Yamaha AS501B User Manual

Integrated Amplifier

AB

OWNER’S MANUAL

CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.

CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.

1 To assure the finest performance, please read this manual

carefully. Keep it in a safe place for future reference.

2 Install this sound system in a well ventilated, cool, dry,

clean place - away from direct sunlight, heat sources,
vibration, dust, moisture, and/or cold. For proper
ventilation, allow the following minimum clearances
around this unit.
Top: 30 cm
Rear: 20 cm
Sides: 20 cm

3 Locate this unit away from other electrical appliances,

motors, or transformers to avoid humming sounds.

4 Do not expose this unit to sudden temperature changes

from cold to hot, and do not locate this unit in an
environment with high humidity (i.e. a room with a
humidifier) to prevent condensation inside this unit,
which may cause an electrical shock, fire, damage to this
unit, and/or personal injury.

5 Avoid installing this unit where foreign object may fall

onto this unit and/or this unit may be exposed to liquid
dripping or splashing. On the top of this unit, do not
place:

– Other components, as they may cause damage and/or

discoloration on the surface of this unit.

– Burning objects (i.e. candles), as they may cause fire,

damage to this unit, and/or personal injury.

– Containers with liquid in them, as they may fall and

liquid may cause electrical shock to the user and/or
damage to this unit.

6 Do not cover this unit with a newspaper, tablecloth,

curtain, etc. in order not to obstruct heat radiation. If the
temperature inside this unit rises, it may cause fire,
damage to this unit, and/or personal injury.

7 Do not plug in this unit to an AC wall outlet until all

connections are complete.

8 Do not operate this unit upside-down. It may overheat,

possibly causing damage.
9 Do not use force on switches, knobs and/or cords.
10 When disconnecting the power cable from the AC wall

outlet, grasp the plug; do not pull the cable.
11 Do not clean this unit with chemical solvents; this might

damage the finish. Use a clean, dry cloth.
12 Only voltage specified on this unit must be used. Using

this unit with a higher voltage than specified is dangerous

and may cause fire, damage to this unit, and/or personal

injury. Yamaha will not be held responsible for any

damage resulting from use of this unit with a voltage

other than specified.
13 To prevent damage by lightning, keep the power cable

and outdoor antennas disconnected from an AC wall

outlet or this unit during a lightning storm.
14 Do not attempt to modify or fix this unit. Contact

qualified Yamaha service personnel when any service is

needed. The cabinet should never be opened for any

reasons.
15 When not planning to use this unit for long periods of

time (i.e. vacation), disconnect the AC power plug from

the AC wall outlet.
16 Be sure to read the “TROUBLESHOOTING” section on

common operating errors before concluding that this unit

is faulty.

17 Before moving this unit, press A (power) to set this unit

to standby mode, and then disconnect the AC power plug
from the AC wall outlet.

18 Condensation will form when the surrounding

temperature changes suddenly. Disconnect the power
cable from the outlet, then leave this unit alone.

19 When using this unit for a long time, this unit may

become warm. Turn the power off, then leave this unit
alone for cooling.

20 Install this unit near the AC wall outlet and where the AC

power plug can be reached easily.

21 The batteries shall not be exposed to excessive heat such

as sunshine, fire or the like.

22 Excessive sound pressure from earphones and

headphones can cause hearing loss.

This unit is not disconnected from the AC power source as long as
it is connected to the AC wall outlet, even if this unit itself is turned
off by A. This state is called the standby mode. In this state, this
unit is designed to consume a very small quantity of power.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.

This label is required to be attached to a product of which
the temperature of the top cover may be hot during
operation.

■ For U.K. customers

If the socket outlets in the home are not suitable for the
plug supplied with this appliance, it should be cut off and
an appropriate 3 pin plug fitted. For details, refer to the
instructions described below.

Note

The plug severed from the mains lead must be destroyed,
as a plug with bared flexible cord is hazardous if engaged
in a live socket outlet.

■ Special Instructions for U.K. Model

IMPORTANT

THE WIRES IN MAINS LEAD ARE COLOURED IN
ACCORDANCE WITH THE FOLLOWING CODE:
Blue: NEUTRAL
Brown: LIVE
As the colours of the wires in the mains lead of this apparatus may
not correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
The wire which is coloured BLUE must be connected to the
terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the
terminal which is marked with the letter L or coloured RED.
Make sure that neither core is connected to the earth terminal of the
three pin plug.

i En

CONTENTS

USEFUL FEATURES ................................... 1

SUPPLIED ACCESSORIES......................... 1

CONTROLS AND FUNCTIONS................. 2

PLAYBACK................................................. 11

Playing a source ............................................. 11

Adjusting to the desired sound....................... 12

Front panel ........................................................2

Rear panel .........................................................4

Remote control..................................................6

TROUBLESHOOTING.............................. 13

SPECIFICATIONS ..................................... 15

CONNECTIONS............................................9

Connecting speakers and source components...9

Connecting power cable..................................10

About this manual

• y indicates a tip for your operation.

• The illustrations used in this Owner’s Manual are A-S701.

• Depending on the model, there are some countries/regions where it may not be sold.

USEFUL FEATURES

This unit allows you to:

◆ Enjoy the highest sound quality of compact discs by

using the CD direct function (A-S701 only)
(see page 12)

◆ Enjoy pure, high fidelity sound by using the Pure

Direct function (see page 12)

◆ Save power by using AUTO POWER STANDBY

switch (see page 4)

◆ Use the remote control of this unit to operate a Yamaha

tuner and/or CD player (see page 7)

◆ Boost bass sounds by connecting a subwoofer

(see page 9)

SUPPLIED ACCESSORIES

Please check that you received all of the following parts.

Remote control Batteries (x2)

(AA, R6, UM-3)

Power cable

(A-S701 only)

1 En

Front panel

CONTROLS AND FUNCTIONS

(A-S701)

1 A (power) switch

Turns on and off the power of this unit.

Note

Even when this unit is turned off, this unit consumes a small

amount of power.

2 Power indicator

Indicator Status

Brightly lit The power of this unit is “on”.

Dimly lit

Off The power of this unit is “off”.

This unit is in “standby” mode.
For details on the “standby” mode, see
page 6.

3 Remote control sensor

Receives infrared signals from the remote control.

4 PHONES jack

Connect your headphones.

5 SPEAKERS selector

Selector
position

OFF Both sets of speakers are off.

A or B

A+B BI-WIRING Both sets of speakers are on.

Speaker status

The set of speakers connected to the A
or B terminals is on.

6 BASS control

Increases or decreases the low frequency response.
The 0 position produces a flat response.
Control range: –10 dB to +10 dB

7 TREBLE control

Increases or decreases the high frequency response.
The 0 position produces a flat response.
Control range: –10 dB to +10 dB

2 En

CONTROLS AND FUNCTIONS

(A-S701)

8 BALANCE control

Adjusts the sound output balance of the left and right
speakers to compensate for sound imbalances.

Note

If you rotate the BALANCE control to the end of L (left) or
R (right), the opposite side of channel is muted.

9 LOUDNESS control

Retain a full tonal range at any volume level
(see page 12).

0 INPUT selector and indicators

Selects the input source you want to listen to. The
input source indicators light up when the
corresponding input sources are selected.

y

The input source names correspond to the names of the
connection jacks on the rear panel.

A VOLUME control

Increases or decreases the sound output level.

B CD DIRECT AMP button and indicator

(A-S701 only)

Reproduces CD sound in the highest signal quality
(see page 12).
The indicator above it lights up when this function is
turned on.

C PURE DIRECT button and indicator

Reproduces any input source in the purest sound
possible (see page 12).
The indicator above it lights up when this function is
turned on.

3 En

CONTROLS AND FUNCTIONS

Rear panel

(A-S501/S301)

(A-S701)

1 CD input jacks

Used to connect a CD player (see page 9).

2 PHONO jacks and GND terminal

Used to connect a turntable that uses an MM cartridge,

and to ground the terminal (see page 9).

3 Audio input/output jacks

Used to connect external components, such as a tuner,

etc (see page 9).

4 DIGITAL (OPTICAL) jack

Used to connect a component with a digital optical

output (see page 9).

5 DIGITAL (COAXIAL) jack

Used to connect a component with a digital coaxial

output (see page 9).

6 DC OUT jack

For supplying power to a Yamaha AV accessory. For
details on connections, refer to the instruction manual
of the AV accessory.

7 SPEAKERS A/B terminals

Used to connect one or two speaker sets (see page 9).

8 SUBWOOFER OUT jack

Used to connect a subwoofer with built-in amplifier
(see page 9).

y

The SUBWOOFER OUT jack attenuates signals over 90 Hz.

9 AUTO POWER STANDBY switch

ON

OFF

Switch

position

The unit enters standby mode
automatically if not operated for 8
hours.

The unit does not enter standby mode
automatically.

Status

4 En

CONTROLS AND FUNCTIONS

(A-S501/S301)

(A-S701)

0 VOLTAGE SELECTOR (General model only)

Used to set to your local main voltage (see page 10).

A IMPEDANCE SELECTOR switch

CAUTION

Do not change the IMPEDANCE SELECTOR switch
while the power is turned on, as doing so may damage
the unit.
If the IMPEDANCE SELECTOR switch may not be
fully slid to either position, remove the power cable
and slide the switch all the way to either position.
Select the switch position according to the impedance
of the speakers.

Speaker

connection

SPEAKERS A
or
SPEAKERS B

SPEAKERS A
and
SPEAKERS B

Bi-wiring

Speaker

impedance

6 Ω or higher HIGH

4 Ω or higher LOW

12 Ω or higher HIGH

8 Ω or higher LOW

6 Ω or higher HIGH

4Ω or higher LOW

position

Switch

B AC IN (A-S701)

Used to connect the supplied power cable to an AC
wall outlet (see page 10).

Power cable (A-S501/S301)

Used to connect this unit to an AC wall outlet
(see page 10).

5 En

CONTROLS AND FUNCTIONS

Remote control

1 Infrared signal transmitter

Sends infrared signals.

2 A AMP

Turns this unit on, or sets it to standby mode.

3 OPEN/CLOSE

Opens/closes the disc tray of the Yamaha CD player.

Refer to the owner’s manual of your CD player for

details.

Note

Even when using a Yamaha CD player, certain components

and features may not be available.

6 En

(A-S501/S301)(A-S701)

4 A CD

Turns the Yamaha CD player on, or sets it to standby
mode. Refer to the owner’s manual of your CD player

for details.

Note

Even when using a Yamaha CD player, certain components
and features may not be available.

5 CD DIRECT AMP (A-S701 only)

Reproduces CD sound in the highest signal quality
(see page 12).

6 Input selector buttons

Selects the input source you want to listen to.

y

The input source names correspond to the names of the
connection jacks on the rear panel.

CONTROLS AND FUNCTIONS

7 VOLUME +/–

Increases or decreases the sound output level.

8 MUTE

Reduces the current volume level by approximately
20 dB. Press again to restore the audio output to the
previous volume level. Pressing the VOLUME +/–
also cancels muting.
The input indicator on the front panel for the current
input source blinks while the output is muted.

9 PURE DIRECT

Reproduces any input source in the purest sound
possible (see page 12).

0 Yamaha tuner control buttons

The following buttons can be used to control various
functions of a Yamaha tuner.
Refer to your component’s owner’s manual for more
information.

BAND

Selects the reception band (FM/AM).

TUNING jj / ii

Selects the tuning frequency.

MEMORY

Stores the current FM/AM station as a preset.

PRESET j / i

Selects a preset FM/AM station.

A Yamaha CD player control buttons

The following buttons can be used to control a
Yamaha CD player.
Refer to your component’s owner’s manual for more
information.

w Rewinds playback
f Fast-forwards playback

DISC SKIP Skips to the next disc in a CD changer

(A-S501/S301 only)

e Pauses playback
b Skips backward
a Skips forward
p Starts playback
s Stops playback

Note

Even when using a Yamaha CD player, certain components
and features may not be available.

Note

Even when using a Yamaha tuner, certain components and
features may not be available.

7 En

CONTROLS AND FUNCTIONS

■ Installing batteries ■ Operation range

Point the remote control at the remote control sensor on
this unit and remain within the operating range shown
below.

Approximately

AA, R6, UM-3 batteries

■ Notes on remote control and batteries

• The area between the remote control and this unit must be clear of large obstacles.

• Be careful not to spill water or other liquids on the remote control.

• Be careful not to drop the remote control.

• Do not leave or store the remote control in the following conditions:

– places of high humidity, such as near a bathroom
– places of high temperatures, such as near a heater or stove
– places of extremely low temperatures
– dusty places

• Change all batteries if you notice the operation range of the remote control narrows.

• If the batteries run out, immediately remove them from the remote control to prevent an explosion or acid leak.

• If you find leaking batteries, discard the batteries immediately, taking care not to touch the leaked material. If the leaked material

comes into contact with your skin or gets into your eyes or mouth, rinse it away immediately and consult a doctor. Clean the battery
compartment thoroughly before installing new batteries.

• Do not use old batteries together with new ones. This may shorten the life of the new batteries or cause old batteries to leak.

• Do not use different types of batteries (such as alkaline and manganese batteries) together. Batteries that look the same may have a

different specification.

• Dispose of batteries according to your regional regulations.

• Keep the batteries in a location out of reach of children.

Batteries can be dangerous if a child were to put in his or her mouth.

• If you plan not to use this unit for a long period of time, remove the batteries from this unit. Otherwise, the batteries will wear out,

possibly resulting in a leakage of battery liquid that may damage this unit.

6 m

Remote control

8 En

CONNECTIONS

Connecting speakers and source components

Make sure to connect L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. If the connections are faulty, no sound will
be heard from the speakers, and if the polarity of the speaker connections is incorrect, the sound will be unnatural and
lack bass. Refer to the owner’s manual for each of your components.
Make sure to use RCA cables or optical cable to connect audio components.

CAUTION

Do not connect this unit or other components to the main power until all connections between components are complete.

Turntable

Tuner

DVD player,

etc.

TV, etc.

BD player, etc.

Speakers A

LeftRight

Audio

out

Audio

out

CD player

GND

Audio

out

Audio

out

etc.

Audio

Audio

In

out

Audio

In

CD recorder,

etc.

Audio

out

Audio

out

Audio

out

SubwooferTape deck,

Speakers B

LeftRight

Only PCM signals can be input to the DIGITAL (OPTICAL/COAXIAL) jacks of this unit. For details on the supported
PCM signals, see page 15.

y

• The PHONO jacks are designed for connecting a turntable with an MM cartridge.

• Connect your turntable to the GND terminal to reduce noise in the signal. However, for some turntables, you may hear less noise
without the GND connection.

9 En

CONNECTIONS

■ REC jacks

• The audio signals are not output via the LINE 2 REC
or LINE 3 REC output jacks when LINE 2 or LINE 3
is selected with the INPUT selector.

• The VOLUME, BASS, TREBLE, BALANCE and
LOUDNESS controls and the CD DIRECT function
(or the PURE DIRECT function) have no effect on the
source being recorded.

■ Connecting speaker cables

1 Remove approximately 10 mm of insulation from the

end of each speaker cable.

2 Twist the bare wires of the cable firmly together.
3 Unscrew the knob.
4 Insert one bare wire into the hole in the side of each

terminal.

5 Tighten the knob to secure the wire.

10 mm

Red: positive (+)

Black: negative (–)

CAUTION

• Set the IMPEDANCE SELECTOR switch according to
the impedance of the speakers to be connected (see
page 5).

• Do not let bare speaker wires touch each other or any
metal part of this unit. This could damage this unit and/
or the speakers.

■ Connecting via banana plug

(North America, General, China and
Australia models only)

1 Tighten the knob.
2 Insert the banana plug into the end of the

corresponding terminal.

Rear panel

Speaker

Connect the other speaker to the other set of terminals in
the same way.

Note

When making bi-wire connections, remove the shorting bridges
or cables on the speaker. Refer to the speakers’ instruction
manuals for more information.

y

To use the bi-wire connections, set the SPEAKERS selector on
the front panel to the A+B BI-WIRING position.

Connecting power cable

CAUTION

(General model only)
Before connecting the power cable, make sure you set
VOLTAGE SELECTOR of this unit according to your
local voltage. Improper setting of VOLTAGE SELECTOR
may cause fire and damage to this unit.

■ AC IN (A-S701)

Connect the supplied power cable to AC IN after all other
connections are complete.

■ Power cable (A-S501/S301)

Connect the power cable to an AC wall outlet after all
other connections are complete.

Banana plug

■ Bi-wire connection

In the case of speakers supporting the bi-wiring
connection, the tweeter/midrange unit and woofer of the
speakers can be driven independently through connections
shown in the following figure, allowing you to enjoy clear
mid- and high-range sounds.

10 En

To t h e AC

wall outlet

(A-S501/S301)

To t h e AC
wall outlet
(A-S701)

PLAYBACK

Playing a source

SPEAKERS VOLUME

A AMP

Input selector

buttons

VOLUME +/–

4 Rotate the SPEAKERS selector on the front

panel to select SPEAKERS A, B or A+B BI­WIRING.

y

Set the SPEAKERS selector to the A+B BI-WIRING position
when two sets of speakers are connected using bi-wire
connections, or when using two sets of speakers simultaneously
(A and B).

5 Play the selected input source.

(A-S701)

INPUTA

6 Rotate the VOLUME control on the front

panel (or press VOLUME +/– on the remote
control) to adjust the sound output level.

y

You can adjust to the desired sound by using the BASS,
TREBLE, BALANCE and LOUDNESS controls, the CD
DIRECT AMP button, or the PURE DIRECT button on the front
panel.

7 When finished listening, press A (power)

switch on the front panel outward to turn off
this unit.

y

If A AMP on the remote control is pressed while the A (power)
switch on the front panel is in the on position, this unit enters
standby mode. Press A AMP again to turn this unit on.

1 Rotate the VOLUME control on the front

panel fully counter-clockwise so as not to
play sounds loud suddenly.

2 Press A (power) switch on the front panel

inward to turn on this unit.

3 Rotate the INPUT selector on the front panel

(or press one of the Input selector buttons on
the remote control) to select the input source
you want to listen to.

The indicator for the selected input source lights up.

11 En

PLAYBACK

Adjusting to the desired sound

VOLUMELOUDNESS

(A-S701)

CD DIRECT

AMP

■ Making it easier to hear the high- and

low-frequency ranges even at low
volume (LOUDNESS)

Enjoy natural sound even at low volume by lowering the
mid-range sound level and compensating for the human
ears’ loss of sensitivity to high- and low-frequency ranges
at low volume.

CAUTION

If the CD DIRECT AMP function (or the PURE DIRECT
function) is turned on with the LOUDNESS control set at
a certain level, the input signals bypass the loudness
control, resulting in a sudden increase in the sound output
level. To prevent your ears or the speakers from being
damaged, be sure to press the CD DIRECT AMP button
(or the PURE DIRECT button) AFTER lowering the

sound output level or AFTER checking that the
LOUDNESS control is properly set.

1 Set the LOUDNESS control to the FLAT

position.

2 Rotate the VOLUME control on the front

panel (or press VOLUME +/– on the remote
control) to set the sound output level to the
loudest listening level that you would listen
to.

PURE

DIRECT

■ Reproducing pure, high fidelity sound
(PURE DIRECT)

When the PURE DIRECT function is on, noise can be
reduced by bypassing the circuit that the audio input
signal is not using and stopping the power supply to the
circuit.
Therefore, in all input sources, you can enjoy music
playback in straight and high quality sound.
The indicator above the PURE DIRECT button lights up
when this function is turned on.

Note

The BASS, TREBLE, BALANCE and LOUDNESS controls do
not function while the PURE DIRECT function is turned on.

■ Reproducing CD sound with the highest
sound quality (CD DIRECT AMP)
(A-S701 only)

When selecting the input source other than CD, if you
press the CD DIRECT AMP button, the input source
switches to CD.

CD Direct Amp feature

Stop power supply to the unnecessary circuit for CD
playback, convert the input signal to the normal phase
and reverse phase, and balance transfer to the electronic
volume. With the following effects, a more faithful
sound to the original will be provided.

• improved signal-to-noise ratio

• external noise canceling

• reduced distortion

Notes

• The BASS, TREBLE, BALANCE and LOUDNESS controls do

not function while the CD DIRECT AMP function is turned on.

• Be sure to connect the CD player to the CD input jacks if you

use the CD direct function.

• The CD DIRECT AMP function is turned off if the following

operation is performed.
– Select an input source other than CD for the INPUT selector.
– The PURE DIRECT function is turned on.

3 Rotate the LOUDNESS control

counterclockwise until the desired volume is
obtained.

12 En

TROUBLESHOOTING

Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or
if the instructions below do not help, turn off this unit, disconnect the power cable, and then contact the nearest
authorized Yamaha dealer or service center.

Problem Cause Remedy

This unit fails to turn
on.

This unit turns off
suddenly and the
power indicator
blinks.

No sound. Sound is muted. Press MUTE on the remote control or rotate the

The power cable is not connected or the
plug is not completely inserted.

The A AMP is pressed on the remote
control while this unit is turned off.

The impedance setting of the connected
speaker is too small.

The protection circuitry has been activated
because of a short circuit, etc.

There is a problem with the internal
circuitries of this unit.

The speaker wires are touching each other
or shorting out against the rear panel.

The speaker is malfunctioning. Replace the speaker set and press the A (power)

The protection circuitry has been activated
because of excessive input or excessive
volume level.

The protection circuitry has been activated
due to excessive internal temperature.

The IMPEDANCE SELECTOR switch is
not fully slid to either position.

The IMPEDANCE SELECTOR switch is
not set to the correct position.

This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).

There is a problem with the internal
circuitries of this unit.

Incorrect cable connections. Connect the stereo cable for audio units and the

Connect the power cable firmly.

Press A (power) switch on the front panel to on.

Use speaker(s) with proper speaker impedance.

Check that the speaker wires are not touching each
other and then turn the power of this unit back on.

Disconnect the power cable and contact the nearest
authorized Yamaha dealer or service center.

Connect the speaker cables properly and press the A
(power) switch again. The INPUT indicators blink
and the volume is decreased to the lowest setting
automatically, then the INPUT indicators stop
flashing and the last input source selected lights up.
Confirm normal sound output from speakers by
increasing the volume gradually.

switch again. The INPUT indicators blink and the
volume is decreased to the lowest setting
automatically, then the INPUT indicators stop
flashing and the last input source selected lights up.
Confirm normal sound from speakers by increasing
the volume gradually.

Rotate the VOLUME control on the front panel to
decrease the volume level and then turn the power on
again.

Allow about 30 minutes for the temperature inside
this unit to decrease, rotate the VOLUME control on
the front panel to lower the volume and then turn the
power on again. Set the unit in a place where heat can
readily dissipate from the unit.

Turn the power off and slide the IMPEDANCE
SELECTOR switch all the way to the correct position.

Set the IMPEDANCE SELECTOR switch to the
position that corresponds to the impedance of your
speakers.

Turn off this unit, disconnect the power cable, plug it
back in after 30 seconds, then use the unit normally.

Disconnect the power cable and contact the nearest
authorized Yamaha dealer or service center.

VOLUME control.

speaker wires properly. If the problem persists, the
cables may be defective.

See

page

10

2

5

10

—

10

—

—

—

5

5

—

—

7

9

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TROUBLESHOOTING

Problem Cause Remedy

No sound. Playback has been stopped on the

The sound suddenly
goes off.

Only the speaker on
one side can be
heard.

There is a lack of bass
and no ambience.

A “humming” sound
can be heard.

The volume level
cannot be increased,
or the sound is
distorted.

The sound is
degraded when
listening with
headphones
connected to a CD
player connected to
this unit.

The sound level is
low.

The volume level is
low while playing a
record.

Using the BASS,
TREBLE, BALANCE
and LOUDNESS
controls does not
affect the sound.

connected component.

No appropriate input source has been
selected.

The SPEAKERS selector is not set
properly.

The output audio source setting on the
connected component is not PCM.

The automatic power down function has
activated.

Incorrect cable connections. Connect the cables properly. If the problem persists,

Incorrect setting for the BALANCE
control.

The + and – wires are connected in
reverse at the amplifier or the speakers.

Incorrect cable connections. Connect the audio plugs firmly. If the problem

No connection from the turntable to the
GND terminal.

The component connected to the LINE 2
REC or LINE 3 REC jacks of this unit is
turned off.

This unit is turned off or is in standby
mode.

Sound is muted. Press MUTE on the remote control or rotate the

The loudness control function is
operating.

The turntable is connected to the jacks
other than the PHONO jacks.

The record is being played on a turntable
with an MC cartridge.

The CD DIRECT function or the PURE
DIRECT function is turned on.

Turn the component on and start playback.

Select an appropriate input source with the INPUT
selector on the front panel (or one of the Input
selector buttons on the remote control).

Set the corresponding SPEAKERS selector to A, B or
A+B BI-WIRING position.

Only PCM audio sources can be played via the
DIGITAL (OPTICAL/COAXIAL) jacks of this unit.
Set the output audio source of the connected
component to PCM.

Confirm that there are no other issues causing this
problem, and then turn this unit on again.
To turn off the AUTO POWER STANDBY function,
set the AUTO POWER STANDBY switch to OFF on
the rear panel.

the cables may be defective.

Set the BALANCE control to the appropriate
position.

Connect the speaker wires to the correct + and –
phase.

persists, the cables may be defective.

Make the GND connection between the turntable and
this unit.

Turn on the power of the component.

Turn on the power of this unit.

VOLUME control.

Turn down the volume, set the LOUDNESS control
to the FLAT position, and then adjust the volume
again.

Connect the turntable to the PHONO jacks.

Use a turntable equipped with an MM cartridge.

The CD DIRECT function or the PURE DIRECT
function must be turned off to use those controls.

See

page

11

11

11

16

4

9

3

10

9, 10

9

—

—

7

12

9

9

12

14 En

SPECIFICATIONS

AUDIO SECTION

Item A-S701 A-S501 A-S301

8 Ω, 20 Hz to 20 kHz, 0.019% THD 100 W + 100 W 85 W + 85 W 60 W + 60 W

Minimum RMS output power

Dynamic power per channel (IHF)

Maximum power per channel

IEC power

Power band width

Damping factor (SPEAKERS A) 1 kHz, 8 Ω 240 or more 210 or more

Maximum Effective Output Power
(JEITA)

Input sensitivity/Input impedance

Maximum input signal

Output level/Output impedance

PHONES jack rated output/
Impedance

Frequency response

RIAA equalization deviation PHONO (MM) ± 0.5 dB

Total harmonic distortion

6 Ω, 20 Hz to 20 kHz, 0.038% THD
(Except for Asia and China models)

8 Ω 140 W 130 W 100 W

6 Ω 170 W 150 W 120 W

4 Ω 220 W 185 W 140 W

2 Ω 290 W 220 W 150 W

1 kHz, 0.7% THD, 4 Ω
(U.K. and Europe models only)

1 kHz, 0.019% THD, 8 Ω
(U.K. and Europe models only)

0.04% THD, 50 W, 8 Ω 10 Hz to 50 kHz — —

0.04% THD, 42.5 W, 8 Ω — 10 Hz to 50 kHz —

0.04% THD, 30 W, 8 Ω — — 10 Hz to 50 kHz

1 kHz, 10% THD, 8 Ω
(Asia, China and General models
only)

1 kHz, 10% THD, 6 Ω
(General model only)

PHONO (MM) 3.0 mV/47 kΩ

CD, etc. 200 mV/47 kΩ

PHONO (MM) (1 kHz, 0. 03%
THD)

CD etc. (1 kHz, 0.5% THD) 2.2 V or more

REC OUT 200 mV/1.0 kΩ or less

SUBWOOFER OUT (Cut Off
Frequency: 100 Hz)

CD, etc. (Input 1 kHz, 200 mV,
8 Ω)

CD, etc. (20 Hz to 20 kHz) 0 ± 0.5 dB

CD, etc. PURE DIRECT on (10 Hz
to 100 kHz)

PHONO (MM) to REC OUT (20
Hz to 20 kHz, 2.5 V)

CD, etc. to SPEAKERS (20 Hz to
20 kHz, 50 W, 8 Ω)

CD, etc. to SPEAKERS (20 Hz to
20 kHz, 45 W, 8 Ω)

CD, etc. to SPEAKERS (20 Hz to
20 kHz, 30 W, 8 Ω)

120 W + 120 W 100 W + 100 W 70 W + 70 W

160 W 120 W 95 W

115 W 100 W 75 w

145 W 130 W 100 W

170 W — —

45 mV or more

3.5 V/1.2 kΩ

470 mV/470 Ω 430 mV/470 Ω 360 mV/470 Ω

0 ± 1.0 dB

0.03 % or less

0.019 % or less — —

— 0.019 % or less —

— — 0.019 % or less

15 En

SPECIFICATIONS

Item A-S701 A-S501 A-S301

PHONO (MM)

Signal to noise ratio (IHF-A
network)

Residual noise (IHF-A network) 40 μV

Channel separation

Tone control characteristics

Continuous loudness control Attenuation (1 kHz) – 30 dB

Supported digital audio format
(OPTICAL/COAXIAL)

PCM word depth 24 bit/16 bit

(5 mV input shorted)

CD, etc. PURE DIRECT on
(200 mV input shorted)

CD DIRECT AMP on 104 dB or more — —

CD, etc. (5.1 kΩ input shorted,
1kHz)

CD, etc. (5.1 kΩ input shorted,
10 kHz)

Boost/

BASS

TREBLE

PCM (2-ch) 192/176.4/96/88.2/48/44.1/32 kHz

Cut (20 Hz)

Turnove r
frequency

Boost/
Cut (20 kHz)

Turnove r
frequency

82 dB or more

99 dB or more

65 dB or more

50 dB or more

± 10 dB

400 Hz

± 10 dB

3.5 kHz

GENERAL

Item A-S701 A-S501 A-S301

U.S.A. and Canada models AC 120 V, 60 Hz

Asia model AC 220-240 V, 50/60 Hz

General model AC 110-120 V/220-240 V, 50/60 Hz

Power supply

Power consumption

Standby power consumption 0.5 W

Maximum power consumption

Dimensions W × H × D 435 × 151 × 387 mm (17-1/8" × 6" × 15-1/4")

Weight 11.2 kg (24.7 lbs) 10.3 kg (22.7 lbs) 9.0 kg (19.8 lbs)

Specifications are subject to change without notice.

China model — AC 220 V, 50 Hz

Korea model — — AC 220 V, 60 Hz

Australia model AC 240 V, 50 Hz

U.K. and Europe models AC 230 V, 50 Hz

U.S.A and Canada, General,
Australia, U.K and Europe models

Asia model 230 W 220 W 170 W

China model — 220 W 170 W

Korea model — — 190 W

1 kHz 6 Ω 10% THD
(General model only)

270 W 240 W 190 W

580 W 510 W 430 W

16 En

SPECIFICATIONS

Information for Users on Collection and Disposal of Old Equipment
and Used Batteries

These symbols on the products, packaging, and/or accompanying documents mean that used electrical and
electronic products and batteries should not be mixed with general household waste.
For proper treatment, recovery and recycling of old products and used batteries, please take them to
applicable collection points, in accordance with your national legislation and the Directives 2002/96/EC
and 2006/66/EC.

By disposing of these products and batteries correctly, you will help to save valuable resources and prevent
any potential negative effects on human health and the environment which could otherwise arise from
inappropriate waste handling.

For more information about collection and recycling of old products and batteries, please contact your
local municipality, your waste disposal service or the point of sale where you purchased the items.

[Information on Disposal in other Countries outside the European Union]

These symbols are only valid in the European Union. If you wish to discard these items, please contact
your local authorities or dealer and ask for the correct method of disposal.

Note for the battery symbol (bottom two symbol examples):

This symbol might be used in combination with a chemical symbol. In this case it complies with the
requirement set by the Directive for the chemical involved.

17 En

Printed in Malaysia ZM52710-1