Kenwood Kec-301 User manual

GOO/ANAD

ELECTRONIC

CROSSOVER

NETWORK

KEC-301

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

Take

the

time

to

read

through

this

instruction

manual.

Familiarity

with

installation

and

operation

procedures

will

help

you

obtain

the

best

performance

from

your

new

elec-

tronic

crossover

network.

For

your

records

Record

the

serial

number

found

on

the

bottom

of

the

unit

in

the

spaces

designated

on

the

warranty

card

and

in

the

space

provided

below.

Refer

to

the

model

and

serial

numbers

whenever

you

cail

upon

your

KENWOOD

dealer

for

informa-

tion

or

service

on

this

product.

Mode!

KEC-301

Serial

number

©PRINTED

IN

JAPAN

B50-7984-00(K)(T}

S012

11098765432

|

4.

WARRING

TO

PREVENT

ELECTRIC

SHOCK,

FIRE

AND

OTHER

INJURY.

PLEASE

NOTE

THE

FOLLOWINGS:

«

The

unit

is

designed

to

be

connected

¢

Do

not

place

the

unit,

where

it

will

be

ex-

12

V

DC

and

negative

grounding.

posed

to

direct

sunlight

or

close

to

heat-

ing

device.

¢

Do

not

open

enclosure,

such

as

front

¢

Do

not

dash

water

on

the

unit.

panel,

top

or

bottom

cover.

¢

Do

not

drop

pieces

of

metal,

needles,

e

Do

not

place

the

unit

in

areas

of

exces-

coins

and

other

electrically

conductive

sive

dust,

high

humidity

or

on

unstable

materials

into

the

unit.

surfaces,

2

{En)

CLEANING

1.

2.

Turn

the

power

off,

before

cleaning

the

unit.

Do

not

use

any

type

of

abrasive

pad,

thin-

ner,

benzine

and

any

such

kind

of

objects.

.

Wipe

the

front

panel

and

other

exterior

surfaces

of

the

unit

with

a

soft

dry

cloth

or

a

soft

cloth

lightly

moistened

with

a

neutral

detergent.

If

an

abnormal

smell

or

smoke

is

detect-

ed,

immediately

turn

the

power

off.

M@

if

you

have

difficulty

in

installing

the

set

in

your

car,

please

contact

your

KENWOOD

dealer.

(En)

3

SWITCH

SETTINGS

ACCORDING

TO

SPEAKER

SYSTEM

®

Set

the

middle

frequency

switches

for

the

rear

speakers

according

to

the

type

of

system.

Crossover

slope:

12

dB/oct.

3

way

system

|

SOH:

100Hz

boo

tire

BkHz

10kHz

_>

ON

Ls

THACGUGH

THROUGH

Lh

Through

2

way

system

(Low)

2

way

system

(High)

Parieh

ba

kd

ahr

op

Fase

im

i

'

1

“7

f

t

Low!

|

HA

Mod

+

oF

Nae

“it

iL

ET

tt

Pall

Hf

wii

Ht

HON

i

it

MUL

EMEL

Latte

nit

:

Kit

12]

Through

ie

eeall

=

ath

Ha

Hl

ti

HEH

il

oe

UT

ETE

WRATH

CT

aD

De

—

qJ

i

SOH2100Hz

SCOHzikHz

5kHz

10kHz

BOHz

WOOHZSO00Hz1TkHz

«86

BKHz

“TOkHz

@

The

phase

of

each

frequency

band

can

be

reversed

by

180°.

180°

Reverse

phase

4

{En]

FRONT

HIGH

FREQUENCY

ADJUST

REAR

When

this

knob

js

used

to

adjust

the

high-pass

cut-

off

frequency,

the

high-

pass

cut-off

frequency

can

be

adjusted

from

800

Hz

-pass

cut

of

High

POLE

|—]

i

-

;

=

[=|

=

are

——

=

=a

TE

TA

high

frequency

charac-

teristics

of

the

speaker.

TkHz

output

level,

the

high

output

level

can

be

adjusted

from

minus

infinity

(MIN)

to

Q

dB

(MAX)

according

to

the

amplifier

When

this

knob

is

used

to

adjust

the

high

output

power

and

speaker

capacity.

SkHz

10kHz

1kHz

500Hz

N

an

o

a

(En)

5

REAR

MIDDLE

FREQUENCY

ADJUST

yp

4

isp

af

A

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a

eae

hg

'@!};}

OHA

:

S00Hz

TkHz

om

(C!

2

8

Og

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|

a

=

0

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>

we

ce

=

c

—

©

=

£S

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EB

ES:

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9

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a)

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as

7.)

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a

2

=

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2.

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5

=

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speed

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=

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=

N

=

o

pat

im

x

o

im

When

this

knob

is

used

to

adjust

the

band-pass

cut-off

frequency,

the

band-pass

cut-off

frequency

can

be

ad-

justed

from

30

Hz

to

800

Hz

according

to

the

low

fre-

quency

characteristics

of

the

6G

(En)

When

this

knob

is

used

to

adjust

the

band-pass

cut-ofi

frequency,

the

band-pass

cut-off

frequency

can

be

ad-

TOKHz

TkHz

ee

ea

a

Se

ee

ee ee

ee

a

eee

10

kHz

according

to

the

048

high

frequency

characteris-

justed

from

800

Hz

to

tics

of

the

speaker.

(En

7

sar

aa

5OHz

Tae

200Hz

7s

REAR

LOW

FREQUENCY

ADJUST

Foon

t

i

;

==

haha

ral

Oi

OM

BkHz

10kHz

eed

a

ee

Me

ef

es

ee

Qe

ee

aE

a

CS

(a

ee

Ge

ee

a

He

ee

a

ee

a0

See

eee

SEG

EESRERS

OD

3h

BOCHz

1kHz

a

Ot

ted

=

el

_

Lt

4

Sy

ee

TUR

|

50Hz

100Hz

wo

1

Fl

SaFfcEvsgs

naw

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5

cM

535

2

tas

q

®

:

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&

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0

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qa

0

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Df

a

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Ce.

Hy

QO

oe

3

L

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mals

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ee

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=I

BOHz

THROUGH

switch

to

select

120

Hz,

80

Hz,

or

50

Hz

as

120Hz

When

a

sub-woofer

is

set,

use

the

low

cut

off

the

low

cut

off

frequency.

Hy

(En)

ER

Ee

SP)

ee

Gey

ee

a

Ee

ee ee

ee

SSSS5c22¢=

.

-©)-

sien

TE

eH

a

eens

J

Ce

ed

When

this

knob

is

used

to

adjust

the

low

output

level,

the

low

output

level

can

be

adjusted

from

minus

infinity

(MIN)

to

OdB

{MAX)

ac-

cording

to

the

amplifier

out-

put

power

and

speaker

capacity.

1

-@)

eT

Tt

L@

5

x

—f-

--

AR

{En}

a

FRONT

LOW

FREQUENCY

ADJUST

When

this

knob

is

used

to

adjust

the

low-pass

COAT

Cer

CEE

TH

cut-off

frequency,

the

gga

TT

ti

ie

al

TT

Baill

low-pass

cut-off

frequen-

PUTT

PN

TTT

Been

ecaalicled

fol

SCT

PCO

TN

soos

to

1

kHz

ace

ff

bawroese

cutoff

SEL

CETTE

CEETTTT

mording

tortie

low

ties

es

eae

ACTOTACL

TO

Er

nuene

charac

r

scsi

CCIE

COTTA

Fogle

ees

Ce

SW

the

speaker.

THI

LL

Le

CUT

CTE

TT

CHC

Te

ee

+

ONT

HIME

inant

CECT

TT

MC

CCE

oe

,

HH

Ree

ern

-

©

~

|

=f

O.

f

|S

KENWOOD

eggs

oR

When

a

sub-woofer

is

set,

use

the

low

cut

off

switch

to

select

120

Hz

or

80

Hz

as

the

low

cut

off

frequency.

T20Hz

BOHz

THROUGH

10

(en)

et

ee

a

SVN

To co

a

+

a

eS

A

SS

A

SS

POY

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vt

|

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Seszess

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10kHz

1kHz

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@

i

(En}

11

SUB-WOOFER

ADJUST

a :

ig

p

j

i

E

ne

al

ia

©

@)

ee

Or

OHA:

the

sub-

woofer

cut-off

frequency

can

be

adjusted

from

30

Hz

to

150

Hz

according

to

the

4B

sub-woofer

characteristics

adjust

the

sub-woofer

cut-,

1443

of

the

speaker.

When

this

knob

is

used

to

off

frequency,

Be

DCS

ureere

ee

KENWOOO

When

the

STEREO

MONS

Monaural

at

a

The

‘‘stereo"’

feeling

is

not

perceived

Stereo

to

a

great

extent

with

low

frequency

sounds.

Aljso,

if

stereo

sounds

are

present

in

the

low

frequency

range,

the

signals

from

the

left

and

right

channels

interfere

with

each

other.

With

this

switch,

the

sub-woofer

sound

switch

is

set

to

monaural,

the

crossover

slope

changes

from

12

dB/octave

(stereo)

to

18

dB/octave

{monaural}.

can

be

set

to

monaural.

12

[En)

BOOHzZ

tkHz

BkHz

10kHe|

S0Hz

100Hz

a

Le

_|

N

pif

Eh

Er

Zz

=

a

ee

=

oO

a

|;

©

ee

oO

ri

_{_t

©

es

ee

a

|

a

Fs

inant

Kar

Ca

SEL

oe

a

oe

LS

HS

SE

EO

Ge

St

ee

a

2

So

Soe

tt

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o

tn

OL

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td

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ie

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td

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2

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otwN

oot

Sere

eco

Ss

=

pep

ee

lew

=

=z

LS

Ps

ae

ee

ar

St

a

O

ttf

tS

=

a

Ee

DE

ee

—j}-—+-—

>

2

ee

eee

cs

el

as

————

eer

ao

+

at+-4

i

SE

ae

a

—

x

When

this

knob

is

used

to

adjust

the

sub-

.

i698

BOHz

eae

woofer

output

level,

the

sub-woofer

out-

put

level

can

be

adjusted

from

minus

in-

fintty

(MIN)

to

+

10

dB

(MAX)

according

to

the

amplifier

output

power

and

speaker

capacity.

(En)

13

ACCESSORY

AND

INSTALL

MANNER

External

View

Number

of

units

Power

connection

cord

e

Metal

fixture

1

i.

Pan

head

screws

(M3

x

5)

Tapping

screws

(64x

14)

=

[+

M@

INSTALL

MANNER

1.

Before

installation

and

wiring,

remove

the

{—)

terminal

of

the

battery

to

preveni

short-

circuiting.

.

Connect

the

input

and

output

cords

of

the

system.

.

Connect

the

ground

to

the

metal

chassis

of

the

car.

.

Connect

the

back-up

power

supply

lead

(yellow).

.

Install

the

set

and

after

confirming

the

installation

and

wirings

are

correct,

connect

the

(—)

terminal

of

the

battery.

@

ACCESSORY

ao

AB

©

BO

if

a

fuse

is

blown,

first

check

that

the

associated

wires

are

not

short-

circuited

then

replace

the

fuse

with

a

new

one

having

the

same

capacity.

14

(En)

INSTALLATION

@

When

installing

to

the

car,

install

the

unit

securely

for

safety

driving.

®

Use

screws

supplied

as

accessories

when

installing

the

unit.

A

‘

=)

@)

Tapping

screws

:

(64

x

14)

@

Use

the

extension

cables.

CA-5W

(0.5

m),

CA-15W

(1

m),

CA-25W

(2

m),

CA-45W

(4

m)

and

CA-65W

(6

m)

(optional)

when

the

connected

models

are

to

be

installed

away

from

the

electronic

crossover

network.

ten)

15

CONNECTIONS

Ground

lead

(Black)

©

(To

car

chassis)

Back

up

lead

®

(Yellow)

POWER

CONT

Power

control

lead

(Blue/White)

@)

Power

connection

Sub-woofer

output

Low

rear

output

cord

Low

front

output

Middle

rear

output

a

High

front

output

High

rear

output

Fuse

:

(3A)

a

Front

input

Rear

input

Left

Right

¢bd

output

Ee

WY

(optional)

16

fEn)

Left

input

<I>

-

Right

input

Power

amplifier

(optional)

Power

amplifier

Power

amplifier

Power

amplifier

a

A

[S_6}

|

<<

Battery

Power

control

power

supply

Head

unit

{optional)

High

frequency

rear

speakers

Middle

frequency

rear

speakers

Low

frequency

rear

speakers

Sub-woofer

speakers

High

fraquency

front

speakers

Low

frequency

front

speakers

M@

How

to

use

the

ground

screws

,

Ground

screws

e

Use

example

2

Connect

using

an

AWG

14

or

GND

Ground

screw

[larger

wire

of

Ground

screw

@

Power

amplifier

power

control

connection

method

KEC-301

OOOO

oO

QOOQOD

oO

Power

control

power

supply

Power

control

input

Power

control

input

Power

control

input

(en)

17

SPECIFICATIONS

Frc

a

Specification

subject

to

change

without

notice.

Crossover

Section

Crossover

Frequency

(variable)

Front

(LOW)

ctiseseeescesatds

amiehebee

neuen

Suspeuanseneags

sz

ingebiepedeaesseuanenisewues

800

~

10

kHz

IGM)

-ccigscntevaicehccsasedemsns

se

pededesomentapeteraebede

seen

tne

maccecaeows

800~

10

kHz

Rear

(

SUDAVOOTER)

salecisscaicas

veces

aedesonendosd

ative

redeteeeteedeieatecestatecgO

~

ISOM

PRA

Re)

vise

oe

cred

toecviesoscomaseh

eek

owed

see

i

eteicer

a

etaeeeO

OU

LO

mie

Gt)

ccaaws

doce

tncitelateaeecees

ts

ataeeaber

tae

cae

eevee

eis

Seana

sO

a2

Level

Control

Promit

(ROW.

AIQH

eles

tus

decadece.

cede

ldceeensele

exnsattiea

te

iciatacess

seceuseees

sisal

-—o~Q

dB

Rage

(SUDIWOOIEN)

“eiercrscacwl

vec

sve

ce

cemeneeeenrart

ceatemecineeeaiaseuelnaeceeases

—coo~

+10dB

(LOW)

......0008

Su

chagate

dete

wines

Vanes

daud

ouae

eikias

eeoacbehacheecsee

mew

ode

(Middle

1,

“Middle

2).

rae

atii

ene

ntaam

ut

saduataane

hanya

aeneMea

eur

dibemacdseeees

—co~O

dB

(High}...

shed

ete

t

dee

Sree

tae

Rete

Aad

sta

eke

edit

beim

totais

=

ee

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Cie

Lowcut

Frequency

(selectable)

PO

hii

ratacnece

cate

late

Sate

tok

as

heater

ebebuantennby

ausue@euecuesemenaeees

Through,

80

Hz,

120

Hz

BAR

2

icscrae

Go

tigcou

cutee

ncand

weirs

noeee

tates

usual

eewemeas

sone.

Through,

50

Hz,

80

Hz,

120

Hz

CrossOVer

SlODG

ii

visweccseccsrcceescsavetelecadecatausiessnensaraguewsueceneveneeeuans

veentseeeeses

12

dB/oct.

Sub-woofer

Crossover

slope

EOS

is

gla

ig

le

coicd

vn

oak

saReea

an

ela

abo

th

adde

GUiond

nea

iw

eee

eeeeeeeee

essere

2

OLOGL

RAGS

esccccacketeces

lets

8

oven!

Voveemiecieccpntad

at

ene

aan

es

we

debentementeceniaenetey

18

dB/oct.

Audio

Section

INput

IMPOCaNiGe

.......--..ceecesesceccesesscnceeencnsncoemernrenerteunesnesneneeeeererrererarctacnnaeaes

10

kQ

QUTPUt

IMMPECANCE.......cccscrencscenasnersrecernsrenererenreeeeeeeee

ener

ston

n

awe

en

ence

sesenenennenaeen

600

Q

Signal

to

Noise

Ratio.............:0.cccecceenreeeseececereresacasararataeneeeeersceeweunerers

cane

rans

100

dB

Frequency

ReSPOnSs

iaccclsecsdes

ese

scse

tebe

tesecscetenecsineecssiveusvevivenss

_20~

100

kHz

(—3

dB)

General

Operating

Voltage

..........:.:.cecessesesccrenerccccncetcacesanseaeneatenerseneewensves

14.4

V

(11~16

V)

Current

Consumption:

(MAX)

ccdcessetnis

etacsdvem

encevceevend

vepensveseut

teed

snnrewe

ebbeeconeccess

O.3A

Dimensions

(VV

&

AX

DY

sole

eiese

cs

toes

eer

eceeck

desnieet

edi

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250

45x

150

mm

(9-

13/16x1

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x

5-7/8

in.)

VCCI

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temas

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Gece

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18

(En)

Kenwood KEC-301 User manual

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