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SW-3
Active Servo Processing Subwoofer System
Enceinte pour très basses fréquences de traitement à asservissement actif
Thank you for selecting this YAMAHA Subwoofer System.
Active Servo
Nous vous remercions d’avoir porté votre choix sur cette enceinte
Technology
pour très basses fréquences YAMAHA.
OWNER’S MANUAL
MODE D’EMPLOI
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SAFETY INSTRUCTIONS 7 Wall or Ceiling Mounting – The unit should be mounted to CAUTION a wall or ceiling only as recommended by the manufacturer. RISK OF ELECTRIC SHOCK DO NOT OPEN 8 Ventilation – The unit should be situated so that its location or position does not interfere with its proper CAUTION: TO REDUCE THE RISK OF ventilation. For example, the unit should not be situated ELECTRIC SHOCK, DO NOT REMOVE on a bed, sofa, rug, or similar surface, that may block the COVER (OR BACK). NO USER-S
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English FCC INFORMATION (for US customers only) 1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT! Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product This product, when installed as indicated in the is found to be the source of interference, which can be instructions contained in this manual, meets FCC determined by turning the unit “OFF” and “ON”, please try requirements. Modifications not expressly approved by to eliminate th
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CONTENTS Caution ...........................................................................2 Adjusting volume ..........................................................10 Features .........................................................................5 Active Servo Technology ..............................................12 Placement ......................................................................5 Troubleshooting ............................................................13 Connection
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English FEATURES This subwoofer system employs YAMAHA Active Servo This unit can be added easily to your existing audio system • • Technology which YAMAHA developed for reproducing by connecting to either the speaker terminals or the line higher quality super-bass sound. (Refer to page 12 for output (pin jack) terminals of the amplifier. details on Active Servo Technology.) For the effective use of this unit, this unit’s super-bass • This unit does not only enhance bass frequency response of
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CONNECTIONS • Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other components to which connections are being made. • When making connections between this unit and other components, be sure all connections are made correctly and consistently, that is to say L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. • This unit can be connected to either the speaker terminals or the line output (pin jack) terminals of th
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English If your amplifier has two sets of speaker terminals Amplifier AB (Both “A” and “B” outputs Right speaker Left speaker must be ON.) This unit INPUT2 INPUT1 INPUT2 INPUT1 FROM AMPLIFIER POWER AUTO FROM AMPLIFIER STANDBY-RED ON OFF ON-GREEN POWER HIGH CUT VOLUME OFF ON 50 Hz 150 Hz 010 OUTPUT TO SPEAKERS OUTPUT TO SPEAKERS To AC outlet Connecting to this unit’s OUTPUT/INPUT terminals For connections, cut the speaker wires as short as possible. If * Banana Plug connections are also possible
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CONNECTING TO LINE OUTPUT (PIN JACK) TERMINALS OF THE AMPLIFIER • Leave the main speakers connected to the amplifier. • Amplifier line output terminals are generally labeled PRE OUT or SUBWOOFER OUT. * For PRE OUT terminal connection, the amplifier must possess at least two sets of PRE OUT terminals. With some amplifiers with only one set of PRE OUT terminals, connection can result in no sound from the main left and right speakers. In this case, select the method of connecting to the speaker t
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English CONTROLS AND THEIR FUNCTIONS 1 2 3 INPUT2 INPUT1 AUTO FROM AMPLIFIER POWER OFF ON STANDBY-RED ON-GREEN INPUT2 INPUT1 AUTO FROM AMPLIFIER POWER ON OFF STANDBY-RED ON-GREEN POWER HIGH CUT VOLUME OFF POWER HIGH CUT VOLUME ON 50 Hz I50 Hz 0I0 OUTPUT TO SPEAKERS OFF ON 50 Hz I50 Hz 0I0 OUTPUT TO SPEAKERS 4 5 6 7 8 1 POWER indicator 3 INPUT1 (FROM AMPLIFIER) terminals Lights in green when the POWER switch is turned ON, Used to connect this unit with the speaker terminals of the and goes off wh
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ADJUSTING VOLUME POWER HIGH CUT VOLUME OFF ON 50 Hz I50 Hz 0I0 2 5 1, 4 Notes 1 Set the VOLUME control to minimum. Once the volume balance between this unit and the main • speakers is adjusted, you can adjust the volume of your whole sound system by using only the amplifier’s volume 2 Turn on the power supply to all the components. control. For adjusting the VOLUME control and the HIGH CUT • control, refer to “FREQUENCY CHARACTERISTICS” on 3 Play any source and adjust the amplifi
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English FREQUENCY CHARACTERISTICS Adjustment of the VOLUME control and the HIGH CUT control should be changed according to the main speakers, listening condition, source, etc. Following figures show the optimum adjustment of each control and the frequency characteristics when this unit is combined with a typical speaker system. This unit’s frequency characteristics dB HIGH CUT 100 Hz HIGH CUT 90 150 Hz 80 70 60 HIGH CUT 50 Hz 50 40 20 50 100 200 500Hz dB When combined with a 4” or 5” acoustic
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ACTIVE SERVO TECHNOLOGY The theory of Active Servo Technology is based upon two Thus it is this problem that is resolved through the major factors, the Helmholtz resonator and negative- employment of a design in which the amplifier functions to impedance drive. Active Servo Processing speakers supply special signals. If the electrical resistance of the voice reproduce the bass frequencies through an “air woofer”, coil could be reduced to zero, the movement of the speaker which is a port or ope
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English TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help. SYMPTOM CAUSE REMEDY Power is not supplied even though the The power plug is not securely connected. Connect it securely. POWER switch is ON. No sound.
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YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, F.R. OF GERMANY YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD W
