Pioneer QX-4000 Brochure

0 (0)

TJIONEETiR'

A new

four-channel

matrixed

FowER

6ff

-/%.""q

"ffA"-E??.

laN

i*}' ;

Ei€*.ii,

program

oFF

'ff'

stereo

sources into

"*.

.-t:,i;siiitr+,i.:ij::-,ri.r.-

IFIEBLE

-.::::::..!r:r:-i-:::ii::,'

receiver

a living

;,'

'APE

-s'""s

MUTTNc

LouoN€gs

capable

presence

.:.

FF6NT

**il

LEFT Rlff

FFONT

BALANCE

decoding

T"* :-

-----.-FEAR

LEF'I

sound

'IIG*47

all kinds

field.

.:-:];I.:itrE

::.:r,,..

VOLUME

.E#.

MrN M*X

You lhought

budget?

economically-priced

kind

contrary, Pioneer's reception. portant

sQ sound.

meler

for

with

all four

alford

Qx-4000.

the

excitement

Think

again. with the

four-channei

the

QX-4000

larger,

matrix

Tyo

kinds

encoded

A linear

precise

channels

four-channel

Authentic

tuning.

of four-channel

new

QX-4000,

four-channel

receiver

ollers

expensive

matrix

sound

type FM

And

driven simultaneously"

today, Pioneer

four-channel

performs

that

all the

receivers.

decoders

sources

dial

scale

power,

sound

important

asks

sound

pioneer

the marketplace.

Things

happy to

looks

inexpensive.

performance

tike

lor reproduction

available

and

too,

on a

today,

extra-large

up to

you

So if

you

stop

two-channet

I0 rrrratts

don't llrink

was

beyond

introduce

it's

But

sensitive

including

signal

and consider

leatures

all the im-

x 4

budget,,

not

AM/FM popular

strength

you

your

ohms

the

can

thE

8F4oclcl

FOUR.CHANNEL TODAY

Four-channel systems

the

types:

the

expensive,

but

fixed formula and

your

discrete

most authentic

since

special four-channel

personal

Matrix-type systems There exist

manufacturers,

process.

sources

channel

the

transmission sources.

it is

back

ln matrix-type systems,

are mixed or blended

signals. This conversion

signals are then

required that

four-channel sounds,

into

"decoding."

referred

to as lhe 4-2-4

ln developing

research

of developed

a basic

to decode

market.

Another

but

system.

this decoder receiver. ln

two have access available on

This is

very

is in no

requires a completely

popular

most

and

terms

it requires

present

use.

are a

many matrix

and

each

transmitted by conventional

these encoded

The entire

the

QX-4000,

time with all the

formula

many kinds of

the

the REGULAR

called

popular

way

is also included

matrix

compatible

a nutshell

systems

the four-channel

all

the market.

are divided

today

the matrix. Discrete,

of sound

not

tapes. All discrete

much different

systems,

has

only

problem

from many

a somewhat

the

then

and

From the

point-of-view

signals

and this conversion

into

of course,

quality,

four-channel

systems

choice

and

of'system

story,

different

original

converted

"encoding,"

called

then be converted

matrix four-channel system

transmission system.

Pioneer devoted

popular

that

matrix systems,

be applied successfully

can

matrix

MATRIX.

system

called

great

systems

the SQ

with the regular

different

in the new

then, the

matrix

matrix decoder, and

Pioneer

QX-4000

decoding

has adopted

so that

matrixed records

distinct

two

is both

the most

tape deck

have a

for

however.

four-channel

encoding

four-channel

into two-

and

two-channel

listener,

the

called

often

amounts

and then

now on

matrix-type

the

system,

QX-4000

the

you

can

now

and echo channel channel

THE

The regular

systems,

angles inevitably

The SQ

principle, degrees, a clockwise

mation the stylus Thus, as

the

right

effects are

record, and

through the

MATRIX DECODER

matrix encoding

matrix

the

against

results in

system, on

by introducing

with the left

translated into

tip. This

the recbrd rotates,

left rear

rear channel.

always included

then decoded

matrix

2-channel

(SQ

4-channel

principle

system

four-channel

lhe

45" /45"

crosstalk between the front two speakers.

the other hand, maintains

rear

circular

motion and the

a counter-clockwise

principle

channel,

and a counter-clockwise helix for the

into

decoder.

Transmission

an additional

System

Program

Sources)

the

quite

different.

signals are

conventional record

channel

recorded from different

phase

information

right

called

a clockwise helix is

"circular

a conventional

the effects

SO ,Vrt"il;;;

ln regular

groove.

the 45" /45"

difference of

translated into

rear

channel

circular

motion of modulation". produced

matrix

two-

four-

This

infor-

for

THE REGULAR MATRIX DECODER

2-channel

4-channel Recording

(Matrix

Matrix

E ncoder

Transmission

4-channel Program

System

Sources)

Matrix

Decoder

Matrix four-channel systems share

with conventional

transmission system

regular

converts more,

first recording the original sounds

using

matrix

them

since two-channel sound

a series

two-channel stereo systems,

decodes

into

outstanding

basically

two-channel

the

four-channel

programs

microphones,

the

-@f

-t;;;',l-

_TG?h

a mutual compatibility

same.

matrixed sources

a multi-channel

original

The

sound.

are

Reproduction

4-channel

the

since

QX-4000

and

Further-

produced

system

reverberations

Regular

Clockwise (modulation

The

Matrix System

Groove

rotalion of

Two

the stYlus

Rear

Left

signal)

Counter-clockwise (modulation

Circular Modulation of The SQ

Matrix System

of Right

rotation of

Rear signal)

System

the stylus

J-/

+ 2 hidden pages