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U C A
YST-SW320
Active Servo Processing Subwoofer System
Caisson de grave avec asservissement actif
OWNER’S MANUAL
MODE D’EMPLOI
I
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• Explanation of Graphical Symbols CAUTION The lightning flash with arrowhead RISK OF ELECTRIC SHOCK symbol, within an equilateral triangle, DO NOT OPEN is intended to alert you to the presence of uninsulated “dangerous CAUTION: TO REDUCE THE RISK OF voltage” within the product’s ELECTRIC SHOCK, DO NOT REMOVE enclosure that may be of sufficient COVER (OR BACK). NO USER-SERVICEABLE magnitude to constitute a risk of PARTS INSIDE. REFER SERVICING TO electric shock to persons.
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FCC INFORMATION (for US customers only) 1. IMPORTANT NOTICE : DO NOT MODIFY THIS Compliance with FCC regulations does not guarantee that UNIT! interference will not occur in all installations. If this This product, when installed as indicated in the product is found to be the source of interference, which instructions contained in this manual, meets FCC can be determined by turning the unit “OFF” and “ON”, requirements. Modifications not expressly approved please try to eliminate the problem b
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UNPACKING After unpacking, check that the following item is contained. DEBALLAGE Après le déballage, vérifier que la pièce suivante est incluse. Nonskid pads Patins anti-dérapages IV
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English Thank you for selecting this YAMAHA Subwoofer System. CAUTION: Read this before operating your unit. c Do not attempt to clean this unit with chemical solvents c To assure the finest performance, please read this as this might damage the finish. Use a clean, dry cloth. manual carefully. Keep it in a safe place for future reference. c Be sure to read the “TROUBLESHOOTING” section regarding common operating errors before concluding c Install this unit in a cool, dry, clean place – away fr
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CONTENTS UNPACKING ................ Inside of Front Cover CONTROLS AND THEIR FUNCTIONS ... 8 CAUTION .................................................. 1 AUTOMATIC POWER-SWITCHING FUNCTION............................................... 9 FEATURES ............................................... 2 ADJUSTING THE SUBWOOFER PLACEMENT ............................................ 3 BEFORE USE ........................................ 10 Frequency characteristics.................... 11 CONNECTIONS.......
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English PLACEMENT õ ( : subwoofer, : main speaker) One subwoofer will have a good effect on your audio Use the nonskid pads system, however, the use of two subwoofers is Put the provided nonskid pads at the four corners on the recommended to obtain more effect. bottom of the subwoofer to prevent the subwoofer from moving by vibrations etc. 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
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CONNECTIONS Caution: Plug in the subwoofer and other audio/video components after all connections are completed. c All connections must be correct, that is to say L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. Also refer to the owner’s manual for each of your components. c Set the VOLTAGE SELECTOR switch to the proper voltage of your area BEFORE plugging in the subwoofer. c The subwoofer can be connected to either the line output (pin jack) terminals o
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English m Using two subwoofers Right main speaker Left main speaker OUTPUT OUTPUT /MONO /MONO TO SPEAKERS TO SPEAKERS FROM AMPLIFIER FROM AMPLIFIER INPUT INPUT INPUT INPUT 2 1 2 1 Subwoofer Subwoofer BASS PHASE AUTO /MONO TO SPEAKERS OUTPUT BASS PHASE AUTO OUTPUT STANDBY STANDBY /MONO TO SPEAKERS MUSIC MOVIE REV NORM HIGH LOW OFF MUSIC MOVIE REV NORM HIGH LOW OFF FROM AMPLIFIER INPUT INPUT FROM AMPLIFIER 2 1 INPUT 2 INPUT 1 VOLTAGE VOLTAGE SPLIT SUBWOOFER SELECTOR SELECTOR POWER POWER ON ON OFF
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Connecting to speaker output terminals of the amplifier m 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. Right main speaker Left main speaker OUTPUT /MONO TO SPEAKERS Subwoofer BASS PHASE AUTO OUTPUT FROM AMPLIFIER STANDBY /MONO TO SPEAKERS MUSIC MOVIE REV NORM HIGH OFF LOW INPUT INPUT 2 1
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English m Using two subwoofers 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. Right main speaker Left main speaker OUTPUT OUTPUT /MONO /MONO TO SPEAKERS TO SPEAKERS Subwoofer Subwoofer FROM AMPLIFIER FROM AMPLIFIER INPUT INPUT INPUT INPUT BASS PHASE AUTO OUTPUT 2 1 2 1 BASS PHASE AUTO OUTPUT STANDBY /MONO TO SPEAKERS STANDBY /MONO TO SPEAKERS MUSIC MOVIE REV NORM HIGH OFF MUSI
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CONTROLS AND THEIR FUNCTIONS Front panel SUBWOOFER SYSTEM YST–SW320 STANDBY/ON HIGH CUT40–140Hz VOLUME0–10 STANDBY/ON HIGH CUT40–140Hz VOLUME0–10 12 3 4 Rear panel 7 8 9 0 A BASS PHASE AUTO OUTPUT STANDBY /MONO TO SPEAKERS POWER MUSIC MOVIE REV NORM HIGH OFF LOW BASS PHASE AUTO OUTPUT VOLTAGE /MONO STANDBY TO SPEAKERS SELECTOR FROM AMPLIFIER INPUT INPUT 2 1 ON MUSIC MOVIE REV NORM HIGH OFF LOW OFF POWER VOLTAGE SELECTOR ON OFF 5 6 FROM AMPLIFIER INPUT INPUT 2 1 B 1 Power indicator 4 VOLUME contr
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English 0 INPUT2 terminals 7 BASS switch Used to input line level signals from the amplifier. By setting this switch to the MOVIE position, the bass (Refer to “CONNECTIONS” for details.) sound in video software is well reproduced. By setting it to the MUSIC position, the bass sound in audio A OUTPUT (TO SPEAKERS) terminals software is well reproduced. Can be used for connecting to the main speakers. Signals are sent directly from the amplifier to the main 8 PHASE switch speakers by way of these
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ADJUSTING THE 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. Front panel SUBWOOFER SYSTEM YST–SW320 STANDBY/ON HIGH CUT40–140Hz VOLUME0–10 STANDBY/ON HIGH CUT40–140Hz VOLUME0–10 3 5 1, 6 Rear panel BASS PHASE AUTO OUTPUT STANDBY /MONO TO SPEAKERS MUSIC MOVIE REV NORM HIGH LOW OFF FROM AMPLIFIER INPUT INPUT 2 1 BASS PHASE AUTO STANDBY MUSIC
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English Frequency characteristics This subwoofer’s frequency characteristics 100 dB HIGH CUT 40 Hz HIGH CUT 90 Hz 90 HIGH CUT 80 140 Hz 70 60 50 40 20 50 100 200 500 Hz 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. EX.1 When combined with a 4” or 5” (10 cm or 13 cm) acoustic suspension, 2 way system main speakers 100 dB HIGH CUT40–140Hz VOLUME0–10 90 80 YST-SW320 70 PHASE–Set to
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ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY The theory of Yamaha Active Servo Technology has been By employing negative-impedance drive circuits, the based upon two major factors, the Helmholtz resonator and amplifier is able to generate precise, low-amplitude, low- negative-impedance drive. Active Servo Processing frequency waves with superior damping characteristics. speakers reproduce the bass frequencies through an “air These waves are then radiated from the cabinet opening as woofer”, which is
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English 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 The power cord is not plugged in, or the Plug the power cord into an AC outlet though the STANDBY/ON button POWER switch is set to the OFF and/or set the POWER switc
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SPECIFICATIONS Type ............... Advanced Yamaha Active Servo Technology Power Consumption ................................................... 60W Driver ............................. 25 cm (10”) cone woofer (JA2560) Dimensions (W x H x D) ...... 340 mm x 432 mm x 370 mm Magnetically shielded type (13-3/8” x 17” x 14-9/16”) Amplifier Output .................................................. 250W/5Ω Weight .................................................. 17 kg (37 lbs. 6 oz.) Frequency Respo
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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 WATFORD, HERTS WD1 7JS, ENGLAND YAMAH
