Crown OC-150 Owners manual

Div,

of

lNTERNATlQNAL

RADlO

&

ELECTRONlCS

CORP.

BOX

1WO

ELKHART,

INDIANA

46514

TABLE

OF

CONTENTS

SECTION

SECTlON

GENERAL

I

lntroductian

Warranty

Quick

Front

Rear

Complete

Campiete

Camman

Mounting

Specifications

TECHNlGAL

I!

Introduction

inputdOutput

Meter

Circuit

Headphone

Crsrsstal k &

Care

220

Warranty

OPERATIQN

.................................................................................................................

&

Unpacking

Summary

Pane[

Contrsi

Panel

Connectars

Ca;lnnectisn

Connection

Usage

Instructions

...............................................................................................................

Response

&scription

Attenuator

Sparation

of

the

06-150

Volt

Conversion

srvice

PAGE

...............................................................................................

..........................................................................................................

Functions

...................

of

Procedures

...................................................................................

inputs

Outputs

,.....

................................................................................

..............................................................................

....................*.........................................

....................................................................................

................................................................................................

..............................................................................................................

DESCRIPTION

Sg~cs

.................................................................................................

and

interpretalion

....................................................................................................

Switches

.......

...................................................................................................

.................................................................................................

AND

..

....................................................................................

USE

........................................................................

.............................................................................

.......................................................................................................

1

2

3

4

5

6

8

9

15

42

14

48

18

18 18

18

19

LIST

OF

ILLUSTRATIONS

2-7

06-350

Front

Rear

Pictorial

Panel

Campjete

Csmpfete

Mounting

06-150

Voltag~

V-1

Spaker

Ifmpedance

QG-150

220

Pictorial

and

Output

impedance

Flow

Volt

Canversion

...........................................................................................................................

Control

Connectors

Connections

Dimensions

Curreat

Graph

-

Power

Diagram

Functions

...................................................................................................

...............................................................................................................

of

aaf

the

Outputs

inputs

(fotdsut)

(Foldout)

.......................................................................

...................................................................

................................................................................................................

...................

with

..............................................................................................

..

Reactance

.....................................................................................

.....................................................................................................................

Curve

G~aph

......................................................................

.....................................................................................................

......................................................................................................

.............................................................................................................

...

1

2

3

4

5

8

II

14

$5

15

17 17

14

With

the purchase

greatly

YOU

put

Once

promised

expanded

now

have

uet-satility

again,

value,

ts-goodness

of

a

CROWN

the

flexibility

output flexibility

made

famous

this

CROWN

not

in

Functian;

frilty

a!/

at

pvoduct

gimmicks,

an

OCOC-%SO,

of

your

Hi-Fi

comparable

by

the

CROWN

offers

but

a@raetiv~

you

system.

ts

the

1C-150.

uncom-

in

hanest-

price,

have

in-

This

is

not

The

esthetics

clutkred

158

and

the

an

any

of

in

output

finger

tips,

to

say

that

sf

the

QC-158

styling

our

of

the

IC-%5Qx

The

other products,

switching

the

price

sma~ly

acclaimed

new

Features

and

monitoring

is

the

only

match

"150"

are noto%ered

bsingthe

right

attraction,

the

un-

line,

the

D-

ultimate

to

your

Please

curred

spected

unmarred..

tion

institute

shipment. However,

such

of

Even

do,

They

shouid

the

Be

factory

inspect

in

transit.

and

If

company

a

claim

an

event,

dan2age

it

Bar

if

the

unit

is

advantageous

wilt

prove

there

unit.

sure

ta

return

for

fuil

"che

tested

damage

immediate3y.

with

Be

sure

the

arrived

valuable

ever

be

the

warranty-service

control

Since

shipper"

center

&he

at

the

factory,

is

found,

6nly

the

carrier

CROWN

to

save

in

perfeet

to

save

inspection,

the

in

an

occasian

war~anb

yegistration

for

any

damage

unit

was

carefully

it

left

the

notify

the

transpada-

the

consignee

far

damage

will

c~~perate Suity in

the

cafisn

as

candi"fisn,

packing

preventing

to

coverage.

materials.

transpofl

form

in-

factory

may

during

evidence

as

most

dan2age

or

ship

to

the

CROWN

gr.lat.an"cee

specified.

and

workmanship

defects This

psnent

misuse,

number

An included

pieted

subject

applies

issued

We

-

for

warranty

or

shipping

has

appficatioa

with

form,

to

the

to

mly

urge

that

fill

in

and

CROWN

a

period

equipment

beew

this

GROWN

the

upm

you

mail

also

of

does

nat

damage

defaced,

for

a

FREE3

manual.

conditions

original

the

take

the

this

equipment

warrants

titis

equipment

90

d~y~

from

extend

damage

to

due

or

accident;

fuses+

altered

year

VdAWRANTY

Upon

receipt

will

issue

the

~sntained

end-purchaser

receipt full

application

of

the

advantage

to

perform

the

components

ta

be

free

date

af

purchase.

and/or

to

negligerace,

or

if

the

serial

o~

removed.

TlTLE

of

this

Warranty Title

therein.

application. af

now!

This

and

this

coverage

will

as

from

cam-

is

com-

-

title

be

The

and

1.

2.

3.

4.

jacks

The

Output

Up

From

OC-150

the

speaker

meters

from

to

three

input

1

and

is

an

OUTPUT

CONTROL

system&s),

read either

1,

2,

VU

or

3

amplifier(%)

speaker systems,

#2,

three

headphone outputs

2

are

switch

in

db,

in

any

selected

QUICK

CENTER.

or

rms equivalents

can

combination

and

It

be

monitored

are

available.

fed

through

is

connected

SUMMARY

in a hi-fi

of

true

on

the meters,

are

switch

The

rear

the

attenuator

system

peaks,

selected

panel

switch,

in

one

from

between

volts.

at

a

Amp

the poweramplifier(s)

time,

switch

it1

electrostatic strip

on

rear

panel.

input.

is

direct.

selected.

Front

panel

A.

WQLB

TIME

1,

2 - determine

voltage

from

zero

B,

METERS

1,2

--

can

either

VU

dh

and

e,

HEADPHONE

1,

2

--

switch

If

jumper must

#2

and

intended

inputs.

CONTROLS

reading,

ta

be

ar

PEAK,

when

infinity.

used

volts,

JACKS

connected

the

attenualor

for

use

be

used

(See

caution, page

how

long

in

the

to

monitor

Meter

through

with

Amp

beheen

the

meters

peak

output

scales

are calibrated

headphone

switch

#3.

Amp

to

input,

4.)

will

hold

mode.

Variable

signal levels,

selector

Amp

#2

input.

an

external

#1

and

Amp

a

in

D,

METER/MONITBR

1

--VU

-

when

meters.

2

-PEAK

---

equivalents,

3

--Amp

4

---Amp

5

-Amp

put

$41

#1

$82

#2

#3

V@

is

depressed,

Meters

when

of

-

when

fed

to

---

when

fed

to

---

when

Fed

to

PEAK

SWlf

CW

meters

calibrated

in

db.

depressed, meters true

signal

depressed

peaks,

signad

meterso

depressed

meters.

depressed,

signal

meters,

AMP 1 AMP

2

AMP

act

read

in

from

tram

as

VU

rms

vaits.

3

in-

ixs-

in-

E,

RANGE

1,

2,

meters,

ranges

Impedance

SWITCH

3,

4,

5

both

are

-

determine

in

VU

and

expressed

vs,

Voltage,

in

PEAK

in

Power

the

sensitivity

modes.

db

and

graph,

Full

volts.

page

of

the

scale

(See

17.)

F,

SPEAKER

1

---

2,3

and/or

4,5,6

(in

para1

signal

SELECTOR

BN/OFF

-

HEADPHONES

-

AC

2,

-

SPEAKER

tel)

of

speaker

from

input

SWITCH

power

-

select

SYSTEMS

systems

#I

to

selected

ta

meter circuits.

headphone

-

select

1,2

and

output$s).

jack

any

3.

Wsutes

or

1

all

HEAWWNES

SPEAKERS

A.

AMPLIFIER

1

-

Amp

#1

is

depressed)

then

ta

2

-

Amp

%2

is

barrier strip

switch

headphone

3

---

Amp

meters

B,

SPEAKER

(Fed

frsm

switch.)

1,

2

--

3

-

Barrier

INPUTS

-

Signal

and

selected

#2

depressed)

--.

Sigl-rai

speaker

(D),

(Cf

to

headphone

jacks

#3

-

Barrier strip

only

(when

OUTPUTS

t

nput

Dual

binding

strip

fed

ta

fed

to

e9ectrastatic

and

on

front

AMP

#1

through

post

type

to

meters

speaker

system.

ta

meters,

through

selector

panel.

type

#3

is

depressed).

speaker

type

(when

selector

(when

headphane

the

attenuatar

switch,

--

signal fed

FIG.

AMP

switch,

AMP

then

to

selector

1-3

6%

HEADPHONE

(Fed

from

1,

2

-

selects

(see

page

on

front

B.

ELECTROSTATIC

Barrier

boxes

headphones.

with

E,

AC

Unswitched,

equipment

F.

A6

Use

common

no attenuatian,

OUTLETS

FUSEHOLDER

only

BnENUATQR

input

the

6)

far

panel.

strip

type

Connected

availabie

(1258

type

MDL

SWITCH

W2)

amsurrrt

either

of

attenuatian

headphane

HEADPHONE

compatible

ts

many

with

types

directly

for

pawering

watts

maximum),

188

Amp

fuse,

jack

(1

OUTPUT

self-powered

of

efectrostatitc

ts

Amp

$42

accessow

desired

and 2)

input

-.

Amp

inputs

channal,

--

used

Amp

without

tt2

headphone

eommon

channel

260.)

signal static barrier

--

Most

Thus

operation similar reduced

Thus

will

presentmday

strap

CAUTIONS

--

Any

load

kcause

set

has

isolatad

#I,

#2

and

from

prob!tl.ms.

input

the

is

connected

selector

grounds.

1

has

kn

input

be

present

strip

""Xyis

is

desired,

could

to

3mconduetor

connected

To

deliberately

#2

can

may

amplifiers

not

be

to

electrostatic

grounds!

ft3

all

chassis,

switch.

keep

be

on

channel

be

Amplifiers

to

the

Mechanically,

input

eliminated.

used

have

needed

then

added

ca

biss.

a

balanced

headphone

for

strap

to

all

have

asa

as

isolated

with

front

#2

balanced

1

at

a

common ground

normal

""X'

inputs,

output

hxes

panel

balanced,

(Strap

the

headphone

balanced

operation.

must

and

must

have

grounds,

balanced

headphone

these

the

"X",

input

output.

be

installed.

the

speaker

have,

four

isolated

wires

both

outputs

stereo

ground

see

schematic,

for

metering

jacks.

between

if

single

Additionally,

cables

does

channel-to.

may

jacks

via

jacks have

return

only;

The

electro-

channels.

channel

could

grounds!

not

mean

Just

b

the

for

MI-

no

a

be

the

Nsver

amplifier

paralleled

--

With

any

Far

parallel

for

to

strap

41

CROWN

special

CONNECTIONS

speakers

and

the

OC-150

speakers

another

PF

X

connected,

amp

operating

hookwup

FOLDOUT.

half

power

input

and

headphones.

input(s),

you

in

diagram

This

to

the

terminals,

Any

all

inputs

cannot

mono)

for

headphone

use

into

CROWN

hook-up

except

time

involved

a

balanced

input

#2.

mono

provides

jacks.

in

the

case

an

unbalanced

become

amplifier

amps,

full

of

using

unbalaneed?

(such

see

power

one

input

is

as

lNPUI

to

the

CROWN

MOTES:

---

The

gvound

common ground of the Input lines ers.

--

This hook-up

must

be

certain of haw the grounds

fore you connctct any other amps in this configuration.

MONO

return for channel

applies

AMIF"

to

CROWM

HOOKaUF"

1

is

through

to

the

two

amplifi-

amplifiers only! You

are

connt?eted

the

be-

____------

/___.---

__---

MAIN

AMP

NORMAL HOOK-UP

NOTES:

--.

Add two-conductor jumpers from Input speaker output from

one

amplif

iftr.

#1

to input

#2

for hctadphona and

-0bserue

If

you

proper

are

using

phasing

a

power

of

speaksrs.

amplifier

other

than

a

GROWN,

amplifieJs

load

ing

set

impedance

two

at

would

terns8

--Be

certain

facturer's

Use

headphone

ing

headphones

be

very

power

speaker

the

be

same

27

to

carefui

too

selectar

ohms,

fuse

capabilities

far,

time,

if

speakers

recommendations.

jacks

or

cautiously

damaging

that

switches

all

you

For

example,

the

resultant

thraa

according

hearing.

don't

by

decreasing

and

?ewere

to

avoid

exceed

by

dt?press-

a

headphone

impedance

8

ohm

to

the

manu-

overpower-

the

sysm

Crown OC-150 Owners manual

Specifications and Main Features

Frequently Asked Questions

User Manual