15

00snoenvelope

The

filter

generator.

modulation.

CM608A

cutoff

This

AMOUNT

modulation

maybevaried

parameter

adjusts

over

the

15

timebythe

depthoffilter

filter

envelope

CM608A

16

RELEASE

Value

Range:

00-15

Adjusts

the

to

zero.Ifthe

elapsed,

zero

and

release

If

filter

is

settoapproximately

lengthoftime

keyisreleased

release

from

decay

valueisirrelevant,

controls

whatever

release

its

periods

have

producesnoeffect,

for

before

the

time

level

when

elapsed

because

the

same

the

envelopetogo

the

attackordecay

taken

for

the

key

was

and

sustainissetto0,

the

levelisalready

check

that

value.

from

sustain

the

released.Ifthe

AMPLIFIER

periods

envelopetodrop

minimum.

level

have

to

attack

then

the

RELEASE

appliedtothe

envelope

Unless

heard

parameters.

the

sustain

after the

VCA.

These

are

identicaltothe

parameteristurnedupslightly,

attack

and decay

periods

have

elapsed.

corresponding

nothing

filter

will

be

KEYBOARD

Value

Range:

00= Off

01=

Half

02s

Full

When

Full,

filter's

cutoff

oscillator.

frequencyismaintainedata

being

played.

keyboard

selects

If

range.

the

FILTER

KEYBOARDonFull

keyboard.

tuned,

there

scale.

(Unlessacomplex

in

this

case

voicetovoice).

If

the

KEYBOARD

effect

will

AMPLIFIER

VOICE

Value

Range:

15=

Programmable

loudnessofprogramssoyou

knobs.

Useitafter

The

remaining

decay,

sustain,

TRACK

00-02

the

KEYBOARD

frequency

With

the

This

When

will

have

midrange

justasitisnormally

filter

resultsina

KEYBOARDisoff,

haveaduller

between

RESONANCEisset

will

However,

since

the

allow

willbeconsiderable

effectisdesired,

normallybesetto0,tomaintainasteady

parameteristoggled

notbeheard

VOLUME

00-15

maximum

amplifier

until

signal-to-noise

voice

volumeisa

the

programisbasically

controls

and

release

control

thus

voltage

(CV)isappliedtothe

"tracking"

constant

consistencyoftimbre

timbre.

these

two

the

filtertobe played

the

point

relative to

notes

played

Obviously,

effects.

for

self-oscillation,

filtersinresonance

error

from

the

ENVELOPE

while

the

keyisrestruck.

ratio

convenient

aren't

always

are

the

parameters,

holding

waytobalance

fiddling

recorded.

envelope

which

shape

appliedtothe

keyboard,

over.the

cutoff

the

notes

whole

higheronthe

the

1/2

value

setting

from

are

not

precisely

normal

keyboard

AMOUNT

frequency

keys

with

generator

down,

the

Volume

attack,

the

envelope

from

the

will

the

CM608A

17

CM608A

18

CASSETTE

Use

programs.

automatic

Connections

1.Ifnecessary,

2.

Connect

3.

Connect

Save

1-

Start

2.

Wait

3.

Hold

4.

When

5.

While

6.

After

indicate that

7.

Stop

Verify

1.

Rewindtothe

2.

PROGRAM

3.

Adjust

4.

Start

5.

Just

should

6.

When

7.Ifthe

possible

recorder

takesafew

Ifacassette

a

new

INTERFACE

the

cassette

Note:Itis

recorder

for

down

pilot

the

less

the

playback

the

after

stop

the

LED

that

output

cassetteordifferent

interfacetoprovide

recommended

level

control

disconnect

EAR

outputoftape

CASS

OUT

(in

the

tape

Record

tone

appears,

Split-Eight

than

verification

recorder.

start

SELECT7is

leveltoapproximately

recorder

you

hear

blinking

and

LED

goes

instead

the

tapeisnot

levelisnot

triestofind

will

not

that

(AIX)beused

footswitch

portable

with

from

recordertoCASS/FTSWINjack.

jacktoMIC

Record

leadertopass.

and

press

is

one

minute,

shouldbedone.

of the recording.

(in

play

the

light

out,

the

blinks,

the

verify

inputoftape

mode).

PROGRAM

adjust

levelto0dB(if

saving,

only

this

PROGRAM

still

blinking.

mode).

pilot

tone,

steadily.

press

recording

there

has

recorded

settomatch

correct

(or

recorder.

beenaverification

correctly

levels

load)

with

long-term

this

CASS/FTSWINjack.

storage

recorders

equipped

interface.

for

recorder.

SELECT

6.

not

switch

remains

using

ALC).

lit.

SELECT7blinks

50%offull

PROGRAM

has

been

level.

SELECT7.It

verified.

error.Itis

but

more

the

interface.Itsometimes

for

your

several

different

likely

specific

recorder.

levels,

your

with

to

that

try

3.

When

While

When

the

recorder.

and

the

SELECT

the

cassetteisloading,

LED

the

try

again.

PROGRAM

it.

lit.

5.

stop

6.Ifinstead

level

pilot

tone

7.

goes

out

The

cassette

LED

blinks,aload

appears,

only

and

the

Split-Eight

has loaded

error

hold

down

Record

PROGRAM

successfully.

has

SELECT7will

enters

occured. Adjust

its

tune

and

press

be

routine,

recorder

Load

Note;

before

programs.

1.

2.

CM608A

Loading

proceeding,

Set

recorder

Start

output

recorderinplayback.

erases

the

make

sure

levelasfor

current

contentsofmemory.

that

you

have

already

verification

19

Therefore,

saved important

(above).

CM608A

MIDI

Tor^w«

PROGRAM/SELECT

the

effect

<f.

of

disable,

hold

down

Record

and

press

it^Toiten

they

When

MIDIINof

When

g's

WheM

recognized.

ChannelBLocal

Itispossibletoswitch

To

lowest

ChannelBonly

When wheelsinChannelB.(To

Record

Channel

When

or

selecting

Split-Eight

If

Channel1willgoto

receivedinMIDI

The

besttofirst

are

correctly

using

the

slave.

switch

initialized.

Split-Eight

usingitasaslave,

MIDI

IN.

is

switched

Control

bd

but

onlybyMIDI

,

whileanexternal

switch

ChannelBlocal

key

(CO).

this

modeisselected,

and

press

Selection

powerIsswitched

Double

moteison,itplays

ChannelAorB,MIDI

ChannelsAand

Split

modeison,

channel

numbers

ChannelBso

This

plays

from

the

LFO

and

Channel5willgoto

canbechanged

connect

on,

Disable

assigns

Split-Eight

power

off

between

asamaster,

the

keyboard

IN.

Thisishandy

sequencer

control

the

MIDI.

it

disable

wheel,

Parameter

on,

the

channel

B.

Mode3is

its

master's

information

that

it is

playsadifferent

off,

set

entire

may

alsobeuseful

select

Group

numberissetto1. If

notes

receivedinChannelI.By

channels

selected,

ChannelA(default),

Split-Eight

freely.

both

units,

so

that

MIDI

OUT

goestothe

MIDI

OUTtothe

is

transmitted

not

controlled

for

live

playback

the

split

keyboardtoChannel

ChannelB,hold

switch.)

.

canbeindividually

notes

receivedinMIDI

ChannelB(default).

Split-

and

from

the

using

program.

pointtothe

to.disable^

A.

the

down

c;««u

5mgle

set

for

^andnoes

riT£Sp!.t-Eights

EXPAND

cause

Pressing

follows:

#l

Off)InM^de.1

function reverses

mode

mode.Toactivate

Hold

down

all

Then

Record,

PROGRAM

oneolthe

JweVis

PROGRAM

switched

the

In

Mode1,if

were

selected.

^h?sCrm^»ars%rs!aves

master's.

them.)

PROGRAM/SELECT2remains

channlTfn

independent

channel

(To

While

°£

IZtet

and

playing

hear

the

?plit

synthesizers,

"5 En

transmit).

//6

Enable/Disable

On

power-up,

wheel

M.D.

.unctions

ttus

modes

and

press

SELECTStoblink.

Split-Eight

effectof#3.

Splitisselected,

PROGRAM

SELECTS

on,

the

mode

recognizes

are se.ected

SELECT5.This

determines

is

set

ail

MIDIINwill

proems

the

new

the

programs

Split-Eight

mo'de,

Channels

transm.tt.ng

all

notes

received

Wheel

Changes

changes

on

the

slave,you

lit.

are

listens

to

data

Aand

E.operate^ssent*£

all

notes

in

the

selected

are

disabled

are

disabled.

the

to1(Onnni

MIDI

channels.

actasif

with

being

only

in

°ut

channel.

(both

in

M.D.

will

function,

as

On/Mono

This

Double

that

tf

™*t

transmitted,

the

«£c

selected

as

tl£1seIeCtea

receive

and

To

change

the

1.

Switch

2.

Paramter

3.

Adjust

MUM

receive,

CM60SA

channel:

Preset

Select

the

Group

switch

Value

^enabled

hold

down

off.

MIDI

Channel

and

knob

on

PROGRAM

for

desired

power

Record,

and

parameter

channel.

up.

To

press

PROGRAM

21

using

SELECT

switch

8.

off

MIDI

SELECT

the

AMPLIFItK

transmit

and

3.

Program

Use

for

CM608A

DumpbyMIDI

backuptoexternal

Request

MIDI

equipment.

22

TunebySystem

Continuous

tuning.

Thereforeitshould

You

can

MIDI

SPECIFICATION

also

Request

MIDI

tune

Transmitted

Note

On

Note

Off

Mod

Wheel

Program

Pitch

and

Omni

System

Program

nibble

Recognized

Note

Mod

setting.

Program

Pitch

Tune

Omni

System

Program

Is

nibble

Amount,ifenabled,

Change,ifenabled

Wheel

Change,

only

when

Off,

changed.

BNH

Exclusive

data.

first.

On.

15-bytesofdata

See

bit

Does

not

Off

Wheel

Amount,ifenabled,isaddedtothe

Change,

Wheel

Change,

Request,

Off,

F6.

BNH

Exclusive

dump

request.

dump.

first.

See

activity

manually.

ENH.

FOH,

map..

recognize

may

receive

Wheel

01H

(SEQ

velocity.

prevent

tune

and

only

Center:LS=0,MS=6'*.Ifenabled,

ID),

transmitted

CNH.Ifenabled.

ENH.

Wheel

Center:LS=0,MS=64.Ifenabled.

15-bytesofdata

bit

map.

transmittedas30

the

commands

when

ODH

(608

as 30

Split-Eight

from

the

changed

ID),

prog

data,

four-bit

current

nibbles,

Mod

four-bit

auto-

system.

F7H

Is

v

wheel

nibbles,

discussed

WHAT»NOT

COVCTCD

OATE

PURCHASED--

PURCHASEDFROM-

22»

27-36

C*w»

TVrfOFMJSttMl:

BBSSS5BS3B3SS9*S3

the

original

purchase

bie

laws

state

unMmey

You

must

Anyfctfiledwarrantlea.lni

a

particular

recenttoobtain

otherwise.

pay

all

purpose,

are

BBBBSfflSHSwesS

warranty

performance,

H

you

desireaft*ynnsured

t

unless

appoca

**™«EZ™*

Sift:

UCTS

WOULD

TOO

2r

RockoR48

MM.***oO*oo°S

C««f

LKt»aTOCPKATt?

:s

-^

.1'

:i

o

I

CM608A

23

October,

1984

NO

1111

NECESSARY

UNITEOTSTATES

POSTAGE

BUSINESS

FIRST

CLASS

PERMIT

NO.

REPLY

6W7

CARD

3ANJO3CCA

Sequential Circuits Split-8 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual