User manual SONY SA-WX90

[. . . ] Use of this appliance with some systems may present a shock or fire hazard. Do not use with any units which have the following marking located near output. Before operating this woofer, please read this manual thoroughly and retain it for future reference. Check that you received the following items: · Since the human ear cannot detect the direction and position where the bass sound being reproduced by a woofer (below 120 Hz) comes from, you can install the woofer wherever you like in your room. [. . . ] Connecting to an amplifier with a special jack for a subwoofer If your amplifier has a special jack for a subwoofer (like a MONO OUT jack, MIX OUT jack, SUBWOOFER jack or SUPER WOOFER jack), connect the LINE IN jack of the woofer to one of those jacks. When using two or more subwoofers Hookups Connect the MONO OUT jack of your amplifier to the LINE IN jack of the woofer with the supplied audio connecting cord. Connect the AC power cord from the woofer and From your amplifier to a wall outlet. ⷠMake sure that power to the woofer is turned off Before you plug in or unplug any power cord. If the output level of your amplifier is not large enough, the sound may not be loud enough. ) or the equalizer output to a high level or input sine curves of 20 Hz to 50 Hz recorded on a commerciallyavailable test disc or special sound (bass sound of electronic musical instrument, pop noise of analog disc turntable, sound with abnormally enhanced bass, etc. These actions may cause damage to the speakers. When a special disc containing abnormally enhanced bass is played, noise may be output in addition to the original sound. The woofer turns on and the POWER indicator lights up in green. Adjust the VOLUME so that sound from the front speakers is not distorted. To turn on and off the power automatically The subwoofer output signal (DOLBY digital (AC-3) signal) of the digital surround processor sold singularly is set 10 dB higher by Dolby laboratories Licensing Corporation. E, the POWER indicator lights up green) and there is no signal input for about seven minutes, the POWER indicator changes to red and the woofer enters power saving mode. While in this mode a signal is input to the woofer, the woofer automatically turns on (auto power on/off function). To turn this feature off, slide the POWER SAVE switch on the rear panel to OFF. If you turn down the volume level of the woofer too low, the auto power on/off function may activate, causing the woofer to enter power saving mode. You can adjust the sound of the woofer to suit the sound of your front speakers. Reinforcing the bass sound gives you a greater sense of atmosphere. If the sound distorts when you turn on the bass reinforcement from your amplifier (such as, DBFB, GROOVE, the graphic equalizer, etc. Turn the CUT OFF FREQ control, depending on the reproduction frequencies of your front speakers. 50Hz 4 Typical large sized speakers: more than 25 cm dia. [. . . ] Do not install the woofer near heat sources such as radiators or air ducts, or in a place subject to direct sunlight, excessive dust, mechanical vibration or shock. ⷠGood ventilation is essential to prevent internal heat build-up in the woofer. place the woofer in a location with adequate air circulation. Do not place the woofer on a soft surface or too close to a wall as this may obstruct the ventilation hole on the back. [. . . ]