Yamaha YST-RSW300 Speaker User Manual
Contents
1. YAMAHA YST RSW300 SUBWOOFER SYSTEM 13 OWNER S MANUAL IMPORTANT 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 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 APPLIANCE TO RAIN OR MOISTURE IMPORTANT space below Model Serial No unit reference Please record the serial number of this system in the The serial number is located on the rear of the main Retain this Owner s Manual in a safe place for future Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth oc AR WD Do not block any ventilation openings Install in accordance with the manufactur2. YAMAHA ELECTRONICS UK LTD YAMAHA HOUSE 200 RICKMANSWORTH ROAD WATFORD HERTS WD18 7GQ ENGLAND YAMAHA SCANDINAVIA A B J A WETTERGRENS GATA 1 BOX 30053 400 43 VASTRA FROLUNDA SWEDEN YAMAHA CORPORATION YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 MARKET ST SOUTH MELBOURNE 3205 VIC AUSTRALIA Printed in Indonesia c WK23240
3. CONNECTIONS If your amplifier has only one set of main speaker output terminals Connect the speaker output terminals of the amplifier to the INPUT1 terminals of the subwoofer and connect the OUTPUT terminals of the subwoofer to the main speakers E Using one subwoofer with speaker cables Right speaker Left speaker OUTPUT OBI l a l Subwoofer 2 Amplifier Speaker output terminals m Using two subwoofers with speaker cables Right speaker Left speaker OUTPUT OUTPUT INPUT TO SPEAKERS 2 TO SPEAKERS m O fol mono T Dard PETE Grom ampuries INPUT 1 Subwoofer Amplifier Speaker output terminals 9 En Connecting to the INPUT1 OUTPUT terminals of the subwoofer For connection keep the speaker cables as short as possible Do not bundle or roll up the excess part of the cables If the connections are faulty no sound will be heard from the subwoofer or the speakers or both of them Make sure that the and polarity markings of the speaker cables are observed and set correctly If
4. has contained developed for reproducing higher quality super bass sound refer to page 15 for details on Advanced Yamaha Active Servo Technology II This super bass sound adds a more realistic theater in the home effect to your stereo system This subwoofer can be easily added to your existing audio system by connecting to either the speaker terminals or the line output pin jack terminals of the amplifier For the effective use of the subwoofer the subwoofer s super bass sound should be matched to the sounds of your main speakers You can create the best sound quality for various listening conditions by using the HIGH CUT control and the PHASE switch The Automatic power switching function saves you the trouble of pressing the STANDB Y ON button to turn the power on and off This subwoofer system is equipped with a linear port unique to Yamaha that provides smooth bass response during playback minimizing extraneous noise not included in the original input signal Non skid pads 1 set 4 pieces 2 En jm subwoofer PLACEMENT ID main speaker One subwoofer will have a good effect on your audio system however the use of two subwoofers is recommended to obtain more effect If using one subwoofer it is recommended to place it on the outside of either the right or the left main speaker see A If using two subwoofers it is recommended to place them on the
5. outside of each main speaker see B The placement shown in C is also possible however if the subwoofer system is placed directly facing the wall the bass effect may die because the sound from it and the sound reflected by the wall may cancel out each other To prevent this from happening face the subwoofer system at an angle as in A or B Note There may be a case that you cannot obtain enough super bass sounds from the subwoofer when listening in the center of the room This is because standing waves have been developed between two parallel walls and they cancel the bass sounds In such a case face the subwoofer obliquely to the wall It also may be necessary to break up the parallel surfaces by placing bookshelves etc along the walls Use the non skid pads Put the provided non skid pads at the four corners on the bottom of the subwoofer to prevent the subwoofer from moving by vibrations etc 3 En CONTROLS AND THEIR FUNCTIONS Subwoofer rear panel INPUT AUTO PHASE 2 STANDBY OUTPUT TO SPEAKERS S z OFF LowHIGH Worm REV H Grom AMPLIFIES INPUT 1 8 SUBWOOFER SYSTEM YST RSW300 JJSL STANDBY ON HIGH CUT VOLUME U S A model 4 Subwoofer front pan
6. sure to allow spaces of at least 20 cm above behind and on both sides of the unit Do not place the following objects on the unit A vessel with water in it If the vessel falls by vibrations and water spills it may cause damage to the unit and or you may get an electric shock FCC INFORMATION for US customers 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 ot
7. 00000000 a0a0e0e0a0a0ane0e0e0ene nee 0 een RSK enananene nane 60 nean anenenenanenen 4 CONNECTIONS 1 Connecting to line output pin jack terminals of the amplifier 2 Connecting to speaker output terminals of the amplifier Connecting to the INPUTI OUTPUT terminals of the subwoofer Plug in the subwoofer to the AC outlet essent na nana nenen ananem anane ne nenen enengena nawan nenanem nenen ADJUSTING THE SUBWOOFER BEFORE USE 6000000000000000000000000000 0000000000 0000000 000000 een onen ana 0 nenen anan enenana senene 12 AUTOMATIC POWER SWITCHING FUNCTION Changing the AUTO STANDBY s ling 45 sadasa dan atag po ada a oh iieii gana napa a Ng een a nagane adah Pee hi denang FREQUENCY CHARACTERISTICS 6o0o00000000000000000 0000000000000000 0000 nane 00 000000 tatnen RAK RK ROKR KRK RSK eeen nee nnenenenanenenene 14 ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY II 660600000000000000 0000000000000000 000 e0e0 anane 00 0000000000 satu sun 15 TROUBLESHOOTING 5565654588459599 9998 909 06999 5959 59 aaa ano Na GANG BONO NGING G NG GG Ha ND aa GA NGGE NGANGKEN 16 SPECIFICATIONS T none 17 1 En FEATURES SUPPLIED ACCESSORIES This subwoofer system employs Advanced Yamaha After unpacking check that the following parts are Active Servo Technology II which Yamaha
8. HE SUBWOOFER BEFORE USE Before using the subwoofer adjust the subwoofer to obtain the optimum volume and tone balance between the subwoofer and the main speakers by following the procedures described below Subwoofer rear panel 3 U S A model NORM REV oO 7 ew Subwoofer front panel Advance 12 Ys SUBWOOFER SYSTEM YST RSW300 STANDBY ON HIGH CUT 5 6 op Set the VOLUME control to minimum 0 Turn on the power of all the other components Make sure that the POWER switch on the rear panel is set to the ON position then press the STANDBY ON switch on the front panel to turn on the subwoofer The status indicator lights up in green Play a source containing low frequency signals and adjust the amplifier s volume control to the desired listening level Adjust the HIGH CUT control to the position where the desired response can be obtained Normally set the control to the level a little higher than the main speaker s rated minimum reproducible freguency The main speaker s rated minimum reproducible frequency can be looked up in the speakers catalog or owner s manual Increase the volume gradually to adjust the volume balance between the subwoofer and the main speakers Normally set the control to the level where you can obtain a little more bass effect than when the subwoofer is not used If the desired response cannot be obtained adj
9. NECTIONS E Using one subwoofer Mono pin cable not included Subwoofer QUTPUT TO SPEAKERS A 04 Audio pin cable not included SPLIT SUBWOOFER Amplifier J 1 SUBWOOFER LOW PASS B Using two subwoofers Mono pin cable not included OUTPUT TO SPEAKERS OUTPUT INPUT TO SPEAKERS 2 B INPUT 2 Omono mono mx B i D hou AMPLIFIER INPUT 1 Mono pin cable not included Subwoofer Subwoofer SPLIT SUBWOOFER Amplifier 7 En CONNECTIONS 2 Connecting to speaker output terminals of the amplifier Select this method if your amplifier has no line output pin jack terminal For details about the connectio
10. OLS AND THEIR FUNCTIONS STANDBY ON switch Press this switch to turn on the power when the POWER switch is set in the ON position the status indicator lights up in green Press again to set the subwoofer in the standby mode the status indicator goes off Note Even while the subwoofer is in the standby mode it is still using a small amount of power Status indicator Lights up in green while the subwoofer is on Lights up in red while the subwoofer is set in the standby mode by the operation of the automatic power switching function Goes off when the subwoofer is set in the standby mode HIGH CUT control Adjusts the high freguency cut off point Freguencies higher than the freguency selected by this control are all cut off and no output One graduation of this control represents 10 Hz VOLUME control Adjusts the volume level Turn the control clockwise to increase the volume and counterclockwise to decrease the volume 5 En CONNECTIONS Choose one of the following two connecting methods that is more suitable for your audio system E Choose 1 pages 6 7 if your amplifier has line output pin jack terminal s E Choose 2 pages 8 9 if your amplifier has no line output pin jack terminal Caution Unplug the subwoofer and other audio video components before making connections Notes All connections must be correct that is to say L left to L R right to R to and t
11. VOLUME dB CICI Y u NA NORM REV 50Hz YST RSW300 70 X A REV Main speaker 50 20 50 100 200 500Hz Frequency response graph This diagram does not depict actual frequency response characteristics accurately 14 En ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY In 1988 Yamaha brought to the marketplace speaker systems utilizing YST Yamaha Active Servo Technology to give powerful high quality bass reproduction This technique uses a direct connection between the amplifier and speaker allowing accurate signal transmission and precise speaker control As this technology uses speaker units controlled by the negative impedance drive of the amplifier and resonance generated between the speaker cabinet volume and port it creates more resonant energy the air woofer concept than the standard bass reflex method This allows bass reproduction from much smaller cabinets than before Cabinet High amplitude bass sound Port Yamaha s newly developed Advanced YST II adds many refinements to Yamaha Active Servo Technology allowing better control of the forces driving the amplifier and speaker From the amplifier s point of view the speaker impedance changes depending on the sound frequency Yamaha developed a new circuit design combining negative impedance and constant current drives which provides a more s
12. ace by placing bookshelves etc along the walls The subwoofer does not turn on automatically The POWER switch is set to the OFF position Set the POWER switch to the ON position The STANDBY ON switch is set to the STANDBY position Set the STANDBY ON switch to the ON position The AUTO STANDBY switch is set to the OFF position Set the AUTO STANDBY switch to the HIGH or LOW position The level of input signal is too low Set the AUTO STANDBY switch to the HIGH position The subwoofer does not turn into the standby mode automatically There is an influence of noise generated from external appliances etc Move the subwoofer farther away from such appliances and or reposition the connected speaker cables Otherwise set the AUTO STANDBY switch to the OFF position The AUTO STANDBY switch is set to the OFF position Set the AUTO STANDBY switch to the HIGH or LOW position The subwoofer turns into the standby mode unexpectedly The level of input signal is too low Set the AUTO STANDBY switch to the HIGH position The subwoofer turns on unexpectedly There is an influence of noise generated from external appliances etc Move the subwoofer farther away from such appliances and or reposition the connected speaker cables Otherwise set the AUTO STANDBY switch to the OFF position 16 En SPECIFICATIONS Type A
13. as it might cause personal injury and or damage to this unit Never place a fragile object near the YST port of this unit If the object falls or drops by the air pressure it may cause damage to the unit and or personal injury Never open the cabinet It might cause an electric shock since this unit uses a high voltage It might also cause personal injury and or damage to this unit ili En this unit by allowing enough spaces around this unit or avoiding excess humidification Condensation might cause a fire damage to this unit and or electric shock Super bass frequencies reproduced by this unit may cause a turntable to generate a howling sound In such a case move this unit away from the turntable This unit may be damaged if certain sounds are continuously output at high volume level For example if 20 Hz 50 Hz sine waves from a test disc bass sounds from electronic instruments etc are continuously output or when the stylus of a turntable touches the surface of a disc reduce the volume level to prevent this unit from being damaged If you hear distorted noise i e unnatural intermittent rapping or hammering sounds coming from this unit reduce the volume level Extremely loud playing of a movie soundtrack s low frequency bass heavy sounds or similarly loud popular music passages can damage this speaker system Vibration generated by super bass frequencies may distort images on a TV In such a case move this unit
14. away from the TV set Do not attempt to clean this unit with chemical solvents as this might damage the finish Use a clean dry cloth Be sure to read the TROUBLESHOOTING section regarding common operating errors before concluding that the unit is faulty Install this unit near the wall outlet and where the AC power plug can be reached easily Secure placement or installation is the owner s responsibility Yamaha shall not be liable for any accident caused by improper placement or installation of speakers This unit features a magnetically shielded design but there is still a chance that placing it too close to a TV set might impair picture color Should this happen move this unit away from the TV set This unit is not disconnected from the AC power source as long as it is connected to the wall outlet even if this unit itself is turned off In this state this unit is designed to consume a very small quantity of power SPECIAL INSTRUCTIONS FOR U K MODEL IMPORTANT THE WIRES IN 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 markings 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
15. ct the power plug and the wires connected to other equipment Never pull the wires themselves When not planning to use this unit for a long period ie vacation etc disconnect the AC power plug from the wall outlet Since this unit has a built in power amplifier heat will radiate from the rear panel Place the unit apart from the walls allowing at least 20 cm of space above behind and on both sides of the unit to prevent fire or damage Furthermore do not position with the rear panel facing down on the floor or other surfaces Do not cover the rear panel of this unit with a newspaper a tablecloth a curtain etc in order not to obstruct heat radiation If the temperature inside the unit rises it may cause fire damage to the unit and or personal injury Do not place the following objects on this unit Glass china small metallic etc If glass etc falls by vibrations and breaks it may cause bodily injury A burning candle etc If the candle falls by vibrations it may cause fire and bodily injury A vessel with water in it If the vessel falls by vibrations and water spills it may cause damage to the speaker and or you may get an electric shock Do not place this unit where foreign objects such as water drips might fall It might cause a fire damage to this unit and or personal injury Never put a hand or a foreign object into the YST port located on the right side of this unit When moving this unit do not hold the port
16. dvanced Yamaha Active Servo Technology II Driver soon eee 25 cm 10 cone woofer Magnetic shielding type Output Power 250 W 100 Hz 5 Q 10 T H D Dynamic Power eee 270 W 5 2 Input Sensitivity 50 Hz 250 W 5 O L R Speaker terminal sse 1 0V RCA pin jack Input Impedance Speaker t rminal 1 2 23 eats exo 2 2 kO RCA pini Jack aee 12 kQ Frequency Response ssss 20 Hz 160 Hz Power Supply U S A and Canada models AC 120V 60 Hz U K and Europe models AC 230V 50 Hz Australia model AC 240V 50 Hz Asia and General models AN AC 110 120 220 230 240 V 50 60 Hz Korea Model AC 220V 60 Hz Power Consumption esee 80W Standby Power Consumption 0 5 W Dimensions W x H x D uper a d 8 372 mm x 400 mm x 428 mm 14 5 8 x 15 3 4 x 16 7 8 Weight cct tnos chats 20 kg 44 Ibs loz Please note that all specifications are subject to change without notice 17 En YAMAHA 2007 YAMAHA CORPORATION All rights reserved YAMAHA ELECTRONICS CORPORATION USA 6660 ORANGETHORPE AVE BUENA PARK CALIF 90620 U S A YAMAHA CANADA MUSIC LTD 135 MILNER AVE SCARBOROUGH ONTARIO MIS 3R1 CANADA YAMAHA ELECTRONIK EUROPA G m b H SIEMENSSTR 22 34 25462 RELLINGEN BEI HAMBURG GERMANY YAMAHA ELECTRONIQUE FRANCE S A RUE AMBROISE CROIZAT BP70 CROISSY BEAUBOURG 77312 MARNE LA VALLEE CEDEX02 FRANCE
17. el O POWER switch Normally set this switch to the ON position to use the subwoofer In this state you can turn on the subwoofer or turn the subwoofer into the standby mode by pressing the STANDBY ON switch o OUTPUT TO SPEAKERS terminals Can be used for connecting to the front speakers Signals from the INPUT1 terminals are sent to these terminals Refer to CONNECTIONS for details INPUT1 FROM AMPLIFIER terminals Used to connect the subwoofer with the speaker terminals of the amplifier Refer to CONNECTIONS for details INPUT terminals Used to input line level signals from the amplifier Refer to CONNECTIONS for details 4 En AUTO STANDBY OFF LOW HIGH switch This switch is originally set to the OFF position By setting this switch to the HIGH or LOW position the subwoofer s automatic power switching function operates as described on page 13 If you do not need this function leave this switch in the OFF position Note Make sure to change the setting of this switch only when the subwoofer is set in the standby mode by pressing the STANDBY ON switch PHASE NORM REV switch Normally this switch is to be set to the REV reverse position However according to your speaker systems or the listening condition there may be a case when better sound guality is obtained by setting this switch to the NORM normal position Select the better position by monitoring the sound CONTR
18. er s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers 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 provided for your safety If the provided plug does not fit 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 receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus e When a cart is used use caution when moving the cart ACY 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 qualified 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 Be
19. he power on automatically OFF Select this position to deactivate this function for example when the subwoofer switches the power on unexpectedly by sensing noises from other appliances Notes This function does not operate when the POWER switch is set to the OFF position or when you manually set the subwoofer to the standby mode by pressing the STANDBY ON switch Noise received from other appliances may extend the time period before the subwoofer places itself in the standby mode to more than 8 minutes 13 En FREQUENCY CHARACTERISTICS This subwoofer s frequency characteristics a HIGH CUT 40 Hz a HIGH CUT 90 Hz BN HIGH CUT 140 Hz 80 NG 70 N X X NA 40 20 50 100 200 500Hz The figures below show the optimum adjustment of each control and the frequency characteristics when this subwoofer is combined with a typical main speaker system B Example 1 When combined with a 4 or 5 10 cm or 13 cm acoustic suspension 2 way system main speakers HIGH CUT VOLUME dB a C PHASE E 90 p oe 4 NORM REV wl 70Hz YST RSW300 70 REV i Main N speaker 50 2 50 100 200 500Hz Freguency response graph B Example 2 When combined with an 8 or 10 20 cm or 25 cm acoustic suspension 2 way system main speakers HIGH CUT
20. her 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 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 hear
21. ing Since hearing damage from loud sounds is often undetectable until it is too late YAMAHA and the Electron ic Industries Association s Consumer Electronics Group recommend you to avoid prolonged exposure from ex cessive volume levels LISTENING For A Lifetime En ii Thank you for selecting this Yamaha subwoofer system CAUTION Read this before operating your unit Please read the following operating precautions before use When using a humidifier be sure to avoid condensation inside Yamaha will not be held responsible for any damage and or injury caused by not following the cautions below To assure the finest performance please read this manual carefully Keep it in a safe place for future reference 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 this unit to rain or water Never open the cabinet If something drops into the set contact your dealer The voltage to be used must be the same as that specified on the rear panel Using this unit with a higher voltage than specified is dangerous and may cause a fire and or electric shock To reduce the risk or fire or electric shock do not expose this unit to rain or moisture Do not use force on switches controls or connection wires When moving the unit first disconne
22. n method of the INPUT 1 OUTPUT terminals see the Connecting to the INPUTI OUTPUT terminals of the subwoofer on page 10 If your amplifier has two sets of main speaker output terminals and both terminals can output sound signals simultaneously Connect one set of main speaker output terminals of the amplifier to the INPUTI terminals of the subwoofer and connect the other set of main speaker output terminals of the amplifier to the main speakers Set the amplifier so that both sets of main speaker output terminals output sound signals simultaneously Note If your amplifier has only one set of main speaker output terminals see page 9 E Using one subwoofer with speaker cables Right speaker Subwoofer Left speaker OUTPUT TO SPEAKERS Grom AMPLIFIES INPUT 1 Amplifier Speaker output terminals m Using two subwoofers with speaker cables Speaker Left speaker output terminals Right speaker Amplifier OUTPUT TO SPEAKERS OUTPUT TO SPEAKERS Qa E s Dad Bad p DA ped 8 En
23. o Also refer to the owner s manual of your component to be connected to the subwoofer After all connections are completed plug in the subwoofer and other audio video components 1 Connecting to line output pin jack terminals of the amplifier Toconnect with a Yamaha DSP amplifier or AV receiver connect the SUBWOOFER or LOW PASS etc terminal on the rear of the DSP amplifier or AV receiver to the D MONO INPUT2 terminal of the subwoofer When connecting the subwoofer to the SPLIT SUBWOOFER terminals on the rear of the DSP amplifier be sure to connect the D MONO INPUT2 terminal to the L side and the RF INPUT2 terminal to the R side of the SPLIT SUBWOOFER terminals Notes Some amplifiers have line output terminals labeled PRE OUT When you connect the subwoofer to the PRE OUT terminals of the amplifier make sure that the amplifier has at least two sets of PRE OUT terminals If the amplifier has only one set of PRE OUT terminals do not connect the subwoofer to the PRE OUT terminals Instead connect the subwoofer to the speaker output terminals of the amplifier refer to pages 8 9 e When connecting to a monaural line output terminal of the amplifier connect the D MONO INPUT 2 terminal When connecting to line output terminals of the amplifier other speakers should not be connected to the OUTPUT terminals on the rear panel of the subwoofer If connected they will not produce sound 6 En CON
24. table performance and clear bass reproduction without any murkiness Air woofer Helmholtz resonator Advanced impedance Converter Active Servo Signals Processing Amplifier Signals of low amplitude 15 En TROUBLESHOOTING Refer to the chart below when this unit does not function properly If the problem you are experiencing is not listed below or if the instructions given below do not help disconnect the power cord and contact your authorized Yamaha dealer or service center Problem Cause What to Do Power is not supplied even though the STANDBY ON switch is set to the ON position The power plug is not securely connected Connect it securely The POWER switch is set to the OFF position Set the POWER switch to the ON position No sound The volume is set to minimum Raise the volume up Speaker cables are not connected securely Connect them securely Sound level is too low Speaker cables are not connected correctly Connect them correctly that is L left to L R right to R to and to Setting of the PHASE switch is not proper Set the PHASE switch to the other position A source sound with few bass freguencies is played Play a source sound with bass freguencies Set the HIGH CUT control to a higher position It is influenced by standing waves Reposition the subwoofer or break up the parallel surf
25. terminal which is marked with the letter L or coloured RED Making sure that neither core is connected to the earth terminal of the three pin plug For U K customers If the socket outlets in the home are not suitable for the plug supplied with this appliance it should be cut off and an appropriate 3 pin plug fitted For details refer to the instructions described below Note The plug severed from the mains lead must be destroyed as a plug with bared flexible cord is hazardous if engaged in a live socket outlet For Canadian Customers To prevent electric shock match wide blade of plug to wide slot and fully insert This Class B digital apparatus complies with Canadian ICES 003 VOLTAGE SELECTOR For Asia and General models only The voltage selector switch on the rear panel of this unit must be set for your local main voltage BEFORE plugging this unit into the AC main supply Voltages are 110 120 220 230 240 V AC 50 60 Hz CONTENTS FEATURES cccoccssscsscsscsecscsersssscsesssccsssscsscsessecsssesscsesssssasesesecssssosseseseecsasesecsscsesscsesssssasosessessesscsersssscsecsasesscsssseseseecees 2 SUPPLIED ACCESSORIES I ieg 2 PLACEMENT cccccsscsssscsssscsscsoscssnssssccssscssnscesssssscssnscesessnscossnseseasssscssscesessesecssscossssesessescosensesonsessossascsessessessscessasosonsess 3 CONTROLS AND THEIR FUNCTIONS 6600000000000000 0000 00000000
26. these cables are reversed the sound will be unnatural and lack bass Caution Do not let the bare speaker wires touch each other because this could damage the subwoofer or the amplifier or both of them B Before connecting Remove the insulation coating at the extremity of each speaker cable by twisting the coating off Good No Good 10mm 3 8 4 D Press and hold the terminal s tab as shown in the figure below E How to connect Insert the bare wire 3 Release your finger from the tab to allow it to lock securely on the cable s wire end 4 Test the firmness of the connection by pulling lightly on the cable at the terminal Red positive Note Do not insert the insulation coating into the hole The sound may not be produced 10 En CONNECTIONS B VOLTAGE SELECTOR switch For Asia and General models only After all connections are completed plug in the subwoofer This unit has a voltage selector switch on the rear and other audio video components to the AC outlet panel If the preset setting of the switch is incorrect set the switch to the proper voltage range 110 120 220 230 240 V of your area Consult your dealer if you are unsure of the correct setting VOLTAGE SELECTOR Plug in the subwoofer to the AC outlet WARNING POPE Do not plug the subwoofer to the AC outlet before U To AC outlet setting the VOLTAGE SELECTOR 11 En On ADJUSTING T
27. ust the HIGH CUT control and the VOLUME control again 12 En 7 Setthe PHASE switch to the position which gives you the better bass sound Normally set the switch to the REV reverse position If the desired response cannot be obtained set the switch to the NORM normal position Notes Once the volume balance between the subwoofer and the main speakers is adjusted you can adjust the volume of your whole sound system by using the amplifier s volume control However if you change the main speakers to others you must make this adjustment again For adjusting the VOLUME control the HIGH CUT control and the PHASE switch refer to FREQUENCY CHARACTERISTICS on page 14 AUTOMATIC POWER SWITCHING FUNCTION This function automatically switches the unit between standby and power on modes The subwoofer automatically places itself in standby mode if it does not receive an input signal for 7 or 8 minutes the status indicator lights red When the subwoofer detects a bass signal input of below 200 Hz it automatically places itself in power on mode the status indicator lights green Changing the AUTO STANDBY setting 1 Set the subwoofer to standby 2 Change the AUTO STANDBY setting LOW Normally select this position to activate this function HIGH If this function does not operate with AUTO STANDBY switch set to LOW select this position so that the subwoofer detects input signals with a lower level and switches t
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