Onkyo SKW 204 Instruction Manual PDF
Summary of Content for Onkyo SKW 204 Instruction Manual PDF
En
Powered Subwoofer
SKW-204 Instruction Manual
Thank you for purchasing an Onkyo powered subwoofer. Please read this manual thoroughly before using the unit. Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new powered subwoofer. Please retain this manual for future reference.
Contents
Getting Started Important Safety Instructions ........ 2
Precautions ..................................... 3
Supplied Accessories..................... 4
Installing & Using Controls ........................................... 5
Connections .................................... 6
Subwoofer effects ........................... 6
Adjustments .................................... 7
Placement ........................................ 7
Appendix Troubleshooting .............................. 7
Specications.................................. 8
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Important Safety Instructions
1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in
accordance with the manufacturers instructions. 8. Do not install near any heat sources such as radia-
tors, heat registers, stoves, or other apparatus (including ampliers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are pro- vided for your safety. If the provided plug does not t into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience recepta- cles, and the point where they exit from the appara- tus.
11. Only use attachments/accessories specied by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table spec- ied by the manufacturer, or sold with the apparatus. When a cart is used, use cau- tion when moving the cart/ apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15. Damage Requiring Service Unplug the apparatus from the wall outlet and refer servicing to qualied service personnel under the following conditions: A. When the power-supply cord or plug is damaged, B. If liquid has been spilled, or objects have fallen
into the apparatus, C. If the apparatus has been exposed to rain or
water, D. If the apparatus does not operate normally by
following the operating instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualied technician to restore the apparatus to its normal operation,
E. If the apparatus has been dropped or damaged in any way, and
F. When the apparatus exhibits a distinct change in performance this indicates a need for service.
16. Object and Liquid Entry Never push objects of any kind into the apparatus through openings as they may touch dangerous volt- age points or short-out parts that could result in a re or electric shock. The apparatus shall not be exposed to dripping or splashing and no objects lled with liquids, such as vases shall be placed on the apparatus. Dont put candles or other burning objects on top of this unit.
17. Batteries Always consider the environmental issues and fol- low local regulations when disposing of batteries.
18. If you install the apparatus in a built-in installation, such as a bookcase or rack, ensure that there is ade- quate ventilation. Leave 20 cm (8") of free space at the top and sides and 10 cm (4") at the rear. The rear edge of the shelf or board above the apparatus shall be set 10 cm (4") away from the rear panel or wall, creating a ue-like gap for warm air to escape.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
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.
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 products 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 the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING RISK OF ELECTRIC SHOCK
DO NOT OPEN RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
AVIS
PORTABLE CART WARNING
S3125A
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Precautions
1. AC Fuse
The AC fuse inside the unit is not user- serviceable. If you cannot turn on the unit, contact your Onkyo dealer.
2. Care
Occasionally you should dust the unit all over with a soft cloth. For stubborn stains, use a soft cloth dampened with a weak solution of mild deter- gent and water. Dry the unit immediately afterwards with a clean cloth. Dont use abrasive cloths, thin- ners, alcohol, or other chemical solvents, because they may damage the nish or remove the panel let- tering. Use a vacuum cleaner to remove dust from hard-to- reach grilles.
3. Power WARNING
BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME, READ THE FOLLOWING SEC- TION CAREFULLY. AC outlet voltages vary from country to country. Make sure that the voltage in your area meets the voltage requirements printed on the units rear panel (e.g., AC 230 V, 50 Hz or AC 120 V, 60 Hz).
The power cord plug is used to disconnect this unit from the AC power source. Make sure that the plug is readily operable (easily accessible) at all times.
Some models have a voltage selector switch for compatibility with power systems around the world. Before you plug in such a model, make sure that the voltage selector is set to the correct voltage for your area.
For Canadian Models
For models having a power cord with a polarized plug:
CAUTION:
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
Modle pour les Canadien
Sur les modles dont la che est polarise:
ATTENTION:
POUR VITER LES CHOCS LEC- TRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE- SPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND.
For British models
Replacement and mounting of an AC plug on the power supply cord of this unit should be performed only by qualied service personnel.
IMPORTANT
The wires in the 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 mark- ings 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.
IMPORTANT
The plug is tted with an appropriate fuse. If the fuse needs to be replaced, the replacement fuse must approved by ASTA or BSI to BS1362 and have the same ampere rating as that indicated on the plug. Check for the ASTA mark or the BSI mark on the body of the fuse. If the power cords plug is not suitable for your socket outlets, cut it off and t a suitable plug. Fit a suitable fuse in the plug.
For European Models
Declaration of Conformity
We, ONKYO EUROPE ELECTRONICS GmbH LIEGNITZERSTRASSE 6, 82194 GROEBENZELL, GERMANY
GROEBENZELL, GERMANY
ONKYO EUROPE ELECTRONICS GmbH K. MIYAGI
declare in own responsibility, that the ONKYO product described in this instruction manual is in compliance with the corresponding technical standards such as EN60065, EN55013, EN55020 and EN61000-3-2, -3-3.
SKW204_En Page 3 Monday, March 20, 2006 9:22 AM
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Precautions
Continued
Placement
The subwoofer cabinet is made out of wood and is therefore sensitive to extreme temperatures and humidity, do not put it in locations subject to direct sunlight or in humid places, such as near an air condi- tioner, humidier, bathroom, or kitchen.
Do not put water or other liquids close to the sub- woofer. If liquid is spilled over the subwoofer, the drive units may be damaged.
Subwoofer should only be placed on sturdy, at sur- faces that are free from vibration. Putting it on uneven or unstable surfaces, where it may fall and cause dam- age, will affect the sound quality.
Subwoofer is designed to be used in the upright verti- cal position only. Do not use it in the horizontal or tilted position.
If the subwoofer is used near a turntable, CD player or DVD player, howling or slipping of sound may occur. To prevent this, move it away from the turntable, CD player or DVD player, otherwise lower the units out- put level.
Supplied Accessories
Pin connector cable 10 ft. (3 m)
Power-plug adapter
Only supplied in certain countries. Use this adapter if your AC outlet does not match with the plug on the AV Receivers power cord. (Adapter varies from country to country.)
* In catalogs and on packaging, the letter added to the end of the product name indicates the color of the SKW-204. Specications and operation are the same regardless of color.
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Controls
FRONT VIEW
A
Standby/On indicator (STANDBY/ON)
This indicator lights up when the power switch is set to the ON position.
Red: The unit is in Standby mode Green: The unit is in Operational mode
If the power is turned on, the SKW-204 automatically enters Operational mode when a signal is input.
The SKW-204 automatically returns to Standby mode when no signal has been input for a while.
REAR PANEL
B
POWER switch
Press this switch to the ON position to turn on the power. Press it to the OFF position to turn off the power.
C
FREQUENCY knob
Use this knob to select the high-frequency range at which to cut off the signal to the subwoofer. You can select any frequency between 50 Hz and 200 Hz, depending on the characteristics of the speaker system.
D
PHASE switch
Use this switch to reverse the phase of the SKW- 204. Normally, set the switch to the NOR posi- tion. Depending on the connected speakers or the installation environment of the SKW-204 however, the REV position may result in better sound. Select the switch position that produces a louder bass sound.
E
OUTPUT LEVEL knob
Use this knob to adjust the volume of the sub- woofer.
F
LINE INPUT jack
Connect this jack to the SUBWOOFER PREOUT jacks on the amplier etc.
G
VOLTAGE SELECTOR (Only some models)
This voltage selector provides compatibility with power systems around the world.
Note:
The auto standby function engages if the input signal level is constant. If the auto standby function does not operate properly, try slightly increasing (or decreasing) the subwoofer output level of the receiver.
1
5 6
32 74
To AC outlet
(Only some models)
North American Model Other Models
To AC outlet
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Connections
For safety considerations, turn off all other system com- ponents before you connect or disconnect any compo- nent and plug the power cable for the last.
When using the SKW-204 in conjunction with an AV amplier or receiver that features surround capability, connect the SKW-204 LINE INPUT to SUBWOOFER PREOUT jack using the supplied pin connector cable.
Subwoofer effects
Adding a subwoofer to your speaker system expands the bandwidth of the bass range. However, if the sub- woofers reproduction bandwidth or sound output level is improperly adjusted, the overall performance may decrease, as shown in the graphs below.
When the subwoofers reproduction bandwidth
is correct
When the subwoofers output level is incorrect
When the subwoofers reproduction bandwidth
is far from the speakers bandwidth
When the subwoofers reproduction bandwidth
is close to the speakers bandwidth
Using the SKW-204 with an AV amplier
SKW-204
SUBWOOFER PREOUT
(Supplied)
Overall characteristics
Speaker characteristics
Subwoofer characteristics
Output level is too high
Output level is too low
Curve is sunken
Curve is raised
SKW204_En Page 6 Monday, March 20, 2006 9:22 AM
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Adjustments
Crossover frequency and output level
Adjust the SKW-204 output level and crossover fre- quency to suit your listening room and connected speakers.
Be aware that you might set the subwoofer to a high output level because superbass-range sound is less audible than other sound ranges. To obtain well-bal- anced frequency characteristics, set the output level to a slightly lower level than seems optimal. (This will also prevent the input of signals that are too strong.)
Note:
Be careful not to allow the input of excessive power. Input levels that greatly exceed normal situations can damage the SKW-204. Also note that switching opera- tions at the amplier may generate excessive noise that may result in damage. When using switches at the amplier, rst lower the volume to prevent accidental damage.
Placement
The placement of the SKW-204 can greatly affect the sound that is produced. In general, a good bass sound can be obtained by installing the subwoofer in a front corner, or at one-third the width of the wall, as shown.
Troubleshooting
The unit does not turn on
The power plug is not fully inserted.
Insert the power plug fully into the power outlet.
No sound is output
The OUTPUT LEVEL knob is set to the MIN level.
Set the OUTPUT LEVEL knob properly.
Pin connector cable is not properly connected to the LINE INPUT jack.
The speaker setting at the amplier (or receiver) is incorrect.
Check the settings at the amplier (or receiver).
The input signal is so small that the unit entered Standby mode.
Slightly increase the output level at the amplier (or receiver).
Low sound output
The sound source might not include a superbass range.
Play a sound source that includes a superbass range.
Hum noise
Pin connector plug is not inserted completely.
Fully insert the pin connector plug.
External leakage ux (induction noise by TV, etc.) occurs.
Relocate the SKW-204 away from the noise source and re-connect.
Corner
1/3 room length
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SN 29344239
I0603-1
Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8124
ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.us.onkyo.com/
ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.eu.onkyo.com/
ONKYO EUROPE UK Office Suite 1, Gregories Court, Gregories Road, Beaconsfield, Buckinghamshire, HP9 1HQ UNITED KINGDOM Tel: +44-(0)1494-681515 Fax: +44(0)-1494-680452
ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039 http://www.ch.onkyo.com/
(C) Copyright 2006 ONKYO CORPORATION Japan. All rights reserved.
http://www.onkyo.com/ HOMEPAGE
* 2 9 3 4 4 2 3 9 *
Specications
Type Bass-reex with built-in power amplier Input sensitivity/impedance 140 mV / 20 k
Frequency response 25200 Hz Maximum output power 230 W Dynamic Cabinet capacity 1.36 cubic feet (38 L) Drivers unit: 10 inch (25 cm) woofer Power supply North American: AC 120 V, 60 Hz
European: AC 230-240 V, 50 Hz Others: AC 120/220-240 V, 50/60 Hz
Power consumption North American: 140 W Others: 137 W
Dimensions (W
H
D) 10-13/16"
18-5/8"
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