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Resumen del manual
13 En English ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY II ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY II As this technology uses speaker units controlled by the negative impedance drive of the amplifier and resonance generated between the speaker cabinet volume and port, it creates more resonant energy (the “air woofer” concept) than the standard bass reflex method. This allows for bass reproduction from much smaller cabinets than was previously possible. Yamaha’s newly developed Advanced YST II adds many refinements to Yamaha Active Servo Technology, allowing better control of the forces driving the amplifier and speaker. From the amplifier’s point of view, the speaker impedance changes depending on the sound frequency. Yamaha developed a new circuit design combining negative-impedance and constant-current drives, which provides a more stable performance and clear bass reproduction, without any murkiness. High-amplitude bass sound Port Cabinet Advanced impedance Converter Active Servo Processing Amplifier Signals of low amplitude Air woofer (Helmholtz resonator) Signals 14 En TROUBLESHOOTING TROUBLESHOOTING Problem Cause What to Do Power is not supplied even though the STANDBY/ON button is set to the ON position. The power plug is not securely connected. Connect it securely. The POWER switch is set to the OFF position. Set the POWER switch to the ON position. No sound. The volume is set to minimum. Raise the volume up. Speaker cables are not connected securely. Connect them securely. Sound level is too low. Speaker cables are not connected correctly. Connect them correctly, that is L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. The PHASE switch is not set correctly. Set the PHASE switch to the other position. A source sound with little bass frequency content is being played. Play a source sound with bass frequencies. Set the HIGH CUT control to a higher position. It is influenced by standing waves. Reposition the subwoofer or break up parallel surfaces by placing bookshelves, etc., along the walls. The subwoofer does not turn on automatically. The POWER switch is set to the OFF position. Set the POWER switch to the ON position. The STANDBY/ON button is set to the STANDBY position. Set the STANDBY/ON button to the ON position. The AUTO STANDBY switch is set to the OFF position. Set the AUTO STANDBY switch to the “HIGH” or “LOW” position. The level of input signal is too low. Set the AUTO STANDBY switch to the “HIGH” position. The subwoofer does not turn into the standby mode automatically. Noise generated from external appliances etc., is activating the subwoofer. 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. The AUTO STANDBY switch is set to the OFF position. Set the AUTO STANDBY switch to the “HIGH” or “LOW” position. The subwoofer turns into the standby mode unexpectedly. The level of input signal is too low. Set the AUTO STANDBY switch to the “HIGH” position. The subwoofer turns on unexpectedly. Noise generated from external appliances etc., is activating the subwoofer. 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. 15 En English SPECIFICATIONS SPECIFICATIONS y Driver ........................................25 cm (10”) cone woofer Magnetic shielding type Amplifier Output (100 Hz, 5 ohms, 10% THD) ................................................................................300 W Frequency Response ............................... 20 Hz - 160 Hz Power Supply USA and Canada models...................AC 120V, 60 Hz U.K. and Europe models....................AC 230V, 50 Hz Australia model..................................AC 240V, 50 Hz China model.......................................AC 220V, 50 Hz Korea model.......................................AC 220V, 60 Hz Asia and General models ........................AC 110/120/220/230-240 V, 50/60 Hz Power Consumption................................................90 W Standby Power Consumption ...............................0.5 W Dimensions (W . H . D) ....................................... 406mm . 445 mm . 406 mm (16” . 17-1/2” . 16”) Weight .............................................. 21 kg (46 lbs. 5 oz.) Please note that all specifications are subject to change without notice. Limited Guarantee for European Economic Area (EEA) and Switzerland Thank you for having chosen a Yamaha product. In the unlikely event that your Yamaha product needs guarantee service, please contact the dealer from whom it was purchased. If you experience any difficulty, please contact Yamaha representative office in your country. You can find full details on our website (or for U.K. resident). The product is guaranteed to be free from defects in workmanship or materials for a period of two ye...