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IMPORTANT!
Please record the serial number of this
unit in the space below.

Model:
Serial No.:

The serial number is located on the rear
of the unit.
Retain this Owner’s Manual in a safe
place for future reference.

WARNING
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE
THIS UNIT TO RAIN OR MOISTURE.

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.

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.

• Explanation of Graphical Symbols

CAUTION

Active Servo Processing Subwoofer System

Built-in 70W Power Amplifier (YST-SW120)

Built-in 50W Power Amplifier (YST-SW60)

2 Way Selectability for Connections

High Frequency Cut-off Point (HIGH CUT) Control

PHASE Switch

OWNER’S MANUAL

CONTENTS

Safety Instructions ...................2
Features...................................4
Placement................................4
Connections.............................5
Controls and Their Functions .......8
Adjusting Volume .....................9
Active Servo Technology ........11
Troubleshooting ......................12
Specifications .........................12

YST-SW120/60

Thank you for selecting this YAMAHA Subwoofer System.

Active Servo

Technology

Содержание YST-SW120

Страница 1: ... 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 Explanation of Graphical Symbols CAUTION Active Servo Processing Subwoofer System Built in 7...

Страница 2: ...he unit or C The unit has been exposed to rain or D The unit does not appear to operate normally or exhibits a marked change in performance or E The unit has been dropped or the cabinet damaged 16 Servicing The user should not attempt to service the unit beyond those means described in the operating instructions All other servicing should be referred to qualified service personnel 17 Power Lines A...

Страница 3: ... 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 oper...

Страница 4: ...y for various listening conditions If using one subwoofer it is recommended to place it on the outside of either the right or the left main speaker See fig If using two subwoofers it is recommended to place them on the outside of each main speaker See fig The placement shown in fig is also possible however if the subwoofer system is placed directly facing the wall the bass effect may die because t...

Страница 5: ...wner s manual for each component to be connected to this unit CONNECTING TO SPEAKER TERMINALS OF THE AMPLIFIER Disconnect your main speakers from the amplifier and connect them to this unit If using one unit If using two units CONNECTIONS NOM REV OUTPUT INPUT1 INPUT2 PHASE TO SPEAKERS FROM AMPLIFIER Right speaker Left speaker Amplifier To AC outlet This unit FROM AMPLIFIER NOM REV OUTPUT INPUT2 PH...

Страница 6: ...it as this could damage this unit your amplifier and or speakers How to Connect Red positive Black negative Unscrew the knob Insert the bare wire Remove approx 5mm 1 4 insulation from the speaker wires Tighten the knob and secure the wire Banana Plug connections are also possible except for Scandinavian model Simply insert the Banana Plug connector into the corresponding terminal Connecting to thi...

Страница 7: ...kers should not be connected to the OUTPUT terminals on the rear panel of this unit If connected they will not produce sound When connecting to a monaural line output terminal of the amplifier connect to either the left or right INPUT 2 terminal NOM REV OUTPUT INPUT1 INPUT2 PHASE TO SPEAKERS FROM AMPLIFIER To AC outlet This unit FROM AMPLIFIER NOM REV OUTPUT INPUT2 PHASE TO SPEAKERS INPUT1 PRE OUT...

Страница 8: ... Normally this switch is to be set to the normal NOM position However according to your speaker systems or the listening condition there may be a case when better sound quality is obtained by setting this switch to the reverse REV position Select the better position by monitoring the sound CONTROLS AND THEIR FUNCTIONS POWER HIGH CUT VOLUME 140 Hz 0 10 40 Hz 1 4 2 3 1 4 2 3 YST SW120 YST SW60 POWER...

Страница 9: ...me control For adjusting the VOLUME control the HIGH CUT control and the PHASE switch refer to FREQUENCY CHARACTERISTICS on the next page For effective adjustment of the HIGH CUT control First set this control at about the main speakers rated minimum reproduceable frequency Then turn up the VOLUME control gradually and set it at a level where you can obtain a little more bass effect than when this...

Страница 10: ...HASE Set to the reverse REV position HIGH CUT VOLUME 140 Hz 0 10 40 Hz VOLUME 0 10 HIGH CUT 200 Hz 50 Hz 20 50 100 200 500Hz 40 50 60 70 80 90 dB HIGH CUT 50 Hz HIGH CUT 200 Hz HIGH CUT 120 Hz 20 50 100 200 500Hz 40 50 60 70 80 90 dB HIGH CUT 90 Hz HIGH CUT 140 Hz HIGH CUT 40 Hz 20 50 100 200 500Hz 40 50 60 70 80 90 dB YST SW60 20 50 100 200 500Hz 40 50 60 70 80 90 dB YST SW120 20 50 100 200 500Hz...

Страница 11: ...solved through the employment of a design in which the amplifier functions to supply special signals If the electrical resistance of the voice coil could be reduced to zero the movement of the speaker unit would become linear with respect to signal voltage and to accomplish this a special negative impedance output drive amplifier for subtracting output impedance of the amplifier is used By employi...

Страница 12: ... U S A and Canada models AC 120V 60 Hz Australia and U K models AC 240V 50 Hz Europe model AC 230V 50 Hz General model AC 110 120 220 240V 50 60 Hz Power Consumption 100W Dimensions W x H x D 215 mm x 590 mm x 412 mm 8 7 16 x 23 1 4 x 16 1 4 Weight 15 5 kg 34 lbs 2 oz Please note that all specifications are subject to change without notice YST SW120 Type Active Servo Processing Subwoofer System Sp...

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