ONKYO SKW-204 subwoofer
Contents
1. SKW204_En Page 1 Monday March 20 2006 9 22 AM ONKYO 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 on Contents Getting Started Important Safety Instructions 2 Precautions cccceeesseeeeeeeeeeee 3 Supplied Accessories 4 Installing amp Using COSE E ea eerscerss 5 Connections cccsseecesseeeeseeees 6 Subwoofer effects ccseeeeeeee 6 Adjustment ssscseceseesseeeeseeees 7 Placement orses eeaeee seseeeettceemes 7 Appendix Troubleshooting Specifications z e SKW204_En Page2 Monday March 20 2006 9 22 AM WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS WARNING J AVIS RISK OF ELECTRIC SHOCK ff RISQUE DE CHOC ELECTRIQUE DO NOT OPEN NE PAS OUVRIR TO RAIN OR MOISTURE The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the C AUTION AN presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient TO REDUCE THE RISK OF ELECTRIC SHOCK2. Specifications Type Bass reflex with built in power amplifier Input sensitivity impedance 140 mV 20 KQ Frequency response 25 200 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 x H x D 10 13 16 x 18 5 8 x 16 7 8 275 x 473 x 428 mm Weight 26 0 Ibs 11 8 kg Accessory Pin connector cable 1 pc Power plug adapter 1 pc only supplied in certain countries Instruction manual this manual Others Auto standby Specifications and appearance are subject to change without prior notice ONKYO CORPORATION Sales amp 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 ONKYO UNITED KINGDOM Tel 44 0 1494 681515 Fax 44 0 1494 680452 ONEPAGE ONKYO CHINA LIMITED http www onkyo com Units 2102 2107 Metroplaza Tower
3. DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER magnitude to constitute a risk of electric shock to persons SERVICING PERSONNEL TO QUALIFIED SERVICE VAN 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 Important Safety Instructions UDA AUN e 10 Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radia tors heat registers stoves or other apparatus including amplifiers that produce heat 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 fit into your outlet consult an electrician for replacement of the obsolete outlet 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 15 16
4. 17 Batteries When a cart is used use cau e Always consider the environmental issues and fol tion when moving the cart low local regulations when disposing of batteries apparatus combination to wis 18 If aen ae A If you install the apparatus in a built in installation avoid injury from tip over 89125A such as a bookcase or rack ensure that there is ade 13 Unplug this apparatus during lightning storms or quate ventilation when unused for long periods of time Leave 20 cm 8 of free space at the top and sides 14 Refer all servicing to qualified service personnel and 10 cm 4 at the rear The rear edge of the shelf 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 e or board above the apparatus shall be set 10 cm 4 away from the rear panel or wall creating a flue like gap for warm air to escape mal MP EN SKW204_En Page 3 Monday March 20 2006 9 22 AM 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 mil
5. P MIB Zs SKW204_En Page 4 Monday March 20 2006 9 22 AM Precautions Continued Supplied Accessories 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 humidifier 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 e Subwoofer should only be placed on sturdy flat 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 e Subwoofer is designed to be used in the upright verti cal position only Do not use it in the horizontal or tilted position e Ifthe 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 unit s out put level Pin connector cable 10 ft 3 m e Power plug adapter Only supplied in certain countries Use this adapter if your AC outlet does not match with the plug on the AV Receiver s power cord Adapter varies from country to country WS I4 Tn catalogs and on packaging the letter added to the end of the product name indicates the color of the SKW
6. 204 Specifications and operation are the same regardless of color o MP EN SKW204_En Page 5 Monday March 20 2006 9 22 AM Controls FRONT VIEW signal is input for a while REAR PANEL North American Model FREGUENCY on FA Power C ourpur LeveL LINE INPUT s To AC outlet 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 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 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 SK W 204 however the REV position may result in better sound Select the switch position that produces a louder bass sound 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 The SKW 204 automatically returns to Standby mode when no signal has been input O
7. 223 Hing Fong Road Kwai Chung N T HONG KONG Tel 852 2429 3118 Fax 852 2428 9039 http www ch onkyo com 10603 1 C Copyright 2006 ONKYO CORPO ION Japan All rights reserved
8. Damage Requiring Service Unplug the apparatus from the wall outlet and refer servicing to qualified 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 qualified 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 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 fire or electric shock 11 Only use attachments accessories specified by the The apparatus shall not be exposed to dripping or manufacturer splashing and no objects filled with liquids such as 12 Use only with the cart stand PORTABLE CART WARNING vases shall be placed on the apparatus tripod bracket or table spec Don t put candles or other burning objects on top of ified by the manufacturer or this unit sold with the apparatus
9. d deter gent and water Dry the unit immediately afterwards with a clean cloth Don t use abrasive cloths thin ners alcohol or other chemical solvents because they may damage the finish 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 unit s 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 Mod le pour les Canadien Sur les mod les dont la fiche est polaris e ATTENTION POUR EVITER LES CHOCS ELEC TRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE SPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND For British models Replacement and mounting of an AC plug on the power su
10. e However if the sub woofer s reproduction bandwidth or sound output level is improperly adjusted the overall performance may decrease as shown in the graphs below When the subwoofer s reproduction bandwidth is correct Overall characteristics ye Speaker characteristics Subwoofer characteristics When the subwoofer s output level is incorrect Output level is too high Output level is too low When the subwoofer s reproduction bandwidth is far from the speaker s bandwidth Curve is sunken When the subwoofer s reproduction bandwidth is close to the speaker s bandwidth Curve is raised o mal SKW204_En Page 7 Monday March 20 2006 9 22 AM Adjustments Troubleshooting Crossover frequency and output level e Adjust the SKW 204 output level and crossover fre quency to suit your listening room and connected speakers e 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 amplifier may generat
11. e excessive noise that may result in damage When using switches at the amplifier first 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 Alaa Corner ley 1 3 room length 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 e Pin connector cable is not properly connected to the LINE INPUT jack The speaker setting at the amplifier or receiver is incorrect Check the settings at the amplifier or receiver The input signal is so small that the unit entered Standby mode gt Slightly increase the output level at the amplifier 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 e Pin connector plug is not inserted completely Fully insert the pin connector plug External leakage flux induction noise by TV etc occurs Relocate the SKW 204 away from the noise source and re connect mal Se l gt SKW204_En Page 8 Monday March 20 2006 9 22 AM
12. pply cord of this unit should be performed only by qualified 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 fitted with an appropriate fuse If the fuse needs to be replaced the replacement fuse must approved by ASTA or BSI to BS 1362 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 cord s plug is not suitable for your socket outlets cut it off and fit a suitable plug Fit a suitable fuse in the plug For European Models We ONKYO EUROPE ELECTRONICS GmbH Declaration of Conformity LIEGNITZERSTRASSE 6 82194 GROEBENZELL GERMANY C declare in own responsibility that the ONKYO product described in this instruction manual is in compliance with the corresponding technical standards such as EN6006S EN55013 EN55020 and EN61000 3 2 3 3 GROEBENZELL GERMANY K MIYAGI ONKYO EUROPE ELECTRONICS GmbH
13. ther Models Only some models VOLTAGE SELECTOR FREQUENCY OUTPUT LEVEL LINE INPUT B To AC outlet OUTPUT LEVEL knob Use this knob to adjust the volume of the sub woofer LINE INPUT jack Connect this jack to the SUBWOOFER PREOUT jacks on the amplifier etc 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 e P MP EN SKW204_En Page 6 Monday March 20 2006 9 22 AM Connections Subwoofer effects 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 Using the SKW 204 with an AV amplifier When using the SKW 204 in conjunction with an AV amplifier or receiver that features surround capability connect the SKW 204 LINE INPUT to SUBWOOFER PREOUT jack using the supplied pin connector cable SUBWOOFER PREOUT Supplied SKW 204 a gt L ine wear J Adding a subwoofer to your speaker system expands the bandwidth of the bass rang
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