Sony SRP-F700 User manual

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SONY.

Digital

Audio

Processor

‘SRP-F700

Instruction

Manual

THANK

YOU

FOR

PURCHASING

A

SONY

SRP-F700

DIGITAL,

AUDIO

PROCESSOR.

Before

beginning

use,

read

this

manual

carefully.

Be

sure

to

keep

it

properly

for

future

reference.

©

1997

Sony

Sound

Tec

Corporation

2-344-632-1141

(1

Contents

Warning

Precautions

3.

On

Adjustment

of

Input

Gain

and

Output

Att

4.

Selecting

Mode

5.

Operation

Menu

6.

Block

Diagram

7.

Main

Specifications

8.

External

Dimensions

Optional

SRP-70BK

(DSP

extention

board

kit)

....

WARNING

Notice

for

the

Customers

in

the

United

Kingdom

IMPORTANT

The

wires

in

this

mains

lead

are

coloured

in

accordance

with

the

following

code:

Blue

:

Neutral

Brown:

Live

As

the

colours

of

the

wires

in

the

mains

lead

of

this

apparatus

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

in

your

plug,

proceed

as

follows:

The

wire

which

is

coloured

blue

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

N

or

coloured

black.

The

wire

which

is

coloured

brown

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

L

or

coloured

red.

Do

not

connect

either

wire

to

the

earth

terminal

in

the

plug

which

is

marked

by

the

letter

E

or

by

the

safety

earth

symbol

Y

or

coloured

green

or

green-and-

yellow.

Afin

d'écarter

tout

risque

d'électrocution,

garder

le

coffret

fermé.

Ne

confier

l'entretien

de

l'appareil

qu'a

un

personnel

qualifié.

Per

evitare

scosse

elettriche,

non

aprire

I'apparecchio.

Per

le

riparazioni

rivolgersi

solo

a

personale

qualificato.

Para

evitar

descargas

eléctricas,

no

abra

la

caja.

En

caso

de

averia,

solicite

los

servicios

de

personal

cualificado

solamente.

To

prevent

fire

or

shock

hazard,

do

not

expose

the

unit

to

rain

or

moisture.

To

avoid

electrical

shock,

do

not

open

the

cabinet.

Refer

servicing

to

qualified

personnel

only.

ee

NCRIIO)N

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

This

symbol

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

"dangerous

voltage"

within

the

product's

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

This

symbol

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accompanying

the

appliance.

*The

location

of

the

marking

is

on

the

top

enclosure.

PRECAUTIONS

On

safety

(Refer

to

the

supplied

"WARNING".)

e

Should

any

liquid

or

solid

object

fall

into

the

cabinet,

unplug

the

unit

and

have

it

checked

by

qualified

personnel

before

operating

it

any

further.

¢

Unplug

the

unit

from

the

wall

outlet

if

it

is

not

to

be

used

for

an

extended

period

of

time.

To

disconnect

the

cord,

pull

it

out

by

grasping

the

plug.

Never

pull

the

cord

itself.

On

installation

¢

Do

not

install

the

unit

in

a

location

near

heat

sources

such

as

radiators

or

air

ducts,

or

in

a

place

subject

to

direct

sunlight,

excessive

dust,

mechanical

vibration

or

shock.

e

When

mounting

the

unit

on

the

EIA

19-inch

standard

rack,

allow

enough

space

of

1U

or

more

above

this

unit

for

good

ventilation.

On

operation

e

Before

making

program

source

connections,

be

sure

to

turn

the

power

switch

off

and

unplug

the

unit.

e

When

the

unit

is

not

used,

turn

the

power

off

to

conserve

energy

and

to

extend

the

useful

life

of

your

unit.

On

cleaning

the

cabinet

Clean

the

cabinet,

panel

and

controls

with

a

soft

cloth

lightly

moistened

with

mild

detergent

solution.

Do

not

use

any

type

of

abrasive

pad,

scouring

powder

or

solvent

such

as

alcohol

or

benzine.

On

repacking

Do

not

throw

away

the

carton

and

the

packing

material.

It

makes

an

ideal

container

for

transporting

the

unit.

When

shipping

the

unit

for

repair

work

or

to

another

location,

repack

it

as

it

was.

If

you

have

any

questions

or

problems

concerning

your

unit,

consult

your

nearest

Sony

dealer.

1.

OUTLINE

The

SRP-F700

digital

audio

processor

is

designed

for

use

with

various

acoustic

systems

installed

in

concert

halls,

multi-purpose

halls,

banquet

rooms,

etc.

The

device

incorporates

two

channels

of

1-input/4-output

processing

systems

to

process

stereo

signals

alone.

Built-in

20-bit,

96

KHz

sampling

A/D and

D/A

converter

.

The

A/D

and

a

D/A

converter

with

96

kHz

sampling

frequency

and

20-bit

quantization

incorporated

produce

quality

sounds

faithfully

from

original

sounds.

High-speed

digital

signal

processing

Twenty

high-speed

DSPs

by

52-bit

internal

computation

corresponding

to

96

kHz

sampling

are

mounted

(at

standard).

Double-

and

quadruple-precision

computation

is

applied

in

the

critical

parts

of

the

digital

signal

processing

unit

of

the

device

to

enhance

computation

accuracy.

This

is

one

of

the

major

features

of

the

device

for

ensuring

high

sound

quality.

The

digital

signal

processing

unit

incorporates

all

the

functions

required

for

sound

field

control,

including

graphic

equalizer,

parametric

equalizer,

notch

filter,

delay,

crossover

network

filter,

limiter/compressor,

and

phase

switcher.

Five

modes,

each

with

a

different

combination

of

processing

(algorithm),

are

available.

The

user

can

choose

the

most

suitable

one

for

sound

field

control

according

to

the

actual

conditions

of

use.

Microcomputer

controlled

analog

sound

volume

control

A

0

to

—-20

dB

analog

sound

volume

control

is

provided

for

each

of

the

eight

outputs.

The

sound

volume

controls

are

located

in

the

analog

signal

unit

after

D/A

converter

so

that

no

sound

deterioration

results

from

bit

loss,

which

occurs

when

the

level

is

controlled

in

the

digital

signal

process.

The

position

(angle)

of

the

eight

sound

volume

controls

are

individually

controlled

by

a

microcomputer.

The

sound

volume

can

be

set

by

the

instructions

from

the

microcomputer

via

motor

drive.

The

sound

volume

control

position

can

be

stored

and

recalled

by

the

program

store

function

described

later.

Up

to

100

programs

can

be

stored

A

maximum

of

20

parameter

setting

conditions

(programs)

can

be

stored

in

each

of

the

five

modes.

The

user

can

recall

the

optimum

program

according

to

the

conditions

of

use.

Easy

to

operate

With

digital

equipment,

it

is

generally

difficult

to

change

parameters,

and

complicated

procedures

are

involved.

The

SRP-F700

device

simplifies

the

parameter

setting

procedure

with

10

function

keys,

four

parameter

knobs

and

a

large-sized

liquid

crystal

display.

To

set

the

parametric

equalizer,

for

example,

three

parameters

of

frequency,

Q,

and

level

are

controlled

by

respective

knobs

just

like

in

an

analog

system.

The

characteristics

are

graphically

shown

on

the

large-sized

liquid

crystal

display

on

a

real

time

basis

as

the

user

changes

the

parameters.

The

user

can

thus

set

the

sound

field

while

listening

to

the

sound

and

watching

the

change

of

the

sound

on

the

graph

on

the

display.

External

control

terminal

provided

The

user

can

recall

programs

stored

in

the

memory

using

MIDI

and

parallel

remote

terminals.

In

addition

to

recalling

programs,

the

user

can

remotely

control

and

change

the

parameters

by

connecting

a

personal

computer

via

the

RS-422A

terminal

(control

via

the

RS-422A

terminal

is

an

optional

specification).

2.

CONTROLS

AND

FUNCTIONS

en,

Jeue

PI

P2

P3

Pa

os}

O

OO

O

@

POWER

Switch

The

internal

condition

is

stored

in

the

memory

for

approximately

six

months

when

the

power

is

turned

OFF.

When

the

user

turns

the

device

ON,

the

previous

condition

returns

automatically

(unless

the

user

changes

the

MODE

switch

on

the

rear

panel).

Liquid

Crystal

Display

(LCD)

The

user

can

set

the

parameters

while

watching

the

LCD.

The

backlight

can

be

turned

OFF.

The

contrast

is

adjustable.

Refer

to

page

45

for

the

description

of

the

system

menu.

The

functions

of

function

keys

©

and

parameter

knobs

@,

described

in

the

following

paragraphs,

are

always

displayed

at

the

edge

of

the

LCD.

Function

Keys

(F1

to

F10)

The

function

keys

are

used

to

select

a

menu,

select

the

parameter

setting

channels,

etc.

The

function

of

F1

to

F10

keys

will

vary

with

the

OUTPUT

LEVEL

CH

OO

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Oem

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Pri

Pre

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Pri}

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Jom

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a0

Pry

33

=28

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xm

.

Re

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Bt

2

fos

4

7

4

‘.

{

—s

si

ps

leo

cr

a

bag

Ro

be

a

2

Tom

=a”

Toms

eo

ose

om

A 8

c

°

DIGITAL

AUDIO

PROCESSOR

SRP-F700

8

menu

displayed

on

the

LCD

screen.

When

the

menu

on

the

display

is

changed,

the

function

of

the

function

keys

also

changes.

The

function

of

a

function

key

is

described

at

the

edge

of

the

LCD

close

to

the

relevant

key.

See

individual

menu

screens

for

details.

Any

key

without

a

display

is

ineffective.

There

will

be

no

response

when

pressed.

©

Parameter

Knobs

(P1

to

P4)

Parameter

knobs

are

mainly

used

for

inputting

parameter

values.

Like

the

function

keys,

parameter

knobs

have

a

different

function

depending

on

what

menu

is

currently

shown

on

the

LCD

screen.

The

current

function

is

displayed

on

the

LCD

screen

close

to

respective

knobs.

See

individual

menu

screens

for

details.

Any

knob

without

a

display

is

ineffective.

There

will

be

no

response

when

turned.

(In

the

main

menu

screen,

for

example,

a

message

reads

“DIGITAL

AUDIO

PROCESSOR

SRP-F700”

on

the

lower

part

of

the

LCD

and

the

parameter

knobs

are

ineffective.)

@

INPUT

GAIN

Knobs

(CH-1,

CH-2)

The

INPUT

GAIN

knob

is

used

to

adjust

the

gain

of

the

input

signals

from

the

input

terminals

at

the

front

stage

of

the

internal

A/D

converter.

The

gain

is

adjustable

in

steps

of

3

dB

up

to

15

dB

at

the

maximum.

The

adjustment

with

this

knob

is

directly

related

to

the

available

head

room

within

the

device.

When

the

input

signals

are

continuously

low,

the

head

room

in

the

A/D

converter

may

be

set

as

small

as

possible

so

that

the

bit

loss

at

the

A/D

converter

is

reduced,

and,

accordingly,

the

actual

resolution

is

enhanced.

For

this

reason,

it

is

recommended

that

the

gain

be

adjusted

according

to

the

level

of

the

input

signals.

The

user

can

adjust

the

gain

while

checking

the

level

with

the

INPUT

level

meter

@

and

the

OVER

indicator.

For

how

to

adjust

the

knobs,

refer

to

page

9.

OUTPUT

ATT

(attenuator)

Knobs

(CH-1,

CH-

2)

The

OUTPUT

ATT

knob

allows

the

user

to

attenuate

the

level

of

the

output

signals

after

D/A

conversion

by

a

maximum

of

15

dB

in

steps

of

3

dB.

The

input

and

output

level

of

the

device

will

be

1:1

when

the

position

of

the

INPUT

GAIN

knob

@

is

matched

to

the

position

of

the

OUTPUT

ATT

knob.

Output

Mute

Switches

(CH-1A,

CH-1B,

CH-

1C,

CH-1D,

CH-2A,

CH-2B,

CH-2C,

CH-2D)

The

Output

Mute

switches

are

used

to

select

ON/

OFF

for

the

mute

of

the

output

channels.

The

state

in

which

the

LED

(green)

of

the

key

lights

up

indicates

the

mute

of

the

output.

The

status

of

the

eight

switches

is

stored

and

recalled

as

a

program

parameter.

It

is

automatically

set

when

the

program

is

recalled.

Output

Level

Knobs

(CH-1A,

CH-1B,

CH-1C,

CH-1D,

CH-2A,

CH-2B,

CH-2C,

CH-2D)

These

are

the

knobs

for

the

level

adjust

dials

for

the

output

channels.

They

can

be

attenuated

from

0

dB

to

a

maximum

of

-20

dB,

allowing,

allowing

the

level

balance

to

be

adjusted

up

to

a

maximum

of

20

dB

between

the

output

channels

relatively.

The

status

of

the

eight

knobs

is

stored

and

recalled

as

a

program

parameter.

It

is

automatically

set

by

the

motor

drive

when

the

program

is

recalled.

©

INPUT

Level

Meters

(CH-1,

CH-2)

The

display

range

of

the

input

signal

level

meter

is

from

-3

dBs

to

+24

dBs.

The

displayed

level

is

equal

to

the

signal

level

of

the

input

terminal

plus

input

gains

determined

by

the

INPUT

GAIN

knob

©.

The

+24

dBs

corresponds

to

the

maximum

input

level

(for

the

A/D

converter).

OUTPUT

Level

Meters

(CH-1A,

CH-1B,

CH-

1C,

CH-1D,

CH-2A,

CH-2B,

CH-2C,

CH-2D)

The

display

range

of

the

output

signal

level

meter

is

from

-21

dBs

to

+6

dBs.

The

level

of

signals

output

from

the

output

terminals

on

the

rear

panel

is

displayed.

(The

level

reflects

the

setting

of

OUTPUT

ATT

knobs

CG,

Output

Mute

switches

@,

and

Output

Level

knobs

@.)

The

display

range

of

the

output

level

meter

is

lower

than

that

of

the

input

level

meter

because

the

level

of

signals

is

reduced

when

they

pass

the

crossover

filter.

Input

OVER

Indicators

(CH-1,

CH-2)

(red)

The

Input

OVER

indicators

will

light

up

when

the

level

of

input

signals

to

the

A/D

converter

is

increased

and

the

waveform

clips.

Decrease

the

input

level

when

the

indicator

lights

up

continuously.

Limiter

Indicators

(CH-1A,

CH-1B,

CH-1C,

CH-1D,

CH-2A, CH-2B,

CH-2C,

CH-2D)

(orange)

These

are

the

limiter/compressor

blocks

for

processing

digital

signals

at

each

channel.

They

light

up

when

the

limiter/compressor

operates

with

the

signals

exceeding

the

preset

threshold

values.

CH-1/CH-2/SYNC

Keys

The

SRP-F700

device

incorporates

two

processing

channels

(stereo),

each

comprising

one

input

and

four

outputs.

These

three

keys

are

used

to

set

signal

processing

parameters

for

CH-1

and

CH-2

respectively,

or

to

set

the

same

parameters

for

both.

Refer

to

page

19

for

details.

@

INPUT

Terminals

(CH-1,

CH-2)

Connected

to

the

output

of

a

mixer,

etc.

The

terminal

is

XLR-3-31

or

equivalent.

Electronic

balancer

circuit

(1:GND,

2:HOT,

3:COLD).

@

OUTPUT

Terminals

(CH-1A,

CH-1B, CH-1C,

CH-1D, CH-2A,

CH-2B,

CH-2C,

CH-2D)

The

final

signal,

after

signal

processing

and

D/A

conversion,

is

output.

The

terminal

is

XLR-3-32

or

equivalent.

Electronic

balancer

circuit

(1:GND,

2:HOT,

3:COLD).

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MODE

Selector

Switch

The

MODE

selector

switch

is

used

to

select

between

crossover

and

distribution

mode,

which

are

the

basic

distinction

of

the

signal

processing

algorithms

(modes).

The

SRP-F700

device

operates

in

the

mode

which

has

been

selected

when

power

is

turned

on.

The

mode

will

not

change

even

if

the

Mode

selector

switch

is

changed

(unless

you

turn

ON

the

power

again).

Refer

to

page

13

for

mode

switching.

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RS-422A

Terminal

for

External

Control

(D-

sub

9-Pin)

The

device

may

be

externally

controlled

when

this

terminal

is

connected

to

the

RS-422A

terminal

of

a

personal

computer

(optional

specification).

MIDI

Terminal

for

External

Control

MIDI

signals

are

input

from

external

equipment

when

the

device

is

connected

with

commercially

available

MIDI

cables.

Programs

can

be

recalled

with

MIDI

signals.

Refer

to

page

46

for

details.

PARALLEL

REMOTE

Terminal

for

External

Control

(D-sub

25-pin)

Programs

are

recalled

with

a

simple

switch

using

this

terminal.

Refer

to

page

47

for

details.

Power

Cord

Connect

the

Power

cord

to

a

230

VAC

outlet.

Air

Cooling

Fan

Ventilation

Warm

air

is

exhausted

from

here

when

the

device

is

used.

Be

sure

not

to

cover

up

this

opening.

3.

ON

ADJUSTMENT

OF

INPUT

GAIN

AND

OUTPUT

ATT

The

INPUT

GAIN

knob

is

used

to

adjust

the

level

in

the

analog

portion

before

the

A/D

converter.

The

OUTPUT

ATT

knob

is

used

to

adjust

the

level

in

the

analog

portion

after

the

D/A

converter.

They

are

not

interlocked

with

the

mode

and

programs

described

later.

With

these

knobs,

the

user

can

adjust

the

relation

between

the

level

of

the

sound

signals

input

to

the

SRP-F700,

head

room

of

the

SRP-F700,

and

the

output

level

of

the

device

when

it

is

connected

to

other

equipment.

For

digital

audio

equipment

in

general,

the

head

margin

in

the

digital

range

is

related

to

the

actual

resolution

of

digital

sound

signals.

The

smaller

the

head

room,

the

fewer

the

bits

wasted

in

a

finite

bit

length.

Accordingly,

the

sound

quality

is

improved

when

the

head

room

of

the

signals

input

to

the

A/D

converter

is

set

at

the

lowest

possible

level

to

the

extent

that

the

full

scale

is

not

exceeded

at

the

maximum

input

and

there

is

no

clip

in

the

digital

signal

processing.

To

produce

a

good

sound

quality,

the

SRP-F700

device

has

an

INPUT

GAIN

knob

for

adjusting

the

head

room

for

the

signals

input

to

the

A/D

converter

at

the

input

stage.

With

this

knob,

the

user

can

adjust

the

gain

of

the

input

signals

on

the

front

stage

of

the

A/D

converter.

The

user

can

adjust

the

INPUT

GAIN

while

checking

the

head

room

with

the

INPUT

level

meter

and

the

OVER

indicator

on

the

panel.

The

maximum

value

of

the

input

level

meter,

+24

dBs,

is

the

maximum

input

level

of

the

SRP-F700

device.

This

level

meter

does

not

indicate

the

level

of

the

signals

input

to

the

SRP-F700,

but

indicates

the

level

plus

the

input

gain

determined

by

the

INPUT

GAIN

knob

@.

For

example,

when

the

input

level

is

+6

dBs,

and

INPUT

GAIN

knob

is

set

to

3,

the

level

meter

indicates

9

dB

(=

6

dBs

+

3

dB).

The

head

room

in

this

instance

is

15

dB

(=

+24

-9).

The

level

meter

can

not

follow

up

peak

signals

but

can

confirm

the

clip

of

peak

waves

with

the

OVER

indicator.

The

OVER

indicator

indicates

that

the

input

signal

peak

has

clipped,

exceeding

the

maximum

input

level

of

the

D/A

converter.

It

is

necessary

to

decrease

the

input

level

when

the

OVER

indicator

lights

up

continuously.

The

device

has

an

OUTPUT

attenuation

knob

corresponding

to

the

INPUT

GAIN

adjustment.

When

the

gain

of

the

input

signals

is

adjusted

with

the

INPUT

GAIN

knob,

all

the

succeeding

output

signals

will

also

have

a

gain.

To

prevent

this,

the

OUTPUT

ATT

knob

is

set

at

the

same

position

as

the

INPUT

GAIN

so

that

the

output

is

attenuated

by

the

same

GAIN

quantity

used

in

the

input

portion.

By

this,

the

relation

between

the

input

and

output

level

of

the

device

is

kept

at

1:1.

This

knob

is

not

necessarily

used

in

combination

with

the

INPUT

GAIN

knob.

It

may

also

be

used

to

adjust

the

output

level.

The

OUTPUT

level

meter

indicates

the

level

of

the

signals

that

have

passed

the

OUTPUT

attenuation

and

OUTPUT

level.

10

4.

SELECTING

MODE

The

first

step

to

set

the

SRP-F700

for

operation

is

selecting

the

operation

mode

(signal

processing

algorithm).

After

selecting

the

mode,

the

parameters

are

set

(refer

to

page

17

and

after).

This

section

describes

the

signal

processing

algorithm

used

in

each

mode,

and

the

mode

selecting

procedure.

The

SRP-F700

device

has

five

modes,

each

with

a

unique

algorithm

for

processing

digital

signals.

One

mode

should

be

selected

for

use.

The

five

modes

are

grouped

into

two

categories

of

crossover

and

distribution

modes

as

shown

below.

Crossover

modes

Mode

A

Mode

B

(optional)

Mode

C

Mode

D

Distribution

mode

—-—————-——————-

Mode

E

Crossover

Mode

(Modes

A

to

D)

Each

crossover

mode

contains

a

unique

algorithm

for

the

crossover

which

is

used

in

multi-

amplifier

speaker

systems.

Each

of

the

crossover

modes

A

to

D

has

a

unique

way

of

processing

with

the

equalizer

and

crossover

filter.

One

out

of

the

four

modes

is

selected

according

to

the

speaker

system

to

be

used.

(Mode

B

is

only

available

with

the

device

provided

with

the

optional

DSP

board.

Refer

to

page

57

and

the

instruction

manual

for

the

optional

kit

SRP-70BK

for

details.)

Distribution

Mode

(Mode

E)

The

input

signals

are

distributed

to

a

maximum

of

four

systems.

The

equalizer,

delay

and

limiter

processing

is

effected

for

each

output

independently.

Q:0.7,

0.9,

1.2,

3,

4.5,7

LEVEL:

0~+120B

0.5dB

step

LOW

SHELVING

FREQ:20Hz~1kHz

1/30ct

step

LEVEL:

0-+12dB

HIGH

SHELVING

FREQ:

1.25kH2~16kHz

Signal

processing

algorithms

in

each

mode

are

described

below.

MASTER

DELAY

DELAY

TIME:

0-1000msec

imsec

step

r——

CROSSOVER

LOW

CUTFILTER

HIGH

CUT

FILTER

FREQ:

22.4H2~20kHz,

LIMITER

100~1000msec

100msec

step

Mode

A

geasasae

CROSSOVER

-------5

’

'

CHANNEL

Lj]

LOW

CUT

HIGH

CUT

Li

LIMITER

PHASE

A

DELAY

,

FILTER

FILTER

:

:

:

1

.

' t

:

:

CHANNEL

|_#__}

LOW

CUT

HIGH

CUT

L_!

IMITER

HA.

DELAY

:

FILTER

FILTER

,

ENASE

e

MASTER

:

:

DELAY

H

'

.

‘

CHANNEL

|__|

LOW

CUT

HIGH

CUT

[__s

DELAY

;

FILTER

FILTER

'

KMTER

le

¢

:

:

4

H

s

:

CHANNEL

|

3}

LOW

CUT

HIGH

CUT

Lt

’

FILTER

FILTER

:

TES

7

Neiencccesccasdos

Jussssocsses

[———

CROSSOVER")

GRAPHIC

EQ

=

MASTER

DELAY

CHANNEL

DELAY

LOWCUTFILTER

HIGH

CUT

FILTER

LIMITER

PHASE

DELAY

TIME:

DELAY

TIME:

FREQ:

:

NORMAL/REVERSE

0~1000msec

0-30msec

OFF,

20Hz~18kHz]

|22.4H2-20kHz,

0.5,

1,

2.5,

31

Band

(1/3

oct)

tmsec

step

10.4usec

step

1/6oct

step

OFF

10,

20,

50,

100,

1/6oct

step

Q:3,

4.5,

7

TYPE:

TYPE:

LEVEL:

Butterworth

+12

dB

(0.5

step)

—-12dB/oct

~18dB/oct

~24dB/oct

Bessel

~12dB/oct

~18dB/oct

Linkwitz-Riley

—24dB/oct

RELEASE:

~12dB/oct

Linkwitz-Riley

100-1000msec

~24dB/oct

100msec

step

Mode

C

pocce>

CROSSOVER

§-----;

'

‘

CHANNEL

Li}

LOW

CUT

HIGH

CUT

Lit

iimiTer

A

DELAY

|!

|

FILTER

FILTER

|

!

H

H

t

'

’

'

a

iy

1

'

CHANNEL

['_|

LOW

CUT

HIGH

CUT

L!

DELAY

|

+

|

FILTER FILTER

|

'

ee

ieee

5

NOTCH

MASTER

:

:

FILTER

DELAY

:

H

,

t

s

CHANNEL

[_+_}

LOW

CUT

HIGH

CUT

Ls

PARAMETRIC

EQ

DELAY

[1

FILTER

FILTER

[5

F

pnase_|

zs

1 '

EQ1~EQ4

' :

H

H

1

'

CHANNEL

|_|

LOW

CUT

HIGH

CUT

Lt

1/12oct

step

petay

|?!

|

FILTER

FILTER

[2]

UMITER

oe

7

- .

i

PHASE

NORMAL/REVERSE