Pioneer 1984 Catalog
Pioneer
This
is
a
audio.
techniques
actly
response,
wide
thanks
Highly
what
dynamic range.
Pioneer
to certain
touted
have finally
they
almost no
welcomes
dynamic time in
digital recording
arrived,
promised
is
a
advantages we
-
noise
pacesetter
the
and they deliver
perfectly
or
distortion and
in
digital technology
enjoy,
you
exciting
and
f requency
flat
such as
to
world
of
playback
ex-
super-
our
the
pioneering
video
ment in
age: f rom
r
ou
speaker
decks and
age.
digital
research
players.
this
audio/video
Welcome
You'll
catalog
our digital
systems
turntables.
to
audio
in lasers
find
that every
was
designed for
audio
receivers.
age
for
our LaserDisc"
piece
the digital audio
Compact Disc
From
r PGt"
ou
to our microcomputer
Welcome
Pioneer.
to the
equip-
of
player
cone
controlled
digital audio
to
Pioneer
Compact
Disc
Player
The
A look
by
signal
recording
analog in
store
original
whether it
undulations in
variations
to damage. The
noise
signal. A recgrd
damage. A magnetic
unmagnetized
larly
audio equipment
tion
Technology
at analog
Sound, including
audio
speakers, is
varies
continuously.
playback
and
that
play
and
sound. However,
on a
and distortion
susceptible). The
of the
information
the
back
be an
electrical
a record
recording
introduction
groove
(high
is
analog information.
Digital recording
Rather
than
minimizing
information
ques prevent
signal at a very high
digits
measured
Disc DigitalAudio
rate
music is
of
measurements
discrete
converted into
(Analogto-Digital
known as
Digital
(sound),
it.
(the
binary numbers 1
values. For
44.1k{z;
of
measured
stepped voltages
digital
"quantization.
storage
The
digital
This
System
in
other words,
are
Converter). This
bits are
the music reproduced
analog. That is,
Conventional
systems are also
they record,
"analogous"
is
to the
this information,
physical
signal,
groove
or magnetic
is
tape,
susceptible
of unwanted
can
affect the
can suffer
electrical
physical
tape can become
frequencies
purpose
minimize
Io
are
of top-quality
lhe
deteriora-
deterioration
recording
digital
is
done by sampling
rate
and assigning
and 0)to
example,
44,100 times. These
turned into a
"bits"
has
which
by an
a
the Compact
sampling
one
second
series of
are then
ADC
process
"
stored on
plastic
a
the
particu-
of
techni-
the
the
Compact Disc in
pits
arranged
Since
the
beam,
they can be
layer
of transparent
way, music
subject to external noise
Digital
Retrieving digital
extremely
reader
need
(presence
leaving
that the
correct
servo
systems to monitor
pensate
powerful
leaving). A missing
from
signals
the absence
the output.
Next,
back into an analog
to-Analog
through
neous
ultra high frequencies,
as an audio signal
signal from
Compact Disc:
characteristics
is
r
No
/oss of musical
transfer
digital information
one
source to another
loss
of
signal
the form
in
tracks
pits
are read
sealed safely
plastic.
signals in
digital
pickup
information
principle.
in
simple
only differentiate
a
of
bit)and
very little room
correct signals
time, the
for
dropouts,
error
player
CD
the
correction
signal is
preceding
of a
signal is not
the digital
signal is
signal by a
Converter). Finally,
low-pass
a
a tuner
filter
at
the output,
or tape
Physical
processes
information Digital
are error free. Thus
can
quality.
The
microscopic
of
only
optically
1.6pm
by a laser
apart.
under
in
Stored
form are not
and distortion.
is
A digital
between
(absence
0
for error.
are
tracking.
player
system
and following
thereof),
To ensure
read
at the
employs
To
uses
(inter-
interpolated
apparent
converted
DAC
signal
the
eliminate extra-
to
and appears
just
deck.
be transferred
with
absolutely
you
sound
a
this
1
three
com-
a
it;
thus
at
(Digital-
goes
like
the
from
no
hear
from
a Compact
as
the digital
o
No
disc wear
microscopic
sealed
beneath a
plastic,
they
damage. And
beneath
the
scratches
phonograph
crackles
o
4-314
enough
single-sided
or ticks
One hour
inches
to
one hour
o
Convenient
functions.
and random
it
that is read
is
what makes
venient
functions
access
and
Disc is
master.
Since
pits
on a Compact Disc
fully
are
since
surface
on the surface
records,
occur.
of music
(12cm)
put
into
Compact
of music.
search
Every
Compact
access information
by the
possible
time displays.
Compact Disc:
Noise
nonexistent.
live
conventional
ruler
separation is
specif ic:
o
Dynamic
o
Signalto-noise ratio
o
Harmonic
o
Channel
o
Frequency
from
r
Wow
and distortion
Dynamic range
performance
analog
flat
at all audible frequencies.
practically
range
distortion less
separation
response
5Hz to 20kHz.
and flutter
as clean
the billions
transparent layer
protected
the
layer,
no
from a single
in
diameter
your
pickup
laser
dust
ignored.
are
annoying
pocket
coat
against
and small
-
Disc can hold
and random
Disc has
encoded
player
before
extraordinarily
such
as search, random
Specifications
are essentially
is the equal
fully
50% better than
-
systems. Response
infinite. To
better
than 95d8.
better than 95d8.
than 0.004%.
greater
unmeasurable.
than 9OdB.
flat within
and clear
of
are
of
focuses
Unlike
pops,
dr,sc.
Only
small
a
-
over
access
search
play.
This
con-
Channel
be more
+ 0.5d8
of
is
on
a
Laser Pickup
ol
P.D70
Our Tsst Model
2msec/div.
O
EFM
signal with burst error of
Signal of aooul
SOOpsidiv.
O
TkHz FS
sine-wave oulput.
Though
an average signal
pensate
{or the error,
Audio
Output Waveforms
1 0 consecutive irames.
I.36msec
lhe
qiss
ation:s
duf
correction is impossible
Error
is arrived
value
is distorted.
waveform
and
ng
at to com-
After Error
Correction
lnterpolation
P,D7O
Same as
500ps/div.
sine-wave output.
lelt
O
O
@
TkHz FS
lherefore the oulput wavetorm shows almosl no distorlion
Error is
corrected accurately.
,--lFi::t
lLlotf
I 0ilR
tltr,
Strt
I
ncoMpAcT
o[5G
AUDIO
BIGITAL
P'D70
Audio
Pioneer
digital electronic
the techniques
LaserDiscrM
new P-D70
performance
beam
laboratory
error. lt
servo to keep
tlve
surface
monitors
laser
the track,
adjust
linear
that
The
P-D70
The
signal
(Large-Scale
butes
technology
is
video
Compact
optical laser
system
to
solve the
utilizes
of the
adjacent
beam
is
and
the rotational
velocity
analog
is
a
special
processing
lntegrated
to better
coMPAcr Drsc PLA'ER
no newcomer
technology
first
developed for
systems
Disc
was
developed
three servo
the laser's
disc, a tracking servo
tracks to ensure
always in
a spindle
velocity
remains
f ilter
we
11th
circuitry in LSI
sound
by improving error
detection and correction
even compensate for
dropouts
consecutive burst frame
takes
laser
to
-
are
player.
featuring a
by
problem
systems:
focus
the exact center
servo to continuously
of the disc
constant.
developed for the
order low-pass filter.
Circuit) form
capability.
errors. This means
and
many
of
our
used in
our
lts
high-
3-spot
our research
of tracking
a focus
on the reflec-
that
that the
of
so
contri-
lt
can
of up to
12
giant
a
any
discs on the market
trouble{ree
An
meter
system.
you
it lets
are read from
cessed
shows
the
72dB f rom
display
meters
is
accurate
36dB to
-
The versatile
the P-D70
leap
on
the P-D70.
unusual feature
ln
watch
actual
the
for an analog
peak
levels
54dB
-
mode it
operate from
over
12d8.
+
shows
shows
the entire
the disc in minutes
you
press
shows
(with
play
any moment.
thanks
a wealth
the DISPLAY
index
the
total
time. Also
Operating
number,
number
shown is
the
to its front-loading
of convenient,
fonruard
can be
the P-D70 is
of
the
BINARY
bits
Compact
to
4-way
you
and
of tracks),
P-D70
of data
Disc and
(audio)output.
over a wide
18d8. ln
+
peak
levels. Since
digital
data,
range
display
the total
seconds.
button, the display
total
and
the track
is extremely easy
configuration and
easyto-use features.
played
as
its
they
pro-
display mode
lt further
range
of
the PEAK
response
from
system
play
play
of
time
of
Each
time
time
remaining
play
in
the
at
These
include
quickly
tracks.
exactly
time
ahead
can
start
a track. Programmed
play
can
wish.
And
Play
for
Pioneer
Track
skip ahead
Minute
Search
one,
two, three, etc.
or back. lndex
play
from
(up
tracks
others
even more
digital sound
or behind
any indexed
to 10) in
like
convenience. The
Search
that lets
Memory Play
Slow Scan and Repeat
at its
you
so
one or two
you
minutes
Search
point
any order
finest.
can
skip
so
so
play
of
you
within
you
you
P-D70:
Pioneer
Receivers
The Technology
Every
Pioneer receiver
power
high
an even better value
we've incorporated
unexcelled
for
its
sound
price.
And making
are the many features
for easier
quality.
The tuner sections
offer the accuracy Pioneer is renowned for,
have
and
Look around:
Pioneer receivers
themselves.
Non-Switching"
full
a
selection of conveniences.
you'll
be convinced that
are in a class by
Amp
switching distortion
Three
and
SX-60
Non-Switching
It
a high
uses
"
Bias*
that automatically
currenl to the
ance with
power
the
switch off ; this means
avoided and music will
fully with
Non-Switching
a new
low-distortion
amps, and the high
amps. You
mance. This
Pioneer's
(*Non-Switching
marks
of
c0
!
z-1OO
J
U
i
J
-140
Pioneer.)
BO
120
160
receivers
of our
SX-50
-
power
speed
feature a
amplif ier design.
servo called
adjusts the bias
power
transistors
input level.
the
During operation,
transistors are never allowed
switching distortion
be reproduced
sense of clearness. Pioneer
provide
amps
sound
expensive class-A
of
efficiency of class-B
get
best-of-both-worlds
just
is
more example
one
technological edge.
and Vari-Bias are
Distortion
Non-Switching
o o
Output
Non.Switching
Spectrum
Waveform
Amp
Amp
unusually
offers
operation and
eliminates
SX-V90,
-
revolutionary
a
in
accord-
the
smooth,
perfor-
trade-
Distortion
of
of
each
"Vari-
faith-
of
Frequency:
Fundamental
to
Digital Direct Decoder
The
SX-V9O
industry-leading
our
a Digital Direct
ln
a nutshell,
high
signalto-noise
tion
hi{i specifications
-
more
details,
section.
Quartz-PLL
tuning:
Accuracy
station convenience
Four
top
Quartz-PLL
guarantees
It
never
again drift out
cause - temperature,
Our
Quartz-PLL tuning system
operation
of
10 for each
mode, Auto
stations up and
is
easy
number
-
and SX-60, B
stations are
instantly at the
tuning
tune
automatically.
Spectra
Distortion Spectrum
Conventional Class-B
80
c0
o
lAO
z
U
120
i
J
20kHz
frequency removed
Output Waveform of
Conventional Class-B
features
tuner
Decoder
provides
it
ratio
refer
to the tuner technology
digital
Pioneer
very
the
technology
for FM
low
distortion,
and wide
all the
synthesizer
preset
and
receivers
feature
in lC form.
digital synthesizer tuning.
that
your
stations,
too:
favorite
of tune,
humidity,
you
can
FM and
once
whatever the
preset
AM
tuning band in the SX-V90
in
the
SX-50 and SX-40. Once
preset,
you
touch of
FREQUENCY
can recall
a button.
tuning, lets
down the
ol
Amp
400
lN kHz
you
tuning band
best
of
-
a
separa-
way. For
tuned, will
or else.
offers
a large
stations
them
Another
quickly
Simulated
stereo
for mono
programs
Most musical
records,
stereo.
available
tapes and
But
only
most video
This
is why we've included a simulated
stereo circuit
sive models. Connect
your
video equipment
nals
on our
sound through
you
from AM
get
can
radio, mono records and tapes.
Simplified
top four receivers have had
Our
operation simplified by means
indicators
Selected inputs,
power
clearly
panel
are all electronic for
operation.
The
is
actually
it incorporates
control system that
to be
preset
lF
preset
cally
hi{i
reception.
favorite
memory for instant
you
loudness
preset
(up
between various equipment
Compact Disc
compensated
So
from video
adjust the
and
output
shown on an
(SX-V90,
presettable
Of all our
our
preset.
Preset FM
FM
an
bandwidth. So each time
station,
set as
sound or
Preset volume:You
volume settings in the computer
preset
can
and
volume
P reset
+6d8, re tuner level)
to
you
as
switch
level
software, such as
FM,
is available
there are still some
in mono - TV broadcasts,
video
tapes,
in
all but
discs and
two least expen-
our
the audio output
your
to the
and
hi-fi
system. Of
enjoy
receivers,
the same simulated stereo
operation
microcomputer
and
SX-60
preset
tuned
vital information
other
oversized
and SX-50). Switches
and
easier
receiver
receivers,
easiest to
a sophisticated
lF
station,
its
you've
narrow
the on/off
muting
setting.
sensitivity
player,
for and
audio, etc.,
to
control
the
use.
permits
bandwidths:
you
can
lF bandwidth
selected
for interferencejree
can
onetouch
position
controls
: The slight difference
VCRs, etc.)can
preset,
one
input
you
from
each time.
in
programs
AM radio.
VIDEO termi-
of
stereo
course
effect
a host of
of
control.
stations,
are
fluorescent
surer
versatile
The
SX-V90
reason
computer
many functions
you
When
preset
also
you
-
keep two
the
tune
is
automati-
wide for top
recall. Also
the
of
for each
in
(tu
output
rntables,
input
level
be
for input.
to another,
need
don't
to
is
its
Frequency:
Upper trace:
Lower trace: Distortion
20kHz
Output
voltage
Video ready
The
SX-V90 is
audio
both
standard audio
controls one video
(Videocassette
and
ing f rom
from video
one,
one TV
It lets
one video
you
can
and video
equipment
Recorders),
receiver.
you
do far more
to audio
dub videotapes from
designed
systems:
disc
source to another,
and back again. For
to
it
accepts and
player,
one
than
integrate
in
addition
two VCRs
monitor
just
one
TV
switch-
or
VCR
to another,
source
to
access to the output
through front-panel
operate
video
switching facilities
SX-V90
tion System)
the
while
(records,
your personal
game
Video sound is
-
high-f requency
thanks
a DNR*
is
built in.
tapes,
listening
terminals. You can
to the versatile
of the
also improved by
(Dynamic
content
any audio
to
You have
etc.).
of a video disc
computer
SX-V90.
Noise Reduc-
The
circuit
the sound
of
player
play
or
video
analyzes
the
even
a
from
a video
and 2
terminals) and
ates highs
excessive.
your
of
video
played
through the
become
(.DNR
is
conductor
(connected
source
when hiss
When
a believer.
a trademark
Corporation.)
automatically attenu-
and
hear the
SX-V90,
of
other
National
you
tapes and TV broadcasts
you
to VCR 1
noise
great
too will
Semi-
are
sound
!
!
E
-
l
I
@
!i'i:,+_#;i.f,!t1:i.1,!i:!,i..ii
ffi
!
tr
E
\
-
ffiffi
E
gffi
@
CD/AUX
TAPE 1
C
oo
oo
TAPE 2
O
Connection
l-
I
diagram
+
r:-
I tol ll tal I
@@l
for the
SX.V90
VCR 1
o
E
E
EI
o
EI
EI
EI
@@
MONITOR TV
NoN
SwrrcNrNG
AA P*
SX'V90
The nerve
Here
is
a truly
designed to help
video
and
operate system. ln
components
it connects
(both
units
VCRs and
you
can
connect
game.
video
Circuits for
ment are
from
suffers
(Dynamic
works miracles
sound.
circuit creates a
That's not
to
program.
from
high-performance
it is
*Measured
your
lf
VCR
2 while listening
a connected videodisc
But
don't forget
as capable
pursuant
you
equipment
(a
turntable,
and
controls
audio
and video
one videodisc
a
The
SX-V90 is
the
all
stereo, of course. lf
noise,
Noise
Reduction
provide you
to
source is mono, a built-in
simulated stereo output.
you
all:
can
At
the front is
audio receiver. As
as any. lts
to the Federal
NoN.swrrcHrNG
center
receiver
unique
integrate
into
one
addition
personal
there is a built-in DNR
to audio
two decks, etc.),
up to
signals)
player.
that
sound of
System) that
also dub
to any audio
available the output
that the SX-V90
power
Trade
for
that is
your
audio
easyto-
three
video
two
-
Alternately,
computer or a
versatile.
video
equip-
your
video
with
better
from VCR 1
player.
is
a
such,
amp
Commlssion's
euARrz.pLL
your
boasts a continuous
output ol
at
hertz
harmonic
distortion sound, it features
Non-Switching
innovative Digital
in
Working with
tion circuits
MOS
mixer - it
distortion, rendering music
and smooth.
capability
ROM microcomputer. You can
FM
stations.
levels,
can
in
Trade Regulation Rule on Power
syNrHESrzER
integrated
125
8 ohms,
The
lC form) to effectively
Another big
stations
preset
output
from
with no more
distortion. For
SX-V90's tuner
two more interference
-
RF
FET
amp and
dramatically reduces
made
plus
You can
with loudness
along
the compensated-for differences
levels of various
RE.ET'ER
audio-video system
average
watts*
power
an exclusive
available
per
20herlz
channel,
to
than 0.005%
good,
the
amp.
features
Direct
Decoder
interference.
reject
selective
an
FET
surprisingly
surprise is the
an equal number of
preset
Output Claims
the
by
preset
favorite volume
two
and
program
power
min.
20,000
total
low-
Pioneer
the new
(modified
rejec-
lD
balanced
noise and
clear
preset
4k-byte
10
AM
muting. You
sources,
for Ampllfiers
so that all will
can even
or narrow)for each FM
Other
display
indicator,
a subsonic
connection for MM and MC cartridges, slide
tone controls,
power
battery memory backup.
play
pre-select
features:
panel
bi-directional tape dubbing
amps, speaker A/B switches, and
at the
the lF bandwidth
large fluorescent
a
with innovative
filter,
adaptor loop circuit,
jumpers
to separate
same
station.
volume.
power
level
(audio),
pre
You
(wide
and
SX'60 NoN-swrrcHrNc
euARrz.pLL syNrHESrzER
RE.ET'ER
Designed
Pioneer
engineering.
field
of
first
the
that actually
pushbutton
indicator
The
SX-60 is
It
price
output
at I ohms,
hertz
harmonic
feature
one
Switching
power
tages of
high-eff
transistors are
tracking Vari-Bias
ing, therefore
efficiency
most important
is
So it's only
receiver
to develop
simplify
preset
displays
a fine
features
continuous
-
of
80 watts*
from 20
with
no
distortion.
of
amp is
amp
design
low-distortion
iciency
is
always high.
the
technology
unusually
more
our
another.
class-B
always
no
switching
factor
with
pace-setter
natural
sophisticated
tuning,
and
example
finest
combines
circuit.
we were
operation,
comprehensive
computer
of
big
average
per
channel, min.
hertz
than 0.005%
power
Yet
receiver;
This
class-A
operation. Power
on
thanks to our
There's
distortion,
This is
in
the
smooth, silky
an
emphasis
in
hi{i
in
that
among
systems
such as
control.
what
we mean.
power
for its
power
to 20,000
just
is
the Non-
advanced
the advan-
operation
no
switch-
the
single
the
total
bias-
yet
and
on
simple
sound
of the SX-60
Its
tuner section has
surprises for
digital tuning for
FM
and 10
torrch recall.
mode
and
down the
Pioneer's
that
effectively rejects
hear
there's
quency
The
the one-panel fluorescent
you
information
preset
speakers, and
indicates
well.
as
All
by a microcomputer,
to
use and
allowed
you.
First,
accuracy,
AM
station
Second,
lets
that
selective lD
stations
you
a digital readout
of stations
center
stations, signal flow,
STEREO and
circuits
it has
you
easily
tuning
band. And finally, it has
normally
you've
attention
of
on: selected
power
output. The
of the
SX-60 are
the reason
us
reliable.
to
The
use electronic
it
presets
MOS FET front
interference
SIGNAL STRENGTH
operation
number
a
quartz-Pll
offers
and a total
instant
for
an auto tuning
locate stations
can't. Of course,
to show
computer
the f re-
tuned.
of the SX-60 is
display.
lt
inputs, tuned
selected
panelalso
controlled
it is
has
switches
of
of
end
to let
gives
so
also
for
10
up
you
easy
more
comfortable
A video input
connect
player
through
stereo
stereo from
as video
switches,
moving-coil
puts
a
to
the SX-60,
your
switch
tape,
Other features
for two
touch
on the
video
tape recorder
hi-fi system.
you
lets
any mono
FM
TV,
a high-gain
cartridges, a
decks and
operation.
back
and
enjoy its
The
enjoy
program
and AM.
include
phono
subsonic filter,
slider tone
panel
lets
video
or
sound
simulated
enhanced
source,
speaker A/B
equalizer for
controls.
you
disc
such
in-
Computer
control for
comfortable
operation
SX'50
r;Ei
{o;
NoN-swrrcHrNG
euARrz.pLL
syNrHESrzER
ffiffi
mm
nfi
NE
:
..
-....::
rl-:
tftil
i**.i,1 * ti
I [l l]
r__l
r::!
-,i
RE.ET'ER
llrqoN€4
I
o
Continuous
of 50 watts*
ohms,
with
harmonic
o
El imi nates
ing
o
free
o
Your
r
reliable
use
able
o
and
o
stereo from
o
information
status is
o
subsonic filter,
controls.
from
no more
distortion.
Non-Switching
switchi ng
high
efficiency.
Quartz-PLL
reception
Presets
Computer
Video
Simulated
One-panel
Other features:
for
favorite
operation, and makes
of electronic
operation.
ready:
TV sound
any mono
you
shown in
average
per
20 hertz
than
synthesizer
for hours
8 FM and
stations
control: Assures
switches for
Allows
through
power
chahnel, min.
20,000
to
0.007o/o
Power
distortion wh
total
Amplifier:
tuning: Drift-
hiJi
of
listening.
8 AM
are only
you
your
stations:
a touch away.
years
possible
more comfort-
to enjoy video
hi-fi
system.
output
at-8
hertz
i le retai
stereo: Derives enhanced
program.
fluorescent
need
one
Speaker A/B
tape 1
display: All
concerning operating
place.
and 2, slider
switches,
tone
n-
of
the
the
Total
ease
of
operation
and
comprehensive
N@N
SwrrcNrNG
displays
AA P*
r
Continuous
of
38 watts*
average
per
channel, min. at
ohms, from 2Oherlz
with
no more
harmonic
o
Quartz-PLL
free
reception
o
Presets
Your
favorite
o
Computer
reliable
operation,
use
electronic
of
able
operation.
o
Video ready:
and
TV
sound through
o
Simulated
stereo from
o
Comprehensive
information
status is
o
Other
subsonic filter,
controls.
than 0.02o/o
distortion.
synthesizer
for hours
for
8 FM
and 8
stations are
control: Assures
and makes
switches for more
Allows
stereo: Derives enhanced
any mono
you
shown in
features:
LED
need
concerning operating
one
Speaker A/B
tape monitor,
power
output
20,000 hertz
to
total
tuning:
of hiJi listening.
AM
stations:
only a touch away.
years
possible
you
to enjoy video
your
hi{i
system.
program.
display: All
place.
switches,
slider tone
8
Drift-
of
the
comfort-
the
*Measured
pursuant
to the
Federal
Trade
Commission's Trade Regulation
Rule
on
Power
Output
Claims
for Amplifiers.
Sleek,
low-profile
design
featuring
advanced
circuitry
o
Continuous
of 45 watts*
ohms, from 40
with no
harmonic
o
FET FM front
and
selectivity.
distortion
o
PLL
stereo demodulator
Assures
requires no
o
Let
independently.
o
loudness: Let
Loudness
listening
r
and TUNING indicators,
balance
wide
lndependent
you
drive
Bass/treble tone
Other
average
per
channel, min. at I
hertz to
more than
distortion.
end:
You'll
and wider range.
periodic
gives you
low levels.
at
features:
control,
hear FM with lower
separation,
realignment.
speaker
pairs
two
controls
you
tailor sound to
natural
Tape monitor, STEREO
phones
power
0.3o/o
For higher sensitivity
output
20,000 hertz
total
in lC form:
low
distortion,
A/B
switches:
of speakers
and
taste.
response when
LED tuning
output.
pointer,
and
Look no
further; herds
the
receiver
youVe
been waiting
for
o
Continuous
ol25 watts*
ohms, from
with
no more
harmonic
o
FET FM front
and
selectivity. You'll
distortion and wider
o
PLL
stereo demodulator in lC form:
Assures
requires
o
Let
independently.
o
loudness:
Loudness
listening
r
and TUNING
balance
wide
lndependent
you
drive two
Bass/treble
Other features:
control,
average
per
40 hertz
than O.3o/o total
distortion.
end: For
separation,
periodic
no
speaker A/B
tone controls
you
Let
gives
you
at low
levels.
indicators,
phones
channel,
hear FM with lower
range.
realignment.
pairs
of speakers
tailor
natural response when
Tape monitor,
power
min.
20,000 hertz
to
higher
low
distortion,
switches:
and
to taste.
sound
LED tuning
output.
STEREO
output
at 8
sensitivity
and
pointer,
Pioneer
Amplifiers
The
fier
tion
A-90,
Non-Switching
greatly
improved
exceedingly
free
Technology
Pioneer's
design has
of the new
A-70
of clipping.
famed
been improved
Dynamic
and 4-60
amplifiers.
expanded
power-supply
clean sound
Compact Discs
90dB
of dynamic
For
an
merely
It must
tion, a
of a live
System has
dynamic
from the mere
records
however,
power
listen
musical
the amplifier
avoid
to
music
fullest without
peaks,
which
equals
the average level
a difference
you
power
passages.
you
amplifier
reproduces
give
the
recreation
performance.
Now
that
the
arrived,
range
of
60dB
and FM
requires
from
an
Suppose
amplifier
the average
at is referenced
crescendos
must
clipping.
jazz
rock,
-
a hint
of
listen
peak
again,
20dB
Suppose,
you
OdB. The
of a factor
need
about
(per
channel)during
(Naturally,
actually
require
listener
radio.
to music
difference
100 watts
Non-Switching
with
the
offers
for
completely
are
our Dynamic
dynamic
eff iciency
with
Power Supply.
Each
range and
that is
astounding
range
it is
enough
not
the
signals
of the excitement
Compact Disc Digital
a
tremendously wide
90dB is
or
Wider
greater
to 0dB. During
and thunderous
deliver
you
lf
or classical
of distortion during
level
the
peak
and
of 100.
how much
depends
fed
realistic reproduc-
available, a far
(at
so
to it.
and
best)of
dynamic range,
instantaneous
power
-
level
20dB more
want
to
you
to enjoy
-
normally
to
margin is
average
level
is 1 watt,
of 20dB
which
between
level represents
So it means
of instantaneous
very loud
power
also
on
ampli-
addi-
The
Power
if it
thrill
analog
spare.
attacks,
power
your
the
a must.
at
your
cry
personal
listening room
speakers. What's
person
listening habits,
may be
How
do
we
and
disturbingly loud
comfortable
cope
that new Compact
analog
records demand?
(and
capacity)of the
power
output
need
a more efficient
power
Power
age.
The
Dynamic Power
reduces
supply,
Supply.
power
is not
like Pioneer's
lt's
the
of two
Pioneer's
sists
of two
feeds
low voltages
voltages.
passages,
voltage
the level rises
the VH
section
the oscilloscope
the high-voltage
track
the
stant voltage margin.
Moreover, when
f requency
remains
level
of the signals
i
ngenious
pulseiike
clipping.
The
double
conventional
the
output transistors
power
loss
Dynamic
power
During
soft
the VL
to the output
section
as
the sound
is
turned
photos
power
level
of an
a series
inputs is
for
on
some
prevents
design
high-frequency
amazing
power
the
class-B
of other
Dynamic
supply
the size of
the efficiency
of
your
to one
to another.)
with
Discs
the
and
higher
audiophile
lncreasing the
power
the
and
answer.
more
supply
Rather,
responsive
for more
new Dynamic
design for the
Supply
loss
Power
supply
and VH which feeds
and moderate level
transistors. But when
on. As
supply is designed
input
This
applied,
time
becomes low. This
amps.
have
designs.
factor
by a
Supply con-
systems,
provides
VL which
low
becomes
you
see from
opposite
the
on
with
signal
clipping.
avoids
of high-level, high-
Vr
the
section
after
even
instantaneous,
from
signals
Power
Supply has
efficiency of
ln other words,
half
only
the
your
power
we
digital
high
louder,
a con-
the
size
page,
to
Non-Switching
ing
distortion
ln
the A-90, A-70 and 4-60,
Dynamic
equally
amplifier
for
Switching design uses
servo called
bias
ance with variations
Power
revolutionary
design
clear, low
current to
Amp for no
Supply
an
-
distortion
"Vari-Bias"
power
in input
Non-Switching
incomparable match
a
transistors in accord-
that the transistors never
there's no
distortion.
smooth.
Built-in
switching, there's
is rendered
Sound
moving-coil
capability
The A-90
moving-coil
the most
conceived
to output, an
parallel
servo. The
are
so
theoretical limit
(re
74dB
The
4-60
is
circuit
Again,
signal-to-noise ratio
cartridges
movi
ng-magnet
has a separate
cartridges.
sophisticated
push-pull
-
ultra-low-noise FET input in
push-pull
impressive
150pV input),
phono
built around a high-gain DGservo
featuring
it is
configuration,
capabilities
they are almost at
a signalto-noise ratio
-
equalizer
low-noise
a
high
of
caliber,
of this
for instance.
of 70dB for moving-coil
and
even
an
cartridges.
switch-
is
sound.
the
coupled
with
The Non-
high
speed bias
that controls the
level. lt
ensures
switch off. Since
no
switching
clear and
cartridge
pre-preamp
lts design is
accurate
and
circuitry
of the A-70 and
dual FET input.
delivering a
better figure for
perhaps
from input
and a
pre-preamp
the
power
for
ever
DC-
the
of
Dynamic
Range
and Frequency
Response: Analog
From
the chart,
audio
are discernible.
audio is
better than analog
margin
conventional analog
ran$e
any level. With analog
sible at
possible
is
three distinct
consistently
of digital audio is
of 90dB is available
level,
any
only at low levels.
One, the noise level of digital
65dB
-
audio. Two,
audio. And
audio, flat
and even marginally
vs. Digital
properties
or less, a full
the
25d8,
at any frequency and at
of digital
25dB
peak
level
response
flat
than
is impos-
response
sdB better
three, a dynamic
Block Diagram
Dynamic
The Dynamic
complementary
Vr, and a high-voltage
Vl is
only
in operation, feeding
transistors;
threshold value, Vn is turned on to
additional
power
but
Power
systems
when
to the
Power
Supply
-
system
the level
transistors.
consists
a low-voltage
Vr.
power
passes
of
Supply
of two
At most times,
the output
to
a certain
provide
system
Dynamic
Waveforms
Actual
of
Music
Shown
below is the
the opening
you
As
see,
the average
common
Voltage
400H2
Most
low-voltage
power
o-IJ
(oe
even in
Waveform
output,
the
of
to the
dynamic
section of
the
level,
Brahms's Ballade for
peak
point
at
point
solo
@.
piano
Variations
of Dynamic Power
average level
time, during lowJevel
power
supply, Vr-, is feeding
output transistors.
wavelorm
has a level
@
music. Also
of the same magnitude
passages,
electrical
of an actual
Piano No.
about 20dB
you
can
see
Supply
the
piece
of music
"lntermezzol'
3,
higher than
are
that
there are
400H2,
high level
But when a loud
supply is
switched
power
the
program
supply
signal at all times.
-
passage
appears, the
from
Vl
voltage
tracks the level of the
silent
it is
tion,
also a
real-life dynamic
the
VH.
to
This ensures that
passages
high signalto-noise ratio
where the level
evident
that an amplifier must not only have high
range
power
SkHz,
Shown
during
signal. Even after
voltage
prevents
clipped, however
drops to 0dB.
low distortion in
and
of music faithfully.
high level
is
voltage
the
reproduction
the signal is removed, the high-
power
supply
transient high
suddenly they appear.
From
this demonstra-
power,
reproduce
order to
on
of the
for
some time.
from being
power
waveform
a highJevel, high{requency
of
is kept
frequencies
but
supply
This
Comparison
Convenlional
As
transistors
pulsive
of a
This is
known
distortion.
Class.B Amp
turn on and off,
nature are
as
switching
of
signals
generated.
Distortion
Non-Switching
pulsive
The
photo
switching
Waveforms
Amp
signalyou see in the left
is not
apparent
distortion
is
No
here.
generated.
Block
Diagram
Noise Response
A-90's Head
Amp
Head
of
Amp
lnput consists
FETs
configuration,
feedback
input.
exceptionally
ratio
cartridges.
of Head Amps
lor MC
arranged in
This
to the head
Conventional Head Amp
Cartridges
of superJow-noise
a
with DC
applied
design
high
amp for
for MC
parallel push-pull
servo
from
output to
provides
an
signal-to-noise
moving-coil
Cartridges
.t;ii:.ilT!;:',;
'.i:
N@N
sWnrcn*lruo
A'90
Our
powerful
you've
continuous
200
ohms,
with
harmonic
response
Compact Discs,
hint
you'll
to take away from
servo
amplifier. Dynamic
low
sistors during
efficiency
when
voltage
provide
output transistors,
The Dynamic
*Measured
best, most
You'll find
watts*
no more
of clipping;and
hear
The
Dynamic
power
the
the A-90
and
cleanest
even
heard.
average
per
from
20
distortion.
peaks,
total
secret
supply
soft
and reduced
sound
power
supply
sufficiently
Power
pursuant
than
silence,
is that the A-90
Power Non-Switching
DyNAMrc
lt
powER
to be the most
sounding amplifier
power
has
power
channel, min.
hertz
the kind
are
your
Power
voltage
passages
becomes louder,
high
thus
to the
20,000
to
0.002o/o total
Even instantaneous
you'll
silent
not
Supply
to the
drive
hear with
a trace
for higher
loss. But
into
voltage
is
twice as
Trade
reproduced
during
listening
power
comes
preventing
Supply
Federal
NoN.swrrcHrNG
powerful
to
spare
output
without
pleasure.
is
output tran-
-
of
at
8
hertz
a
passages,
noise
of
DC-
our
provides
the high
action
to
to the
clipping.
Commission's
Trade
srEREo
and
efficient
This is
able 200
and without requiring
or a huge
we
the Non-Switching
switching distortion
and harmonic
music
quality.
technologies
and
only available from
leader
low
highest
power
low-stray
filter
capacitance.
Regulation Rule on
as
why
watts
ln
the
use another Pioneer-exclusive
acquires
The
Non-Switching
the
hi-fi
in
Also responsible
distortion
quality parts
supply, such as
flux
capacitors with
The
built-in
AM'LTFTER
most
conventional
the A-90
power
power
combination
can
per
channelwithout
supply.
amp
configuration.
completely
distortion
a
silkier
the Dynamic Power
-
Pioneer,
technology.
for
of the A-90 is
in
toroidal
a total
pre-preamp
Power
Output
versatile
a heavy
section
a highly-regulated,
transformer and eight
class-B amplifiers.
deliver a
almost nonexistent,
and smoother
of these
configuration
the high
the low-impedance
Claims
remark-
strain,
heat
duty
the A-90,
of
feature,
With
vanquished
Supply
-
world's
the
power
the use of the
176,000pF
of
for MC
for Amplifiers.
model
cartridges
It
sink
is
and
noise
limit
thermal-noise
the
allows
the
and
means
magnetic
caps
generates
uses
so little
ratio
74dB
of
(76d8),
according
Straight
the
mode
purer
parts
theory.
program
switch. A
ultimate
features
Line
tone control
the
Other
to avoid magnetic
super-low-noise
noise that
is
almost
the theoretical
to the transistor
Unusual but useful is
switch which,
signal to entirely
and
balance
simpler signal
quality.
sound
of the A-90 include:
for lead
wires
distortion.
input FETs.
its
signalto-
when
used,
bypass
potentiometers
path
and resistor
non-
r***T
I
=^:::-::-
_
t
I
r:
r:
**x
E@g
TERrc MLTFTFF
tffi;;;
1r
i-t
\l/
Ll
r)
(,
.il
// ll
r.-"
r*1
tt
ll
-il,
I
A'70
Simple
6
t::li
.
,..:*i4,:.
iTxFz
:,'
DyNAMrc
operation,
powER
Fg:T;:I
In:T:!
''j::..i
i€++
*F
ffi
ffi
NoN.swrrcHrNG
ample
power
t"-=
Ir::,
t=-.
rr:::f
l*-
LtrTl
!
T*?:#1-""-
I
[::::3
ril:::::3
L[::::=
srEREo AM'LTFTER
and
great
looks
/a"
a
eorarce
"t
n
\.
jde+&
...r:.,|;*i#*i*-..-
,:"
:
j
i
:.:
:=-a:-.
?;?
7=C
=7.a
'q.
-:':x'Ei1.33;I+
''
N@N
*"{t
't;:::.
.|:
.::
i1
;
SWlrCNtruO
Newer
ever wider
you
need an
ability
an
demands. The
amplifier was
problem
It
to respond
of clipping
provides
programs
music
dynamic
range,
amplifier
designed
with
to
A-70
Dynamic Non-Switching
peak
at
continuous
output ol 120 watts*
min.
at
20,000 hertz
0.003%
Let's
plished
Power
and low voltage
power
that of
Therefore,
At most
feeds
the
voltage
8 ohms, from
total harmonic
take a look
this remarkable
First we've
Supply.
loss
during
conventional
efficiency
times,
power
moment
to the output
a musical
power
with
no more
just
at
incorporated
Using two
power
operation to
class-B
is increased
low-level
a
supply is
are offering an
and this
power
momentary
tackle the
to
input levels.
average
per
is
to spare,
power
critical
power
channel,
20 hertz to
than
distortion.
how we've
feat.
level-adjusted high
supplies,
power
transistors.
peak
turned on. Thus,
accom-
Dynamic
our
it reduces
one-half
power
amps.
twofold.
supply
appears, a high-
why
But
clipping
voltage is
loud
"high
frequency high-level
how
accuracy.
Switching configuration,
design that
switching off.
off,
common to class-B
combination of two
has
nately
High-level inputs,
or auxiliary equipment,
the
that from a low-level
are amplified by a high-gain
fier.
higher
is avoided while
supplied to
passages.
f requency
instantaneous,
The
they don't create
made
smooth
The A-70 is
power
Simpler
sound
A
special feature called
on" ensures
power
amp is also
prevents
Since
possible
it
sound
of the
such
amplifier. Phono
and
shorter
purity.
sufficient
the transistors during
signals,
are reproduced
our
output transistors
transistors don't switch
the
switching
amps. This winning
exclusive technologies
you
for
at
any
two-amp design.
as from tape, tuner,
are fed directly to
moving-coil cartridge,
signal
phono
The
driving
high-
that
no matter
with
Non-
of the
exclusive
to
listening level.
inputs,
equalizer/ampli-
from
distortion
enjoy inordi-
including
routes mean
circuit uses
low-noise
a
to achieve
with
simpler and
we've
Switch. lt
control circuit
Other
cators and
controls.
dual FET input and a DC
a
moving
You
can enjoy
provided
lets
features
LED-equipped
high
70dB
coil cartridges.
straighter
the A-70 with a Line
you
but also
include LED
signalto-noise
the benefits of an even
signal
bypass
not
loudness
the
slider tone
servo
path
since
Straight
only the tone
peak power
circuit.
ratio
indi-
Designed
to
rcprcduce
any
prcgram
souroe
with
the
lowest
possible
distortion
A'€iO
-*or,"
:1
ti
i;
ti
[::i;!1'],.i];ir;,::
ro,rr^
NoN.swrrcHrNG
srEREo
AM'LIFTER
.t.
%t
",,,,\,,,-
ocontinuous
of 100
watts* per
ohms,
with
harmonic
o
efficiency
during
o
Eliminates
ly
o
Features
vo,
cartildges,
o
possible
controls
o
subsonic
tape).
o
*
-
bing,
from
no
Dynamic
peak
Non.Switching
reduces
DC.servo
allowing
Straight"
"Line
sound
and
LED
indicators:
Other
features:
A/B
average
20
more
hertz
than
distortion.
Power
twofold
for
passages.
switching
all
other
high.gain
low-noise
the
use
moving-magnet
switch:
quality
loudness
filter
and
input
speaker
Subsonic
drive,
chinhel,
to
0.007%
Supply:
higher
Power
Amplifier:
distortion
types
of
phono
FET
input
of
any
by bypassing
switch.
"Line
For
selectors
loudness.
power
min.
20;000
output
ai
hertz
total
lmproves power
dynamic
distortion.
anda
popular
or moving-coil.
provides
Straightj'
filter,
power
and
drastical-
equalizer:
DC
types
purest
tone
(including
tape
g
ser-
of
dub-
A low'distortion
amplifier
with
easy
to
use
controls
oContinuous
of 70
watts*
o!{ns,
with
harmonic
o
Eliminates
ly
retaining
o
FET
and
o
power
cators
o
speaker
from
no
more
distortion.
Non.Switching
reduces
low-noise
LED
Other
switching
all
high
input
to
lower
distortion
indicators:
indicator
for
each
features:
drive,
assure
average
per
cha-nnbl,
20
hertz
than
Power
other
types
efficiency.
phono
wider
from
lnclude
for
each
input.
Tape
loudness.
power
to
20,fiD
0.009%
Amplifier:
distortion
of distortion
equalizer:
dynamic
any record.
7-segment
channel
dubbing,
output
min.
total
and
Features
and
A/B
at'g
hertz
drastical-
while
an
range
indi-
*Measured
pursuant
to
the
Federal
Trade
commission's
Trade
Regulation
Rule
on
power
output
claims for
Amplifiers.
Loading...