JVC SX-DW55 User's Manual
Contents
1. gt To an AC outlet SX DW55 Your Amplifier Speaker cords not supplied Main Front Speakers not supplied Right speaker Left speaker Speaker cords not supplied INPUT 2 HIGH LEVEL RIGHT LEFT OG SY V4 OCA SD O RIGHT LEFT gt To an AC outlet SX DW55 Operations FRONT a cael es Power lamp REAR A oa POWER sO 3 LS VOLUME eee E C AUTO ON STANDBY Turning On the Power POWER A Press the ON portion of the POWER button The main power turns on and the power lamp in the front panel lights in green e The power lamp lights in red when the Auto On Standby places the unit into standby mode POWER To completely cut off the power to this unit Press the OFF EL portion of the POWER button This will disconnect the mains lead ON OFF Adjusting the Volume VOLUME Adjust the volume output level through this unit while comparing with the sounds coming out of the main front speakers e Once you have adjusted the volume output level of this unit you do not need to adjust it each time you use this unit Adjusting the volume level on the connected amplifier will also adjust the volume level through this unit VOLUME 1 Turn the VOLUME knob to the MIN position MAX MIN2. 2 Do not expose this appliance to rain or moisture E Caution POWER switch This apparatus is provided with POWER switch to minimize power consumption for safe use Therefore RA E Caution Proper Ventilation To avoid risk of electric shock and fire and to prevent damage locate the apparatus as follows 1 Front 2 Sides Top Back No obstructions and open spacing No obstructions should be placed in the areas shown by the dimensions below 3 Bottom Place on the level surface Maintain an adequate air path for ventilation by placing on a stand with a height of 10 cm or more Front View Side View Front E Precautions for installation e To prevent deformation or discoloration of the cabinet do not install the unit where it is exposed to direct sunlight or high humidity and avoid installation near air conditioning outlets 1 Before doing initial settings complete all the connections required connect the 2 Press the AUTO ON STANDBY switch to the ON HL position 3 Press out the AUTO ON STANDBY switch to set it to the CANCEL 4 When not in use set the POWER switch to OFF HL E Cautions e Do not block the ventilation openings or holes If the ventilation openings or holes e Do not place any naked flame sources such as lighted candles on the apparatus e When discarding batteries environmental problems must be considered and local e Do not
3. O 2 Turn on the connected amplifier and start playing a source Playback sounds come out of the main front speakers and this unit 3 Adjust the VOLUME knob to obtain a well balanced sound level with that of the main front speakers VOLUME MAX MIN O Caution If the volume is set at a high level before starting play the sudden blast of sound energy can permanently damage your hearing and or ruin your speakers Adjusting the Crossover Frequency CUT OFF FREQUENCY C You can adjust the crossover frequency to determine the bass sound level this unit handles e Once it is set only the sounds below the frequency come out of the built in speaker Turn the CUT OFF FREQUENCY knob to obtain the best matching crossover frequency with your main speakers Adjust the frequency 50 Hz to 200 Hz while listening to playback sound coming out of both the main speakers and this unit CUT OFF FREQUENCY 200Hz 50Hz O e If your main speakers can reproduce the bass sound well adjust the frequency at a lower level e If you feel bass sounds are not sufficient adjust the frequency at a higher level Changing the Phase PHASE D You can change the sound phase to match your preference Select either NORMAL or REVERSE to obtain a better bass sound Press in or out the PHASE button to select either the NORMAL position or the REVERSE position PHASE NORMAL om REVERSE e NORMAL Norm
4. Monaural audio cord x 1 If the item mentioned above is missing contact your dealer immediately Design and specifications subject to change without notice JVC POWERED SUBWOOFER LVT1361 007A US 2005 Victor Company of Japan Limited SX DW55 INSTRUCTIONS Thank you for purchasing a JVC speaker Before you begin using it please read the instructions carefully to be sure you get the best possible performance If you have any questions consult your JVC dealer 0705NSMSANHCE EN Warnings Cautions and Others E Caution 21kg To reduce the risk of electrical shocks fire etc 1 Do not remove screws covers or cabinet 2 Do not expose this appliance to rain or moisture E Caution POWER switch This apparatus is provided with POWER switch to minimize power consumption for safe use Therefore 1 Before doing initial settings complete all the connections required connect the mains plug into the wall outlet then set the POWER switch to ON J The power lamp lights in green or red 2 Press the AUTO ON STANDBY switch to the ON JL position e If no sound comes in for a few minutes the unit enters standby mode The power lamp lights in red e If the unit detects incoming signals the unit starts operating The power lamp lights in green 3 Press out the AUTO ON STANDBY switch to set it to the CANCEL position The power lamp lights in green 4 When not
5. audio cord x 1 AC plug adaptor x 1 If the item mentioned above is missing contact your dealer immediately Design and specifications subject to change without notice
6. the MIN position Turn the VOLUME knob until a suitable volume is found Connections are incorrect or loose Check the connections If incorrect redo the corrections Audio signals through the amplifier are extremely weak Increase the volume level on the amplifier Sounds fluctuate suddenly become loud or soft The built in protective circuit is working Lower the volume level on the amplifier so that the symptom will not occur Suddenly no sound comes out the power lamp lights in red level The VOLUME knob on the rear is set to a very high Turn down the volume then turn off and on this unit Suddenly no sound comes out the power lamp still lights in green Specifications Type Speaker unit Frequency range Input impedance Input terminals Power requirements Output power of built in amp Power consumption Dimensions Mass Accessories The volume of the playback source is too high Turn down the volume of the playback source turn off and on the source then adjust the volume properly on the source Powered Subwoofer Bass reflex type magnetically shielded type 25 0 cm cone x 1 25 Hz to 200 Hz 50 KQ LOW LEVEL 470 Q HIGH LEVEL INPUT 1 LOW LEVEL INPUT 2 HIGH LEVEL AC 110 V 127 V 220 V 240 V adjustable with the voltage selector 50 60 Hz 300 W 50 Hz 4 Q 10 THD 75W W HI D 254 x 481 x 430 5 mm 18 kg Monaural
7. too short to reach a power point then obtain an appropriate safety approved extension lead or consult your dealer BE SURE to replace the fuse only with an identical approved type as originally fitted If nonetheless the mains plug is cut off ensure to remove the fuse and dispose of the plug immediately to avoid a possible shock hazard by inadvertent connection to the mains supply If this product is not supplied fitted with a mains plug then follow the instructions given below IMPORTANT DO NOT make any connection to the terminal which is marked with the letter E or by the safety earth symbol or colored green or green and yellow The wires in the mains lead on this product are colored in accordance with the following code Neutral Live Blue Brown As these colors may not correspond with the colored markings identifying the terminals in your plug proceed as follows The wire which is colored blue must be connected to the terminal which is marked with the letter N or colored black The wire which is colored brown must be connected to the terminal which is marked with the letter L or colored red IF IN DOUBT CONSULT A COMPETENT ELECTRICIAN Warnings Cautions and Others E Caution To avoid personal injury or accidentally dropping the unit have two persons unpack carry and install the unit 21kg To reduce the risk of electrical shocks fire etc 1 Do not remove screws covers or cabinet
8. your mains AC line voltage corresponds with the position of the voltage selector switch provided on the outside of this equipment and if different reset the voltage selector switch to prevent from a damage or risk of fire electric shock VOLTAGE SELECTOR Setting the VOLTAGE SELECTOR switch To avoid damaging the powered subwoofer set the VOLTAGE SELECTOR switch to the voltage of your area CAUTION DO NOT plug the power cord of the powered subwoofer before setting the VOLTAGE SELECTOR switch to the correct voltage E Precautions for installation e To prevent deformation or discoloration of the cabinet do not install the unit where it is exposed to direct sunlight or high humidity and avoid installation near air conditioning outlets Speaker vibrations may cause howling Place the unit as far away from the player as possible Take the occurrence of earthquakes or other physical shocks into consideration when selecting the installation place and secure the unit thoroughly Tuner reception may become noisy or hissing if this unit is installed nearby the tuner In this case leave a more distance between the tuner and this unit or use an outdoor antenna for better tuner reception without interference from this unit The unit is magnetically shielded to avoid color distortions on TVs However if not installed properly it may cause color distortions So pay attention to the following when installing the unit When placing thi
9. If the unit detects incoming signals the unit starts operating The power lamp lights in green position The power lamp lights in green This disconnects the main line are blocked by a newspaper or cloth etc the heat may not be able to get out rules or laws governing the disposal of these batteries must be followed strictly objects filled with liquids such as vases shall be placed on the apparatus Connections Make all connections before plugging in this unit Checking Your Amplifier Before connecting this unit to your amplifier or receiver check what types of connecting terminals your amplifier has Follow the instructions below to find a proper connection method for your equipment e Illustrations of jacks and terminals in this manual may be different from the ones actually used for your amplifier The illustrations are of the most used type First check whether your amplifier has a subwoofer output jack It is usually named and printed as the SUBWOOFER OUT or SUBWOOFER CAUTION Before connecting this unit to the amplifier or receiver observe the following carefully e Turn off the amplifier DO NOT use the INPUT 1 LOW LEVEL and INPUT 2 HIGH LEVEL terminals on the rear of this unit at the same time otherwise noise will be heard and may damage the unit DO NOT connect this unit to the REC OUT jacks of your amplifier Next check whether your amplifier has
10. JVC POWERED SUBWOOFER LVT1361 004A B 2005 Victor Company of Japan Limited SX DW55 INSTRUCTIONS Thank you for purchasing a JVC speaker Before you begin using it please read the instructions carefully to be sure you get the best possible performance If you have any questions consult your JVC dealer 0705NSMSANHCE EN SAFETY INSTRUCTIONS SOME DOS AND DON TS ON THE SAFE USE OF EQUIPMENT This equipment has been designed and manufactured to meet international safety standards but like any electrical equipment care must be taken if you are to obtain the best results and safety is to be assured Do read the operating instructions before you attempt to use the equipment Do ensure that all electrical connections including the mains plug extension leads and interconnections between pieces of equipment are properly made and in accordance with the manufacturer s instructions Switch off and withdraw the mains plug when making or changing connections Do consult your dealer if you are ever in doubt about the installation operation or safety of your equipment Do be careful with glass panels or doors on equipment DON T continue to operate the equipment if you are in any doubt about it working normally or if it is damaged in any way switch off withdraw the mains plug and consult your dealer DON T remove any fixed cover as this may expose dangerous voltages DON T leave equip
11. ally select this e REVERSE Select this when you feel the bass sound is better with this mode rather than with NORMAL Operating the Unit Automatically According to the Incoming Signals AUTO ON STANDBY E By using this function this unit automatically enters standby mode even though the POWER switch is turned ON m J Press the AUTO ON STANDBY button to the IL ON position AUTO ON STANDBY ON am CANCEL If no sound comes in for about 10 minutes the unit automatically enters standby mode The power lamp lights in red Then if the unit detects incoming signals this unit starts operating automatically the power lamp now lights in green If Auto On Standby does not work correctly see Memo below press out the AUTO ON STANDBY button to set it to the CANCEL position Auto On Standby is canceled AUTO ON STANDBY m0N am CANCEL Memo When the volume level of the amplifier is so low or the incoming signals are so weak that this unit cannot detect sounds Auto On Standby may not work correctly e This unit may enter standby mode even though signals are coming in e This unit may not start operating after entering standby mode even though signals start coming in Additional Information Speaker layout To obtain the best possible sound from your unit Place a subwoofer wherever you like since bass sound is nondirectional Normally place it in front of you Place all the ma
12. dby No sound is heard Is the VOLUME knob turned to the MIN position Turn the VOLUME knob until a suitable volume is found Connections are incorrect or loose Check the connections If incorrect redo the corrections Audio signals through the amplifier are extremely weak Increase the volume level on the amplifier Sounds fluctuate suddenly become loud or soft The built in protective circuit is working Lower the volume level on the amplifier so that the symptom will not occur Suddenly no sound comes out the power lamp lights in red level The VOLUME knob on the rear is set to a very high Turn down the volume then turn off and on this unit Suddenly no sound comes out the power lamp still lights in green Specifications Type Speaker unit Frequency range Input impedance Input terminals Power requirements Output power of built in amp Power consumption Dimensions Mass Accessories The volume of the playback source is too high Turn down the volume of the playback source turn off and on the source then adjust the volume properly on the source Powered Subwoofer Bass reflex type magnetically shielded type 25 0 cm cone x 1 25 Hz to 200 Hz 50 kQ LOW LEVEL 470 Q HIGH LEVEL INPUT 1 LOW LEVEL INPUT 2 HIGH LEVEL AC 230 V 50 Hz 240 W 50 Hz 4 Q 10 THD 60W W H D 254 x 481 x 430 5 mm 17 3 kg
13. e AUTO ON STANDBY button to set it to the CANCEL position Auto On Standby is canceled AUTO ON STANDBY m0N CANCEL Memo When the volume level of the amplifier is so low or the incoming signals are so weak that this unit cannot detect sounds Auto On Standby may not work correctly e This unit may enter standby mode even though signals are coming in e This unit may not start operating after entering standby mode even though signals start coming in MTOW PHASE STANDBY jam CGA ae rr PUT 2 E VOLE X C CUT O FREQUE Additional Information You can adjust the crossover frequency to determine the bass sound level this unit handles e Once it is set only the sounds below the frequency come out of the built in speaker Turn the CUT OFF FREQUENCY knob to obtain the best matching crossover frequency with your main speakers Adjust the frequency 50 Hz to 200 Hz while listening to playback sound coming out of both the main speakers and this unit CUT OFF FREQUENCY 200Hz 50Hz O e If your main speakers can reproduce the bass sound well adjust the frequency at a lower level If you feel bass sounds are not sufficient adjust the frequency at a higher level Speaker layout To obtain the best possible sound from your unit Place a subwoofer wherever you like since bass sound is nondirectional Normally place
14. expose this apparatus to rain moisture dripping or splashing and that no Speaker vibrations may cause howling Place the unit as far away from the player as possible Take the occurrence of earthquakes or other physical shocks into consideration when selecting the installation place and secure the unit thoroughly Tuner reception may become noisy or hissing if this unit is installed nearby the tuner In this case leave a more distance between the tuner and this unit or use an outdoor antenna for better tuner reception without interference from this unit The unit is magnetically shielded to avoid color distortions on TVs However if not installed properly it may cause color distortions So pay attention to the following when installing the unit When placing this unit near a TV set turn off the TV s main power switch or unplug it before installing this unit Then wait at least 30 minutes before turning on the TV s main power switch again Some TVs may still be affected even though you have followed the above If this happens move this unit away from the TV When the TV screen shakes move this unit away from the TV to find a position where the screen doesn t shake and then set the unit there mains plug into the wall outlet then set the POWER switch to ON The power lamp lights in green or red e If no sound comes in for a few minutes the unit enters standby mode The power lamp lights in red e
15. in speakers at the same distance from the listening position Be sure to place the powered subwoofer to the TV s right If you place the powered subwoofer to the TV s left keep sufficient distance between them to prevent the TV from appearing mottled Center speaker Front left g Front right speaker o 7 A speaker ye i Powered 2 subwoofer Surround left Surround right speaker ir pee speaker E Precautions for Daily Use e To maintain the appearance of the unit Wipe with a dry soft cloth if the cabinet or control panel should become dirty If very dirty apply a small amount of water or neutral detergent to the cloth and wipe clean Then wipe with a dry cloth e To improve the sound field If the speakers are facing a solid wall or glass door etc it is recommended to furnish the wall with materials that absorb sounds for example by hanging up thick curtains to prevent reflections and standing waves Troubleshooting Use this chart to help you solve daily operational problems If there is any problem you cannot solve contact your dealer Symptom Power does not come on Is the unit plugged in Possible Cause Action Plug the AC power cord firmly into the AC outlet Auto On Standby does not function correctly Signals are too weak or volume level is too low This is not a malfunction If this happens cancel Auto On Standby No sound is heard Is the VOLUME knob turned to
16. in use set the POWER switch to OFF J This disconnects the main line E Cautions e Do not block the ventilation openings or holes If the ventilation openings or holes are blocked by a newspaper or cloth etc the heat may not be able to get out Do not place any naked flame sources such as lighted candles on the apparatus e When discarding batteries environmental problems must be considered and local rules or laws governing the disposal of these batteries must be followed strictly Do not expose this apparatus to rain moisture dripping or splashing and that no objects filled with liquids such as vases shall be placed on the apparatus E Caution Proper Ventilation To avoid risk of electric shock and fire and to prevent damage locate the apparatus as follows e o To avoid personal injury or accidentally dropping the unit have 3 Bottom two persons unpack carry and install the unit N fa l more 1 Front No obstructions and open spacing Sides Top Back No obstructions should be placed in the areas shown by the dimensions below Place on the level surface Maintain an adequate air path for ventilation by placing on a stand with a height of 10 cm or Front View Side View 20 cm E MAINS AC LINE INSTRUCTION not applicable for Europe U S A Canada Australia and U K IMPORTANT for mains AC line BEFORE PLUGGING IN do check that
17. is unit to the REC OUT jacks of your amplifier Next check whether your amplifier has line output jacks They are usually named and printed as LINE OUT or LINE OUTPUT If you find them on your amplifier follow Connecting Method B find any E Connecting Method A If you cannot find any E Connecting Method B If you cannot Follow Connecting Method C This connection can be used for two amplifiers by connecting the front speaker terminals of the amplifier usually named and printed as FRONT SPEAKERS or MAIN SPEAKERS FRONT SPEAKERS E Connecting Method C Preparation Use the supplied monaural audio cord Preparation Purchase a stereo audio cord at an audio shop or electric shop Preparation Purchase speaker cords at an audio shop or electric shop If your amplifier has only a monaural line output MONO jack connect it to the MONDO jack of the INPUT 1 LOW LEVEL terminal Main Front Speakers not supplied Your Amplifier Monaural audio cord supplied gt To an AC outlet SX DW55 You can connect two or more subwoofer as desired with this terminal Main Front Speakers not supplied Your Amplifier a ee Stereo audio cord not supplied LO LOW LEVEL
18. it in front of you Place all the main speakers at the same distance from the listening position Be sure to place the powered subwoofer to the TV s right If you place the powered subwoofer to the TV s left keep sufficient distance between them to prevent the TV from appearing mottled Center speaker Front left Fl S Front right speaker I E i speaker n Powered x subwoofer amp a Surround right speaker Surround left gt _ speaker Ssa Sek E Precautions for Daily Use To maintain the appearance of the unit Wipe with a dry soft cloth if the cabinet or control panel should become dirty If very dirty apply a small amount of water or neutral detergent to the cloth and wipe clean Then wipe with a dry cloth To improve the sound field If the speakers are facing a solid wall or glass door etc it is recommended to furnish the wall with materials that absorb sounds for example by hanging up thick curtains to prevent reflections and standing waves Troubleshooting Use this chart to help you solve daily operational problems If there is any problem you cannot solve contact your dealer Action Possible Cause Symptom Power does not come on Is the unit plugged in Plug the AC power cord firmly into the AC outlet Auto On Standby does not function correctly Signals are too weak or volume level is too low This is not a malfunction If this happens cancel Auto On Stan
19. line output jacks They are usually named and printed as LINE OUT or LINE OUTPUT Follow Connecting Method c This connection can be used for two amplifiers by connecting the front speaker If you find it on your amplifier follow Connecting Method A terminals of the amplifier usually named and printed as FRONT SPEAKERS or MAIN SPEAKERS If you find them on your amplifier follow Connecting Method B If you cannot find any E Connecting Method A FRONT SPEAKERS in If you cannot find any E Connecting Method c E Connecting Method B Preparation Use the supplied monaural audio cord Preparation Purchase speaker cords at an audio shop or electric shop Preparation Purchase a stereo audio cord at an audio shop or electric shop If your amplifier has only a monaural line output MONO jack connect it to the MONDO jack of the INPUT 1 LOW LEVEL terminal Main Front Speakers not supplied Your Amplifier eee Monaural audio cord supplied RIGHT LEFT ees INPUT 1 OVO LOW LEVEL 9 MONO LOW LEVEL 66 OUT a mooo gt To an AC outlet SX DW55 Memo You can connect two or more subwoofer as desired with this terminal Main Front Speakers no
20. ment switched on when it is unattended unless it is specifically stated that it is designed for unattended operation or has a standby mode Switch off using the switch on the equipment and make sure that your family know how to do this Special arrangements may need to be made for infirm of handicapped people DON T use equipment such as personal stereos or radios so that you are distracted from the requirements of traffic safety It is illegal to watch television whilst driving DON T listen to headphones at high volume as such use can permanently damage your hearing DON T obstruct the ventilation of the equipment for example with curtains or soft furnishing Overheating will cause damage and shorten the life of the equipment DON T use makeshift stands and NEVER fix legs with wood screws to ensure complete safety always fit the manufacturer s approved stand or legs with the fixings provided according to the instructions DON T allow electrical equipment to be exposed to rain or moisture ABOVE ALL NEVER let anyone especially children push anything into holes slots or any other opening in the case this could result in a fatal electrical shock NEVER guess or take chances with electrical equipment of any kind it is better to be safe than sorry IMPORTANT for the U K DO NOT cut off the mains plug from this equipment If the plug fitted is not suitable for the power points in your home or the cable is
21. ront speakers and this unit 3 Adjust the VOLUME knob to obtain a well balanced sound level with that of the main front speakers VOLUME MAX MIN O Caution If the volume is set at a high level before starting play the sudden blast of sound energy can permanently damage your hearing and or ruin your speakers Adjusting the Crossover Frequency CUT OFF FREQUENCY C Changing the Phase PHASE D You can change the sound phase to match your preference Select either NORMAL or REVERSE to obtain a better bass sound Press in or out the PHASE button to select either the NORMAL position or the REVERSE position PHASE NORMAL am REVERSE e NORMAL Normally select this e REVERSE Select this when you feel the bass sound is better with this mode rather than with NORMAL Operating the Unit Automatically According to the Incoming Signals AUTO ON STANDBY E By using this function this unit automatically enters standby mode even though the POWER switch is turned ON m Press the AUTO ON STANDBY button to the ZL ON position AUTO ON STANDBY am ON am CANCEL e If no sound comes in for about 10 minutes the unit automatically enters standby mode The power lamp lights in red Then if the unit detects incoming signals this unit starts operating automatically the power lamp now lights in green If Auto On Standby does not work correctly see Memo below press out th
22. s unit near a TV set turn off the TV s main power switch or unplug it before installing this unit Then wait at least 30 minutes before turning on the TV s main power switch again Some TVs may still be affected even though you have followed the above If this happens move this unit away from the TV When the TV screen shakes move this unit away from the TV to find a position where the screen doesn t shake and then set the unit there Connections Make all connections before plugging in this unit Checking Your Amplifier Before connecting this unit to your amplifier or receiver check what types of connecting terminals your amplifier has Follow the instructions below to find a proper connection method for your equipment e Illustrations of jacks and terminals in this manual may be different from the ones actually used for your amplifier The illustrations are of the most used type First check whether your amplifier has a subwoofer output jack It is usually named and printed as the SUBWOOFER OUT or SUBWOOFER If you find it on your amplifier follow Connecting Method A CAUTION Before connecting this unit to the amplifier or receiver observe the following carefully e Turn off the amplifier DO NOT use the INPUT 1 LOW LEVEL and INPUT 2 HIGH LEVEL terminals on the rear of this unit at the same time otherwise noise will be heard and may damage the unit DO NOT connect th
23. t supplied LINE OUT Your Amplifier Speaker cords not supplied Main Front Speakers Your Amplifier not supplied Stereo audio cord not supplied Right speaker Left speaker Speaker cords not supplied INPUT 2 HIGH LEVEL RIGHT LEFT QOQ OQA OQA gt To an AC outlet Operations FRONT a Power lamp REAR Turning On the Power POWER A Press the ON portion of the POWER button The main power turns on and the power lamp in the front panel lights in green e The power lamp lights in red when the Auto On Standby places the unit into standby mode POWER ON m OFF To completely cut off the power to this unit Press the OFF EL portion of the POWER button This will disconnect the mains lead Adjusting the Volume VOLUME Adjust the volume output level through this unit while comparing with the sounds coming out of the main front speakers e Once you have adjusted the volume output level of this unit you do not need to adjust it each time you use this unit Adjusting the volume level on the connected amplifier will also adjust the volume level through this unit VOLUME 1 Turn the VOLUME knob to the MIN position MAX MIN O 2 Turn on the connected amplifier and start playing a source Playback sounds come out of the main f
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