DSP-E492
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DSP-E492
Natural Sound AV Processor/Amplifier
Processeur/amplificateur audiovisuel “Son Naturel”
Thank you for selecting this YAMAHA AV Processor/Amplifier.
Nous vous remercions d’avoir porté votre choix sur ce processeur/amplificateur audiovisuel YAMAHA.
OWNER’S MANUAL MODE D’EMPLOI
CONTENTS
Safety instructions............................................2
Caution ............................................................3
Supplied Accessories ......................................4
Feauters...........................................................5
Notes about the Remote Control Transmitter
........................................................................5
Profile of This Unit ...........................................6
Speaker Setup ................................................7
Connections ....................................................8
Controls and Their Functions ........................15
Speaker Balance Adjustment ........................18
Basic Operations ...........................................20
Using Digital Sound Field Processor (DSP)
......................................................................23
Troubleshooting .............................................27
Specifications ................................................28
TABLES DES MATIERES
Accessoires fournis .......................................29
Caracteristiques.............................................29
Attention ........................................................30
Remarques concernant la télécommande ....31
Aperçu de cet appareil ..................................32
Installation des enceintes acoustiques ..........33
Raccordements .............................................34
Les commandes et leurs fonctions ................41
Réglage de la balance des enceintes ...........44
Fonctionnement de base ...............................46
Utilisation du processeur de champ sonore
numérique (DSP) ........................................49
En cas de difficulté ........................................53
Caractéristiques techniques ..........................54
SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
7 Wall or Ceiling Mounting – The unit should be mounted to
a wall or ceiling only as recommended by the
manufacturer.
8 Ventilation – The unit should be situated so that its
location or position does not interfere with its proper
ventilation. For example, the unit should not be situated
on a bed, sofa, rug, or similar surface, that may block the
ventilation openings; or placed in a built-in installation,
such as a bookcase or cabinet that may impede the flow
of air through the ventilation openings.
Explanation of Graphical Symbols
•
The lightning flash with arrowhead
symbol, within an equilateral triangle,
is intended to alert you to the
presence of uninsulated “dangerous
voltage” within the product’s
enclosure that may be of sufficient
magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an
equilateral triangle is intended to alert
you to the presence of important
operating and maintenance
(servicing) instructions in the
literature accompanying the
appliance.
WARNING
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS
UNIT TO RAIN OR MOISTURE.
1 Read Instructions – All the safety and operating
instructions should be read before the unit is operated.
2 Retain Instructions – The safety and operating instructions
should be retained for future reference.
3 Heed Warnings – All warnings on the unit and in the
operating instructions should be adhered to.
4 Follow Instructions – All operating and other instructions
should be followed.
5 Water and Moisture – The unit should not be used near
water – for example, near a bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, or near a swimming
pool, etc.
6 Carts and Stands – The unit should be used only with a
cart or stand that is recommended by the
manufacturer.
6A A unit and cart combination should be
moved with care. Quick stops, excessive
force, and uneven surfaces may cause
the unit and cart combination to overturn.
9 Heat – The unit should be situated away from heat
sources such as radiators, stoves, or other appliances that
produce heat.
10 Power Sources – The unit should be connected to a power
supply only of the type described in the operating
instructions or as marked on the unit.
11 Power-Cord Protection – Power-supply cords should be
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the unit.
12 Cleaning – The unit should be cleaned only as
recommended by the manufacturer.
13 Nonuse Periods – The power cord of the unit should be
unplugged from the outlet when left unused for a long
period of time.
14 Object and Liquid Entry – Care should be taken so that
objects do not fall into and liquids are not spilled into the
inside of the unit.
15 Damage Requiring Service – The unit should be serviced
by qualified service personnel when:
A. The power-supply cord or the plug has been
damaged; or
B. Objects have fallen, or liquid has been spilled into the
unit; or
C. The unit has been exposed to rain; or
D. The unit does not appear to operate normally or
exhibits a marked change in performance; or
E. The unit has been dropped, or the cabinet damaged.
16 Servicing – The user should not attempt to service the unit
beyond those means described in the operating
instructions. All other servicing should be referred to
qualified service personnel.
17 Power Lines – An outdoor antenna should be located
away from power lines.
18 Grounding or Polarization – Precautions should be taken
so that the grounding or polarization is not defeated.
2
SPECIAL NOTES FOR FCC COMPOSITE DEVICE (for US customers only)
This device is a composite system. The digital device component may not cause harmful interference.
FCC INFORMATION (for US customers only)
English
1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the
instructions contained in this manual, meets FCC
requirements. Modifications not expressly approved by
Yamaha may void your authority, granted by the FCC, to
use the product.
2. IMPORTANT : When connecting this product to
accessories and/or another product use only high quality
shielded cables. Cable/s supplied with this product
MUST be used. Follow all installation instructions.
Failure to follow instructions could void your FCC
authorization to use this product in the USA.
3. NOTE : This product has been tested and found to
comply with the requirements listed in FCC Regulations,
Part 15 for Class “B” digital devices. Compliance with
these requirements provides a reasonable level of
assurance that your use of this product in a residential
environment will not result in harmful interference with
other electronic devices.
This equipment generates/uses radio frequencies and, if
not installed and used according to the instructions
found in the users manual, may cause interference
harmful to the operation of other electronic devices.
Compliance with FCC regulations does not guarantee that
interference will not occur in all installations. If this product
is found to be the source of interference, which can be
determined by turning the unit “OFF” and “ON”, please try
to eliminate the problem by using one of the following
measures:
Relocate either this product or the device that is being
affected by the interference.
Utilize power outlets that are on different branch (circuit
breaker or fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the
antenna. If the antenna lead-in is 300 ohm ribbon lead,
change the lead-in to coaxial type cable.
If these corrective measures do not produce satisfactory
results, please contact the local retailer authorized to
distribute this type of product. If you can not locate the
appropriate retailer, please contact Yamaha Electronics
Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA
90620.
The above statements apply ONLY to those products
distributed by Yamaha Corporation of America or its
subsidiaries.
We Want You Listening For A Lifetime (for US customers only)
YAMAHA and the Electronic Industries Association’s
Consumer Electronics Group want you to get the most out of
your equipment by playing it at a safe level. One that lets the
sound come through loud and clear without annoying blaring or
distortion – and, most importantly, without affecting your
sensitive hearing.
Since hearing damage from loud sounds is often undetectable
until it is too late, YAMAHA and the Electronic
Industries Association’s Consumer Electronics
Group recommend you to avoid prolonged
exposure from excessive volume levels.
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 unit in a cool, dry, clean place – away from
windows, heat sources, sources of excessive vibration,
dust, moisture and cold. Avoid sources of humming
(transformers, motors). To prevent fire or electrical shock,
do not expose the unit to rain or water.
3. Never open the cabinet. If something drops into the set,
contact your dealer.
4. Do not use force on switches, controls or connection wires.
When moving the unit, first disconnect the power plug and
the wires connected to other equipment. Never pull the
wires themselves.
5. Always set the VOLUME control to “–
the audio source play. Increase the volume gradually to an
appropriate level after playback has been started.
6. Do not attempt to clean the unit with chemical solvents;
this might damage the finish. Use a clean, dry cloth.
” before starting
∞
7. The openings on the cabinet assure proper ventilation of
the unit. If these openings are obstructed, the temperature
inside the cabinet will rise rapidly. Therefore, avoid placing
objects against these openings, and install the unit in wellventilated condition. Make sure to allow a space of at least
20 cm behind, 20 cm on the both sides and 30 cm above
the top panel of the unit. Otherwise it may not only damage
the unit, but also cause fire.
8. Be sure to read the “TROUBLESHOOTING” section
regarding common operating errors before concluding that
the unit is faulty.
9. To prevent lightning damage, disconnect the AC power
plug and disconnect the antenna cable when there is an
electrical storm.
10.AC outlet
Do not connect audio equipment to the AC outlet on the
rear panel if that equipment requires more power than the
outlet is rated to provide.
3
IMPORTANT
SINGLE:8ΩMIN./SPEAKER
DUAL:4ΩMIN./SPEAKER
8ΩMIN./SPEAKER
CENTER
REAR
SINGLE:4ΩMIN./SPEAKER
DUAL:2ΩMIN./SPEAKER
6ΩMIN./SPEAKER
CENTER
REAR
IMPEDANCE SELECTOR
CAUTION
SEE INSTRUCTION MANUAL FOR CORRECT SETTING.
REAR
CENTER
REC/PAUSE
DIR BDIR A
PLAY
DISC
2CH/6CH VOLUME
PLAY
PRESET
A/B/C/D/E
–+
TIME/
LEVEL
TEST
EFFECT
PROGRAM
PROLOGIC
ENHANCED
–+
TAPE
A/B
ON/OFF
TUNER L2
CD L1
DELAY/CENTER
/REAR/SWFR
DVD/LD
VCR
TV/DBS
Please record the serial number of this unit in the space
below.
Serial No.:
The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future
reference.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
FOR CANADIAN CUSTOMERS
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE
OF PLUG TO WIDE SLOT AND FULLY INSERT.
THIS CLASS B DIGITAL APPARATUS MEETS ALL
REQUIREMENTS OF THE CANADIAN INTERFERENCECAUSING EQUIPMENT REGULATIONS.
The apparatus is not disconnected from the AC power
source as long as it is connected to the wall outlet, even if
the apparatus itself is turned off.
WARNING
Do not change the IMPEDANCE SELECTOR switch
setting while the power to this unit is on, otherwise this
unit may be damaged.
IMPEDANCE SELECTOR
(Europe model)
SUPPLIED ACCESSORIES
After unpacking, check that the following parts are included.
Remote Control Transmitter
Batteries (size AA, R6, UM-3)
4
FEATURES
1
3
2
l6
20
28
40
60
l2
8
4
2
0
–dB
30°
30°
English
●
Center and Rear Channel Power Amplifier
Center: 60W (8Ω) RMS Output Power,
0.04% THD, 20 – 20.000 Hz
Rear: 60W + 60W (8Ω) RMS Output
●
Test Tone Generator for Easier Speaker
Balance Adjustment
●
3 Center Channel Modes
(NORMAL/WIDE/PHANTOM)
Power, 0.04% THD, 20 – 20.000
Hz
●
Digital Sound Field Processor
● Video Signal Input/Output Capability
● 6-Channel Discrete Input Terminals for
Connecting with a Dolby Digital (AC-3)
●
Dolby Pro Logic Surround Decoder
●
Theater-like Sound Experience by the
Combination of Dolby Pro Logic and
YAMAHA DSP Technology (CINEMA DSP)
●
Automatic Input Balance Control for
Decoder
● 6-Channel Input Terminals to Input Audio
Signals from Your Existing Amplifier or
Receiver
● Remote Control Capability
Dolby Pro Logic Surround
NOTES ABOUT THE REMOTE CONTROL TRANSMITTER
Battery installation
Battery replacement
If you find that the remote control transmitter must be used
closer to the main unit, the batteries are weak. Replace both
batteries with new ones.
Notes
●
Use only AA, R6, UM-3 batteries for replacement.
●
Be sure the polarities are correct. (See the illustration inside
the battery compartment.)
●
Remove the batteries if the remote control transmitter will
not be used for an extended period of time.
●
If batteries leak, dispose of them immediately. Avoid
touching the leaked material or letting it come in contact with
clothing, etc. Clean the battery compartment thoroughly
before installing new batteries.
Remote control transmitter operation range
Remote control
sensor
Within approximately
6 m (19.7 feet)
Notes
●
There should be no large obstacles between the remote
control transmitter and the main unit.
●
If the remote control sensor is directly illuminated by strong
lighting (especially an inverter type of fluorescent lamp etc.),
it might cause the remote control transmitter not to work
correctly. In this case, reposition the main unit to avoid direct
lighting.
5
PROFILE OF THIS UNIT
CINEMA DSP
You are the proud owner of a Yamaha AV processor/amplifier –an extremely sophisticated audio component. The Digital Sound
Field Processor (DSP) built into this unit takes advantage of Yamaha’s undisputed leadership in the field of digital audio processing
to bring you a whole new world of listening experiences. Follow the instructions in this manual carefully when setting up your system,
and this unit will sonically transform your room into a wide range of listening environments –movie theater, concert hall, and so on.
In addition, you get incredible realism from sources encoded with Dolby Surround using the built-in Dolby Pro Logic Surround
Decoder.
Please read this operation manual carefully and store it in a safe place for later reference.
Digital Sound Field Processing
What is it that makes live music so good? Today’s advanced
sound reproduction technology lets you get extremely close to
the sound of a live performance, but chances are you’ll still
notice something missing: the acoustic environment of the live
concert hall. Extensive research into the exact nature of the
sonic reflections that create the ambience of a large hall has
made it possible for Yamaha engineers to bring you this same
sound in your own listening room, so you’ll feel all the sound of
a live concert.
Dolby Pro Logic Surround
This unit employs a Dolby Pro Logic Surround decoder similar
to professional Dolby Stereo decoders used in many movie
theaters. By using the Dolby Pro Logic Surround decoder, you
can experience the dramatic realism and impact of Dolby
Surround movie theater sound in your own home. Dolby Pro
Logic employs a four channel five speaker system. The Pro
Logic Surround system divides the input signal into four levels:
the left and right main channels, the center channel (used for
dialog), and the rear surround sound channels (used for sound
effects, background noise, and other ambient noises). The
center channel allows listeners seated in even less-than-ideal
positions to hear the dialog originating from the action on the
screen while experiencing good stereo imaging.
Dolby Surround is encoded on the sound track of pre-recorded
video tapes, laser discs, and some TV/cable broadcasts. When
you play a source encoded with Dolby Surround on this unit,
the Dolby Pro Logic Surround decoder decodes the signal and
distributes the surround-sound effects.
Furthermore, our technicians, armed with sophisticated
measuring equipment, have even made it possible to capture
the acoustics of a variety of venues such as an actual concert
hall, theater, etc. to allow you to accurately recreate one of
several actual live performance environments, all in your own
home.
This Dolby Pro Logic Surround Decoder employs a digital
signal processing system. This system improves the stability of
sound at each channel and minimizes crosstalk between
channels, so that positioning of sounds around the room is
more accurate compared with conventional analog signal
processing systems.
In addition, this unit features a built-in automatic input balance
control. This always assures you the best performance without
manual adjustment.
Manufactured under license from Dolby Laboratories Licensing
Corporation. “Dolby”, “AC-3”, “Pro Logic”, and the double-D
symbol are trademarks of Dolby Laboratories Licensing
Corporation.
Dolby Pro Logic Surround + DSP
Dolby Surround sound system shows its full ability in a large
movie theater, because movie sounds are originally designed
to be reproduced in a large movie theater using many
speakers. It is difficult to create a sound environment similar to
that of a movie theater in your listening room, because the
room size, materials of inside walls, the number of speakers,
etc. of your listening room is much different from those of a
movie theater.
Yamaha DSP technology made it possible to present you with
nearly the same sound experience as that of a large movie
theater in your listening room by compensating for lack of
presence and dynamics in your listening room with its original
digital sound fields combined with Dolby Surround sound field.
6
The combination of Dolby Pro Logic Surround and DSP is used
on the sound field program “ PRO LOGIC ENHANCED”.
The YAMAHA “CINEMA DSP” logo indicates these programs are
created by the combination of Dolby Pro Logic and YAMAHA
DSP technology.
SPEAKER SETUP
Front L Center Front R
Dialogue
Surround sound
Dialogue
Surround sound
Rear L
Rear R
Front L Front R
Dialogue
Surround sound
Dialogue
Surround sound
Rear L Rear R
Front R
Center
Front L
TV set
Rear R
Rear L
SPEAKERS TO BE USED
This unit is designed to provide the best sound-field quality with a 5-speaker configuration. The most effective speakers to use with
this unit are main speakers, rear speakers and a center speaker. You may omit the center speaker. (Refer to the “4-Speaker
Configuration” shown below.)
The main speakers are used for the main source sound plus the effect sounds. They will probably be the speakers from your present
stereo system. The rear speakers are used for the effect and surround sounds, and the center speaker is for the center sounds
(dialog etc.) within programs encoded with Dolby Surround. The center speaker needs to be equal in power to the main speakers,
although the rear speakers should not be equal. However, all the speakers should have high enough power handling to accept the
maximum output of this unit.
SPEAKER CONFIGURATION
English
5-Speaker Configuration
This configuration is the most effective and recommended one.
In this configuration, the center speaker is necessary as well as
the rear speakers. If the program DOLBY PRO LOGIC or
DOLBY PRO LOGIC ENHANCED is selected, conversations
will be output from the center speaker and the ambience will be
excellent.
• Set the center channel mode to the “NORMAL” or “WIDE”
position. (For details, refer to page 18.)
Main L
Main R
4-Speaker Configuration
The center speaker is not used in this configuration. If the
program DOLBY PRO LOGIC or DOLBY PRO LOGIC
ENHANCED is selected, the center sound is output from the
left and the right main speakers. However, the sound effect of
other programs can be the same as that of the 5-speaker
configuration.
• Be sure to set the center channel mode to the “PHANTOM”
position. (For details, refer to page 18.)
Main L
Main R
SPEAKER PLACEMENT
The recommended speaker configuration, the 5-speaker configuration, will require two speaker pairs: main speakers (your normal
stereo speakers), and rear speakers, plus a center speaker. When you place these speakers, refer to the following.
Main R
Main L
Main: In normal position. (The position of your present
stereo speaker system.)
Rear: Behind your listening position, facing slightly inward.
Nearly six feet (approx. 1.8 m) up from the floor.
Center: Precisely between the main speakers. (To avoid
interference with TV sets, use a magnetically shielded
speaker.)
7
CONNECTIONS
MONITOR
OUT
DVD/LD TV/DBS
IN OUT
VCR
VIDEO SIGNAL
CD
(LINE 1)
TAPE
( MD )
DVD/LD TV/DBS
VCR
TAPEPBREC
OUT
IN OUT
AUDIO SIGNAL
1
3 4
MAIN
TUNER
(LINE 2)
2
MAINS
SPEAKERS
OUTPUT
INPUT OUTPUT
l0 dB 0 dB
l
MAIN
LEVEL
SINGLE:8ΩMIN./SPEAKER
DUAL:4ΩMIN./SPEAKER
8ΩMIN./SPEAKER
CENTER
REAR
SINGLE:4ΩMIN./SPEAKER
DUAL:2ΩMIN./SPEAKER
6ΩMIN./SPEAKER
CENTER
REAR
IMPEDANCE SELECTOR
REAR CENTER
SUB
WOOFER
DUAL
(SURROUND)
DUAL
CAUTION
SEE INSTRUCTION MANUAL FOR CORRECT SETTING.
DUAL DUAL
SINGLE
REAR
CENTER
I00W MAX.
SWITCHED
AC OUTLET
6CH DISCRETE
INPUT
REARCENTERMAIN
SUB
WOOFER
(SURROUND) (SURROUND)
REARCENTERMAIN
SUB
WOOFER
INPUT
from
AMP/RECEIVER
PREOUT
1
890ABCD
23 4 567
INTERNAL
EXTERNAL
PROCESSOR
SELECTOR
REAR PANEL PARTS AND THEIR FUNCTIONS
(Europe model)
1 6CH DISCRETE INPUT terminals
Connect a Dolby Digital (AC-3) Decoder to these terminals.
6-channels (left main, right main, center, left rear surround,
right rear surround and subwoofer) of discrete audio signals
with the Dolby Digital (AC-3) decoded are input to these
terminals from the decoder.
2 INPUT (from AMP/RECEIVER PREOUT) terminals
These are additional 6-channel audio signal input terminals (for
left main, right main, center, left rear surround, right rear
surround and subwoofer channels) available for inputting
signals from your existing amplifier, receiver, sound processor,
etc. to this unit.
To listen to a sound by reproducing signals input to these
terminals from the external amplifier etc., be sure to set the
PROCESSOR SELECTOR switch on the front panel to the
“EXTERNAL” position. By doing so, the signals input to these
terminals are sent to the corresponding SPEAKERS terminals
and OUTPUT terminals of this unit bypassing any circuit in this
unit. So, volume, tone, etc. must be controlled on the external
amplifier.
3 MAIN OUTPUT terminals
Main-channel line output. Connect these to input terminals of
external stereo power amplifier (MAIN IN or equivalent
terminals of integrated amplifier or receiver) driving the main
speakers.
8
4 IMPEDANCE SELECTOR switch
Select the position whose requirements your speaker system
meets.
Be sure to switch this only when the power of this unit is turned
off.
(Right position)
Center: If you use one center speaker, the impedance of
the speaker must be 8Ω or higher.
If you use two center speakers, the impedance of
each speaker must be 4Ω or higher.
Rear: The impedance of each speaker must be 8Ωor
higher.
(Left position)
Center: If you use one center speaker, the impedance of
the speaker must be 4Ω or higher.
If you use two center speakers, the impedance of
each speaker must be 2Ω or higher.
Rear: The impedance of each speaker must be 6Ωor
higher.
WARNING
Do not change the IMPEDANCE SELECTOR switch
setting while the power to this unit is on, otherwise this
unit may be damaged.
English
5 MAIN LEVEL switch <U.K. and Europe models only>
Normally set to “0 dB”. If desired, you can decrease the output
level at the MAIN OUTPUT terminals by 10 dB by setting this
switch to “–10 dB”.
6 AC OUTLET (UNSWITCHED)
The power cord of any audio/video unit can be connected to
this outlet.
The power to this outlet is not controlled by this unit’s POWER
switch. This outlet will supply power to the connected unit even
if this unit is turned off.
The maximum power that can be connected to this outlet is
100 watts.
7 AC power cord
After all connections are completed, connect this into a wall AC
outlet.
8 AUDIO SIGNAL connection terminals (for audio source
equipment)
Connect the inputs and/or outputs of your audio equipment.
9 AUDIO/VIDEO SIGNAL connection terminals (for video
source equipment)
Connect the audio and video inputs and/or outputs of your
video equipment.
B REAR (SURROUND) OUTPUT terminals
These terminals are for rear channel line output. There is no
connection to these terminals when you use the built-in
amplifier.
However, if you drive rear speakers with an external stereo
power amplifier, connect the input terminals of the external
amplifier (MAIN IN or AUX terminals of a power amplifier or an
integrated amplifier) to these terminals.
Note
Output level of signals from the MAIN, REAR, CENTER and
SUBWOOFER OUTPUT terminals are adjusted by the use of
VOLUME control on the front panel or VOLUME keys on the
remote control transmitter.
C CENTER OUTPUT terminals
These terminals are for center channel line output. There is no
connection to these terminals when you use the built-in
amplifier.
However, if you drive a center speaker with an external power
amplifier, connect the input terminal of the external amplifier
driving a center speaker to one of these terminals.
If you drive two center speakers with external amplifiers,
connect the input terminal of the external amplifier driving
another center speaker to the other terminal.
0 REAR SPEAKERS terminals
When using the built-in rear-channel amplifier, connect the rear
speakers here.
A CENTER SPEAKERS terminals
When using the built-in center-channel amplifier, connect one
or two center speakers here.
D SUBWOOFER OUTPUT terminals
You may wish to add a subwoofer to reinforce the bass
frequencies.
These terminals are line level outputs for connecting with the
amplifier(s) driving subwoofer(s).
When the input signals to this unit are in normal 2-channel
stereo, these terminals output only frequencies below 150 Hz
(200 Hz for General model only) from the main and center
channels. When signals decoded with the Dolby Digital (AC-3)
are input to this unit and are selected as the input source,
these terminals output signals from the subwoofer channel.
9
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