Instrukcja obsługi Boston Acoustics POWERED PV900

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PV900
PV700
Powered Subwoofers

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Important Safety Instructions This symbol found on the apparatus indicates hazards arising from dangerous voltages. This symbol found on the apparatus indicates the user should read all safety state- ments found in the user manual. This symbol found on the apparatus indicates double insulation. WARNING! To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. 1. Read these instructions. 12. Unplug this apparatus during lightning 2. Keep these instructions.

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Specifications* PV900 PV700 Frequency Response (±3dB) 26–150Hz 29–150Hz Subwoofer Amplifier Power FTC Rated Power: 300 watts @ 50 Hz FTC Rated Power: 200 watts @ 50 Hz into 4 ohms at less than 1% THD+N into 4 ohms at less than 1% THD+N Subwoofer Crossover 50–150Hz 50–150Hz 24dB/octave low-pass 24dB/octave low-pass LFE Input Yes Yes Crossover Bypass Yes Yes Bass Unit 12" (305mm) DCD 12" (305mm) DCD down-firing down-firing Enclosure Type Rear-ported Rear-ported 5 1 1 1 1 3 Dimensions (HxWxD) 15 /

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Connections NOTE: Power is always supplied to the subwoofer electronics unless it is unplugged or switched to the off position using the power toggle switch located in the lower left corner of the rear panel. The auto-on circuitry only activates or deactivates the power amplifier. Make sure your subwoofer and receiver are unplugged when making the connection. Line level: Use one of the “line level in” jacks with most systems. These inputs accept the line-level signal from your receiver’s subwoo

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Connecting the Subwoofer to Digital Home Theater Systems Digital 5.1, 6.1 and 7.1 home theater electronics dedicate one channel (the “.1”) to reproduce the special low-frequency (LFE) information (such as explosions and thunder) contained in digitally-encoded soundtracks. Select ”subwoofer-yes“ from your receiver’s set-up menu. Hooked up this way, the receiver’s amplifier is relieved of having to reproduce the difficult low bass signals that can drive the receiver into audible distortion. Use a

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® ® Connecting the Subwoofer to Stereo or Dolby Pro Logic Systems For stereo or Dolby Pro Logic systems, the easiest method is to use the same speaker wire connections as shown on page 5. You may also use the “sub out” connection from your receiver to the input on the subwoofer marked use crossover control. When using speaker wire or the use crossover control input, the subwoofer’s built-in crossover is engaged. As a starting point, set the crossover control on the subwoofer about 10Hz higher t

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Controls (con’t) Power mode switch Power indicator: This two- NOTE: The Main Power Switch needs to be in the on position before this switch is active. color power status light will be red when the Power Auto: When set to this position, the subwoofer’s auto-on Mode Switch is set to auto circuitry turns the amplifier on when an audio signal is presented (without any audio signal auto on (turning the power indicator light green), and turns it off in present) and green when set approximately 15 mi

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If Speaker Wire Connections Cause the Subwoofer to Hum Certain receivers use speaker grounding circuits that may be incompatible with external powered audio products, such as powered subwoofers. When speaker wire is used instead of line level cables, this incompatibility can result in an audible hum when the receiver is turned off or switched to a different speaker channel. If this should happen with your Boston Acoustics subwoofer, you will need to make a ground cable and connect it to either R

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