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English

E-

3

PLACEMENT

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 fig.

Å

.) If using two subwoofers, it is recommended to place

them on the outside of each main speaker. (See fig. 

ı

.) The

placement shown in fig. 

Ç

 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 fig. 

Å

 or 

ı

.

 (         : subwoofer,        : main speaker)

Note

There may be a case that you cannot obtain enough super-
bass sounds from the subwoofer when listening at the
middle 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.

Ç

ı

Å

Use the nonskid pads

Put the provided nonskid pads at the four corners on the
bottom of the subwoofer to prevent the subwoofer from
moving by vibrations etc.

Summary of Contents for YST-SW005

Page 1: ...I OWNER S MANUAL U B YST SW005 Subwoofer System ...

Page 2: ...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 appa...

Page 3: ... 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 other electronic devices Compliance with FCC regulations does not guarantee that interference will not occur in all installations If this product is ...

Page 4: ...IV Nonskid pads UNPACKING After unpacking check that the following item is contained ...

Page 5: ...e damaged by using at high volume level when 20 Hz 50 Hz sine waves from a test disc bass sounds from electronic instruments etc are continuously inputted to this unit 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...

Page 6: ...plifier The HIGH CUT switch provides you with two positions HIGH and LOW to adjust the tone balance between the subwoofer and the main speakers The AUTO STANDBY switch saves you the trouble of setting the POWER switch to the ON or OFF position CONTENTS IMPORTANT SAFETY INSTRUCTIONS II UNPACKING IV CAUTION 1 FEATURES 2 PLACEMENT 3 CONNECTIONS 4 Connecting to line output pin jack terminals of the am...

Page 7: ... 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 fig Å or ı subwoofer main speaker Note There may be a case that you cannot obtain enough super bass sounds from the subwoofer when listening at the middle of the room This is because standing waves have been developed between two parallel walls and they cance...

Page 8: ...ne output terminal connect the subwoofer to the speaker output terminals of the amplifier Refer to pages 6 and 7 for details Left main speaker Right main speaker Subwoofer Amplifier To AC outlet Connecting to line output pin jack terminals of the amplifier To connect 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 rec...

Page 9: ...IGH CUT OFF POWER ON VOLUME 0 10 SPLIT SUBWOOFER INPUT2 MONO INPUT2 MONO Notes If your amplifier has two sets of PRE OUT terminals you can connect the subwoofer to one of those PRE OUT terminals When connecting to a monaural line output terminal of the amplifier connect the L MONO INPUT2 terminal Left main speaker Right main speaker Right subwoofer Amplifier To AC outlet 䡵 Using two subwoofers Lef...

Page 10: ...minals of the amplifier 䡵 Using one subwoofer 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 Left main speaker Right main speaker Subwoofer Amplifier Speaker output terminals To AC outlet If your amplifier has two...

Page 11: ...and lack bass How to Connect Red positive Black negative Caution Do not let the bare speaker wires touch each other as this could damage the subwoofer or the amplifier or both of them 1 Press and hold the terminal s tab as shown in the figure 2 Insert the bare wire end properly into the terminal hole Remove approx 10 mm 3 8 insulation from the speaker cable 3 Release your finger from the tab to al...

Page 12: ...to the HIGH or LOW position the subwoofer s automatic power switching function operates as explained on page 9 If you do not need this function set to the OFF position Make sure to change the setting of this switch only when the POWER switch 2 is in the OFF position 5 INPUT2 terminals Used to input line level signals from the amplifier 6 INPUT1 FROM AMPLIFIER terminals Used to connect the subwoofe...

Page 13: ...position In the HIGH position the power will turn on even with a low level of input signal But please be aware that the subwoofer may not switch to the standby mode when there is an extremely low input signal The power might turn on unexpectedly by sensing noise from other appliances If that occurs set the AUTO STANDBY switch to the OFF position and use the POWER switch to switch the power between...

Page 14: ...ween the subwoofer and the main speakers by following the procedures described below 6 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 this unit is not used If the desired response cannot be obtained adjust the HIGH CUT switch and the VOLUME control ...

Page 15: ...he HIGH CUT switch HIGH CUT LOW HIGH VOLUME 0 I0 Fig 2 shows the optimum volume level with the HIGH CUT switch at the HIGH position and the frequency characteristics when the subwoofer is combined with a typical 3 5 or 4 8 cm or 10 cm acoustic suspension 2 way system main speakers Fig 1 Fig 2 Main speaker s response 20 50 100 200 500Hz 40 50 60 70 80 90 100 HIGH CUT LOW HIGH CUT HIGH ...

Page 16: ...his a special negative impedance output drive amplifier for subtracting output impedance of the amplifier is used By employing negative impedance drive circuits the amplifier is able to generate precise low amplitude low frequency waves with superior damping characteristics These waves are then radiated from the cabinet opening as high amplitude signals The system can therefore by employing the ne...

Page 17: ...witch to the OFF position Set the AUTO STANDBY switch to the HIGH position Set the AUTO STANDBY switch to the HIGH position 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 Cause The power plug is not securely connected The VOLUME control is set to 0 Speaker cables are not connected securel...

Page 18: ...y USA and Canada models AC 120V 60 Hz U K and Europe models AC 230V 50 Hz Australia model AC 240V 50 Hz China and General models AC 110 120 220 240V 50 60 Hz SPECIFICATIONS Power Consumption 60 W In the standby mode 0 8 W Dimensions W x H x D 200 mm x 365 mm x 375 mm 7 7 8 x 14 7 20 x 14 3 4 Weight 8 5 kg 18 lbs 11 oz Accessories Nonskid pad x 4 Please note that all specifications are subject to c...

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