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Pioneer A-757 User Manual

Pioneer A-757
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SPARE
PARTS:
MASTER
STEREO
AMPLIFIER
le
evs
ass
Oar
“A-656"
is
not
available
in
U.S.
Operating
Instructions
The
illustration
shows
model
A-757.
Thank
you
for
buying
this
Pioneer
product.
Please
read
through
these
operating
instructions
so
you
will
know
how
to
operate
your
unit
properly,
After
you
have
finished
reading
the
instructions,
keep
the
manual
in
a
safe
place
for
future
reference.
In
some
countries
or
regions,
the
shape
of
the
power
plug
and
power
outlet
may
sometimes
differ
from
that
shown
in
the
drawings.
However,
the
method
of
connecting
and
operating
the
unit
is
the
same,
WARNING
::
To
PREVENT
FIRE
OR
SHOCK
HAZARD,
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE.
IMPORTANT
NOTICE
[FOR
U.S.
and
Canadian
models]
The
serial
number
for
this
equipment
is
located
on
the
rear
panel.
Please
write
this
serial
number
on
your
enclosed
warranty
card
and
keep
it
in
a
secure
area.
This
is
for
your
security.
[For
Canadian
model]
CAUTION:
To
PREVENT
ELECTRIC
SHOCK
DO
NOT
USE
THIS
(POLARIZED)
PLUG
WITH
AN
EXTENSION
CORD,
RECEPTACLE
OR
OTHER
OUTLET
UNLESS
THE
BLADES
CAN
BE
FULLY
INSERTED
TO
PREVENT
BLADE
EXPOSURE.
ATTENTION
:;
POUR
PREVENIR
LES
CHOCS
ELECTRIQUES
NE
PAS
UTILISER
CETTE
FICHE
POLARISEE
AVEC
UN
PROLONGATEUR
UNE
PRISE
DE
COURANT
OU
UNE
AUTRE
SORTIE
DE
COURANT,
SAUF
Si
LES
LAMES
PEUVENT
ETRE
INSEREES
A
FOND
SANS
EN
LAISSER
AUCUNE
PARTIE
A
DECOUVERT.
LINE
VOLTAGE
SELECTOR
SWITCH
Only
multi-voltage
models
are
provided
with
this
switch.
U.S.,
Canadian,
European,
U.K.,
and
Australian
models
are
not
provided
with
this
switch.
Mains
voltages
in
Saudi
Arabia
are
127V
and
220V
only.
Never
use
this
model
with
110V
setting
in
Saudi
Arabia.
The
line
voltage
selector
switch
is
on
the
rear
panel.
Before
your
model
is
shipped
from
the
factory,
this
switch
is
set
to
the
power
requirements
of
the
destination.
Check
that
it
is
set
properly
before
plugging
the
power
cord
into
the
AC
wall
socket.
If
the
voltage
is
not
properly
set
or
if
you
move
to
an
area
where
the
voltage
requirements
differ,
adjust
the
selector
switch
as
follows.
1.
Use
a
medium-size
screwdriver.
2.
Insert
the
screwdriver
into
the
groove
on
the
voltage
selector,
and
adjust
so that
the
tip
of
the
arrow
points
to
the
voltage
value
of
your
area.
VOLTAGE
SELECTOR
120-127
HOV
2s0v
204
a
Py
eA
SF
Medium-size
screwdriver
@
PIONEER’
The
future
of
sound
and
vision.
iif

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Pioneer A-757 and is the answer not in the manual?

Pioneer A-757 Specifications

General IconGeneral
Input Sensitivity150 mV (Line)
Speaker Load Impedance4-16 Ohms
Frequency Response5Hz - 100kHz (+0, -3dB)
Signal to Noise Ratio110 dB (Line)
Dimensions420 x 162 x 453 mm
Damping Factor100 (8 ohms, 1kHz)
OutputHeadphone

Summary

Operating Instructions

Line Voltage Selector Guide

Instructions for adjusting the voltage selector switch based on regional power requirements.

Safety Instructions and Precautions

General Safety and Handling

Covers essential safety rules, appliance placement, ventilation, and power cord handling.

Electrical Safety and Grounding

Details on polarization, cleaning, and proper grounding of outdoor antennas for safety.

Front Panel Layout and Controls

Power, Headphones, and Speaker Selection

Tone and Balance Adjustments

Special Function Switches

Rear Panel Terminal Identification

Audio Input/Output Terminal Groupings

Identification of terminals for TAPE, DAT, PHONO, TUNER, CD, LINE, and ADPT connections.

Speaker, AC Power, and Ground Terminals

Details on SPEAKERS terminals, AC OUTLETS, VOLTAGE SELECTOR, and ground terminal.

Accessory and Power Cord Connections

Operating the Amplifier

Initial Setup and Playback Operations

Steps for setting up the amplifier and selecting audio sources for playback.

Recording and Tape Copying Procedures

Guide to recording sources, monitoring, and copying tapes between decks.

Troubleshooting and Problem Solving

Identifying and Resolving Common Issues

A guide to diagnosing and fixing problems like no power, no sound, or recording errors.

A-757 Model Specifications

Audio Performance Metrics

Detailed specifications for power output, distortion, frequency response, and input sensitivity.

Power, Dimensions, and Weight

A-656 Model Specifications

A-656 Audio Performance Data

Specifications for power output, distortion, frequency response, and input sensitivity for the A-656.

A-656 Power, Dimensions, and Weight

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