UB YST-SW012 SUBWOOFER SYSTEM OWNER’S MANUAL i
IMPORTANT SAFETY INSTRUCTIONS 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. • 1 Read these instructions. 2 Keep these instructions. 3 Heed all warnings. 4 Follow all instructions. 5 Do not use this apparatus near water. 6 Clean only with dry cloth. 7 Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
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.
Precautions: Read this before operating this unit • 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.
• VOLTAGE SELECTOR (For China, Korea, Asia and General models) 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 110–120/220–240 V AC, 50/60 Hz. Table of contents Precautions: Read this before operating this unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction Features Supplied accessories • This subwoofer system employs Advanced Yamaha Active Servo Technology II which Yamaha has developed for reproducing higher quality super-bass sound. (Refer to page 5 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. Please confirm that the following item is included in the package.
Connections Caution: Plug the power cables for the subwoofer and other audio/video components into an AC outlet only after you complete all other connections. Basic connection example Connect a subwoofer cable to the output jack of your AV amplifier and to the INPUT jack of the subwoofer. Connecting components and the subwoofer to AC power After you complete a subwoofer connection, plug the amplifier, other audio/video component, and the subwoofer into an AC outlet of appropriate voltage.
Using the subwoofer Pre-adjusting the subwoofer volume 4 Before you use the subwoofer, first adjust the volume balance between the subwoofer and the front speakers by following the procedure below. INPUT Subwoofer rear panel 1. Set the VOLUME control to minimum (0). 2. Turn on the power to all other components. 3. Press the POWER switch to the ON position. 3 1 INPUT VOLUME VOLUME The power indicator on the rear panel lights up in green. 4. Play a source that contains bass signal.
Advanced Yamaha Active Servo Technology II In 1998, 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. reflex method. This allows for bass reproduction from much smaller cabinets than was previously possible.
Troubleshooting Refer to the chart below if the unit does not function properly. If the problem you are experiencing is not listed, or if the instructions fail to help you resolve the problem, disconnect the power cord and contact your authorized Yamaha dealer or service center. Problem Cause Remedy Power is not supplied even though the POWER switch is set to the ON position. The power plug is not securely connected. Turn the power switch OFF, then connect the power plug securely. No sound.
Specifications Type .....Advanced Yamaha Active Servo Technology II Frequency response Driver ................................. 20 cm (8") cone woofer Magnetically shielded type 100 dB Output Power ................................................. 50 W Dynamic Power .........................................100 W, 5 Ω 90 Input Impedance ...............................................12 kΩ 80 Frequency Response ................... 28 Hz – 200 Hz 70 Input Sensitivity .............
© 2006 YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, GERMANY ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD18 7GQ, ENGLAND SCANDINAVIA A.