Summary of Contents for Presence A-120
- Page 1 A-120 OWNER’S MANUAL 300 Watt Powered Subwoofer 12” E X T R A L O N G –T H R O W Heavy Duty Woofer F R E E - S T A N D I N G Presence ®...
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Page 2: Important Safety Instructions
The exclamation point within an equilat- symbol within an equilateral triangle, is intended eral triangle is intended to alert the user to the to alert the user to the presence of uninsulated presence of important operating and maintenance “dangerous voltage’’ within the product’s en-... - Page 3 This will ensure that you have a complete understanding of how to setup and operate your subwoofer properly for optimum performance. Thank you again for choosing the A-120, and we hope that you enjoy the enhanced dimension that a fine subwoofer adds to the sonic experience.
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Page 4: A T T A C H I N G T H E F E E T
DO NOT try to slide your subwoofer with the feet installed. This will damage the foot supports or the feet. If the A-120 is placed on carpet, the spikes are likely the best choice since they will penetrate the carpet and provide a solid and stable footing for the subwoofer. - Page 5 C O N N E C T I O N No signal connection cable is provided with the A-120 subwoofer since the type and length of cable is installation specific. A shielded RCA type coaxial cable, a shielded two-conductor wire with RCA type connectors, or a 2-channel speaker cable is required for connection of the A-120 to the audio system.
- Page 6 Use care to ensure that the proper polarity is observed (R+ is connected to R+ of A-120, R- is connected to R- of A-120, etc). Failure to do so will result in little to no subwoofer output or erratic output.
- Page 7 SUR. FRONT SURROUND. BACK WOOFER Line Level Line Level input input Speaker Level Input Left/ Left/ Right Right Right Left OPTION 1 OPTION 2 OPTION 3 A-120 O W N E R ’ S M A N U A L...
- Page 8 The A-120 controls will allow you to make the best of virtually any installation. If you feel uncomfortable with setting up your A-120 after reading through this section then you should consider enlisting the help of an experienced person or contacting your dealer.
- Page 9 S E T U P (continued) A-120 Controls The A-120 subwoofer has thee variable controls for tailoring its output to the room and to the primary speakers (also known as satellites). These controls are Level, Crossover Frequency, and Phase. The control with the most audible effect is the Level control, followed by the Crossover Frequency, and then the Phase control, which has the least audible effect.
- Page 10 The A-120 contains a circuit that automatically powers up the amplifier when a signal is detected. The same circuit also places the A-120 into standby mode when no signal has been detected for a period of approximately 10 minutes. This signal sensing circuit can be bypassed by switching the Auto switch the OFF position if it is preferable to control the A-120’s power with a remotely operated power source.
- Page 11 N O T E S A-120 O W N E R ’ S M A N U A L...
- Page 12 Rev. G Note: Specifications are subject to change without notice. For the most up to date manual information please check our website.
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