S-W1EX
Location: rear of the unit
IMPORTANT
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user 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.
CAUTION:
TO PREVENT THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
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WARNING
To prevent a fire hazard, do not place any naked flame sources (such as a lighted candle) on the equipment.
WARNING
This equipment is not waterproof. To prevent a fire or shock hazard, do not place any container filled with liquid near this equipment (such as a vase or flower pot) or expose it to dripping, splashing, rain or moisture.
VENTILATION CAUTION
When installing this unit, make sure to leave space around the unit for ventilation to improve heat radiation (at least 25 cm at top, 15 cm at rear, and 10 cm at each side).
WARNING
Slots and openings in the cabinet are provided for ventilation to ensure reliable operation of the product, and to protect it from overheating. To prevent fire hazard, the openings should never be blocked or covered with items (such as newspapers, table-cloths, curtains) or by operating the equipment on thick carpet or a bed.
Operating Environment
Operating environment temperature and humidity: +5 ºC – +35 ºC (+41 ºF – +95 ºF); less than 85 %RH (cooling vents not blocked)
Do not install this unit in a poorly ventilated area, or in locations exposed to high humidity or direct sunlight (or strong artificial light)
POWER-CORD CAUTION
Handle the power cord by the plug. Do not pull out the plug by tugging the cord and never touch the power cord when your hands are wet as this could cause a short circuit or electric shock. Do not place the unit, a piece of furniture, etc., on the power cord, or pinch the cord. Never make a knot in the cord or tie it with other cords. The power cords should be routed such that they are not likely to be stepped on. A damaged power cord can cause a fire or give you an electrical shock. Check the power cord once in a while. When you find it damaged, ask your nearest PIONEER authorized service center or your dealer for a replacement.
If the AC plug of this unit does not match the AC outlet you want to use, the plug must be removed and appropriate one fitted. Replacement and mounting of an AC plug on the power supply cord of this unit should be performed only by qualified service personnel. If connected to an AC outlet, the cut-off plug can cause severe electrical shock. Make sure it is properly disposed of after removal.
The equipment should be disconnected by removing the mains plug from the wall socket when left unused for a long period of time (for example, when on vacation).
CAUTION
The POWER switch on this unit will not completely shut off all power from the AC outlet. Since the power cord serves as the main disconnect device for the unit, you will need to unplug it from the AC outlet to shut down all power. Therefore, make sure the unit has been installed so that the power cord can be easily unplugged from the AC outlet in case of an accident. To avoid fire hazard, the power cord should also be unplugged from the AC outlet when left unused for a long period of time (for example, when on vacation).
CONTENTS
ACCESSORY ITEMS ........................... |
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FEATURES ......................................... |
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IN COMBINATION WITH SPEAKERS |
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INSTALLATION .................................. |
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Speaker Installation ........................... |
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Installation Precautions .................... |
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PANEL FACILITIES ............................. |
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FRONT PANEL ................................... |
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REAR PANEL ..................................... |
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CONNECTIONS .................................. |
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LINE LEVEL CONNECTION ( ) ........ |
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SPEAKER LEVEL CONNECTION ( |
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Connecting the signal ground |
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terminal ............................................ |
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OPERATION ...................................... |
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TROUBLESHOOTING ......................... |
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SPECIFICATIONS ................................ |
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ACCESSORY ITEMS
Spikes x 4
Bases x 4
RCA plug cord x 1
Power cable x 1
Ground cord x 1
Operating instructions x 1
FEATURES
7250W (RMS) power with D class amplifier that serves audio and video software playback such as Dolby* Digital with a wide dynamic range.
7Equipped with 30 cm driver
7Turnover frequency can be continuous (50 – 150Hz, & Bypass).
7Equipped with Bass Mode selector (Music/Cinema mode).
72 systems consisting of an input that connects to the amplifier's speaker terminals and an input that connects to the SUBWOOFER PRE-OUT terminal.
* Maunfactured under license from Dolby Laboratories. ”Dolby” and the double-D symbol are trademarks of Dolby Laboratories.
IN COMBINATION WITH SPEAKERS
The frequency characteristics of the S-W1EX combined with small-size speakers are shown below. As shown in these figures, the low frequency range is improved.
•These special characteristics are obtained in an echoless chamber. The effect of an additional S- W1EX in an ordinary listening room is better than the chart indicates when positioned adequately.
Small-size speakers + S-W1EX
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FREQUENCY (Hz) |
•With playback of Dolby* Digital, establishment of a special channel for the subwoofer is recommended; and with playback of LFE (Low Frequency Effect: sound effect like the rumbling of the earth, whose purpose is to intensify the force of the video), the S- W1EX is especially effective.
Dolby* Digital
Dolby Digital is the name of the Dolby Surround multichannel digital system that was developed from Dolby Surround, as a continuation of Dolby Pro Logic Surround.
Dolby Digital is also referred to as a 5.1 channel system. This is because it has 5 channels in the 20Hz – 20kHz frequency range (front left and right, center, and rear left and right) and an independent channel for the subwoofer. The subwoofer channel is also referred to as LFE (Low Frequency Effect).
The LFE channel is used according to individual tastes to enhance the bass effect.
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INSTALLATION
Before using this subwoofer, screw the 4 provided decoupling spikes. If desired (especially with polished wood floors), you can amploy the 4 provided metal bases between the decoupling spikes and the floor.
Speaker Installation
• Subwoofer Installation Criteria (Å) 1 Left speaker
2 Right speaker
3 Recommended installation range for the subwoofer
4 Listening position
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The subwoofer plays back the bass in monaural, making use of the fact that the human ear is not very sensitive to the direction of low-pitched sound. Because of this, the subwoofer can be installed almost anywhere. If it is installed too far away, however, the sound from the other speakers may become unnatural.
• An example of speaker positioning (ı)
1 Front left speaker
2 Center speaker
3 Front right speaker
4 Subwoofer
5 Listening area
6 Rear left speaker
7 Rear right speaker
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•To avoid interference with the picture on a nearby TV set, use magnetically shielded speaker systems. This is particularly important for the center speaker since it is usually located closest to the TV.
•Position the left and right channel speakers at equal distances from the TV set and approximately 1.8 meters from each other.
•Install the center speaker above or below the TV so that the sound of the center channel is localized at the TV screen.
•The rear (surround) speakers are most effective when installed in parallel locations directly to the side, or slightly behind, the listener, at a level about 1 meter above the listener's ears.
CAUTION:
When installing the center speaker on top of the TV, be sure to secure it with tape or some other suitable means.
Otherwise, the speaker may fall from the TV due to external shocks such as earthquakes, and it may lead to endangering those nearby or damaging the speaker.
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Installation Precautions
•Install the unit in a well-ventilated location where it will not be exposed to high temperatures and high humidity.
•Do not place the unit near stoves or other heating equipment or at locations exposed to direct sunlight, as these can have an adverse effect on the cabinet and internal components. Also, do not install the unit where there is too much dust or high humidity, as these can cause malfunctioning or breakdowns. (Avoid cooking tables and other locations where the unit would be exposed to heat, steam and soot.)
•Do not place heavy objects such as a television or TV monitor on top of the unit.
•Keep the unit away from devices such as cassette decks which are sensitive to magnetic fields.
This speaker system is magnetically shielded. However, depending on the installation location, color distortion may occur if the speaker system is installed extremely close to the screen of a television set.
If this happens, turn off the power switch of the television set, and turn it on after 15 to 30 minutes. If the problem persists, place the speaker system away from the television set.
•Please install this unit away from the antenna cable of the tuner, as noise can be caused with installation close to the antenna cable. In such a case, use this unit at a position away from the antenna and the antenna cable, or when playback of extra bass is not
required, switch off the power for this unit.
MAINTENANCE OF EXTERNAL SURFACES
•Use a polishing cloth or dry cloth to wipe off dust and dirt.
•When the surfaces are very dirty, wipe with a soft cloth dipped in some neutral cleanser diluted five or six times with water, and wrung out well, and then wipe again with a dry cloth. Do not use furniture wax or cleaners.
•Never use thinners, benzine, insecticide sprays and other chemicals on or near this unit, since these will corrode the surfaces.
PANEL FACILITIES
FRONT PANEL
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Open the door.
1 Power switch (POWER)
When pressed, power is turned ON; when pressed again, power is turned OFF.
2 Power Indicator (ON)
Illuminates when the power is on.
3Bass mode switch (BASS MODE)
—MUSIC: The characteristic frequencies become flat. Recommended for music sources.
_ CINEMA: Low frequencies are emphasized. Recommended for sources that require strong bass.
4 Crossover knob (CROSSOVER) & Bypass switch (BYPASS)
When using the subwoofer, set the upper frequency limit for the subwoofer (50–150Hz) so that it complemets the output from your other speakers. When using the bass managment features of an AV receiver, set to BYPASS in order to use the low-pass filter of the AV receiver for high quality sound.
• Setting Criteria
50Hz .......when the diameter of the left/right speakers is 20-cm or more.
100Hz .....when the diameter of the left/right speakers is 10 – 25-cm.
150Hz .....when the diameter of the left/right speakers is 12-cm or less.
* When set to BYPASS, the audio signal is CROSSOVER routed directly to the woofer unit, 
bypassing the amplifier's filter.
BYPASS |
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5 Volume knob (VOLUME)
Sets the subwoofer volume.
•Turn the knob slowly from the MIN position.
•With this unit, the bass level can be independently set, so do not turn up the bass on the stereo or AV amplifier.
S-W1EX Music mode Frequency response
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level |
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pressure |
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(Crossover 150Hz) |
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Frequency (Hz)
REAR PANEL
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6 Line Level Input terminal (LINE LEVEL INPUT)
Connects to the stereo amplifier’s SUBWOOFER PREOUT terminal, with the specially provided RCA plug cord.
7 Line Level Output terminal (LINE LEVEL OUTPUT)
Used for connecting other equipment through the amplifier. The signal output from this jack is not affected in any way by the settings of the various controls on the unit.
8 Phase switch (PHASE 0º |
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When set to 180º the output phase becomes the reverse of the input signal, and when set to 0º it is in the same phase as the input signal.
•Normally, the switch is set to 0º.
But when the sound connection between the subwoofer and the left and right speakers sounds unnatural, try switching to 180º
•When using two or more subwoofers together, make sure that the phase switch of all of them are set to the same position.
9 Earth terminal
See Connecting the signal ground terminal on page 8.
0Speaker Level Input terminals (SPEAKER LEVEL INPUT)
Connect to the speakers output terminals on the stereo amplifier, using speaker cords (not supplied).
- Power supply cable connector
Connect the accessory power supply cable here.
CONNECTIONS
Before making or changing any connections, switch off the power and disconnect both this unit and the amplifier/receiver from the AC outlet.
LINE LEVEL CONNECTION (Å)
S-W1EX(Rear Panel)
Supplied RCA plug cord
SUB WOOFER
PREOUT
This connection is for a stereo amplifier or receiver equipped with a SUBWOOFER PRE-OUT terminal. If the stereo amplifier or receiver is not equipped with a SUBWOOFER PRE-OUT terminal, carry out a Speaker Level connection. Connect to the LINE LEVEL INPUT terminal on this unit, using the specially provided RCA plug cord.
NOTES:
•When connected to the PRE-OUT terminal for surround center channel on the stereo amplifier or receiver, the bass is heard only on the center channel, so it will be insufficient.
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