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MODEL 500
OWNERS MANUAL
500W class A/B amplifier
S U B W O O F E R
A M P L I F I E R
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I M P O R T A N T S A F E T Y I N S T R U C T I O N S Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (inlcuding amplifiers) that produce heat. Do not defeat the safety purpose of the pol
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MODEL 500 OWNERS MANUAL C O N T E N T S I M P O R TA N T S A F E T Y I N S T R U C T I O N S YO U R M O D E L 5 0 0 S U B W O O F E R A M P L I F I E R F E AT U R E S 4 - 5 C O N N E C T I O N 6 - 7 S E T U P Tips, Hints, & Suggestions 8 - 9 MODEL 500 Controls 9 Fine Tuning the Controls 9 Other Controls 10 S P E C I F I C AT I O N S 10
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F E A T U R E S The MODEL 500 subwoofer amplifier was designed to offer performance, value, and flexibility. It incorporates a 500W class A/B amplifier utilizing the patented BASH technology for high electrical efficiency. 4 independent controls offer flexibility to integrate nearly all subwoofers with the main speakers and the listening environment. (Instructions for fine tuning these controls are described in a later section of this manual.) The continuously-variable low pass filter net
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F E A T U R E S (continued) 1 2 3 4 5 6 7 8 9 10 11 12 1 Power Mode Switch – Selects if amplifier power is signal activated; Auto=Signal Sensing, On=Bypassed (Amp ON) 2 Power and Standby Mode Indicator – Off=No Power; Blue=On; Red=Standby 3 Phase Control – Adjusts relative alignment of output signal with respect to the input; 0o=In Phase, 180o=Out of Phase 4 Crossover Bypass Switch – Selects if internal crossover (low pass filter) is active, Variable=Active; Bypass=Inactive 5 Crossover Frequency
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C O N N E C T I O N No signal connection cable is provided with the MODEL 500 amplifier since the length of cable is installation specific. A shielded RCA type coaxial cable or a shielded two-conductor wire with RCA type connectors is required for connection of the MODEL 500 to the audio system. Before making any connections, ensure that power cord is disconnected or that the main power switch is switched to the off position. Input Signal: Follow the diagram on page 6 for connecting the
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C O N N E C T I O N (continued) VIDEO PRE OUT AUDIO SINGLE CENTER VIDEO L S-VIDEO R IN OUT DVD VCR FRONT SURROUND. SUR. SUB CD BACK WOOFER ANTENNA DVD IN OUT SPEAKERS VCR FRONT A CENTER SURROUND SURROUND BACK / BI-AMP AC OUTLETS AM L R L R L R GND FM 75 Ω UNBAL REMOTE OUT PRE OUT SINGLE CENTER L R FRONT SURROUND. SUR. SUB BACK WOOFER Line Level Line Level Left/ Left/ LFE LFE Right Right OPTION 1 OPTION 2 Subwoofer O W N E R ’ S M A N U A L 7 MODEL 500 AMPLIFIER
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S E T U P Tips, Hints, & Suggestions The MODEL 500 controls will allow you to make the best of virtually any installation. If you feel uncomfortable with setting up your MODEL 500 after reading through this manual then you should consider enlisting the help of an experienced person or contacting your dealer. Below are a few generalized rules for understanding the acoustic nature of low frequency sound reproduction in an average residential listening room. These rules will aid in understand
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S E T U P (continued) MODEL 500 Controls The MODEL 500 subwoofer amplifier has four variable controls to integrate its output to the subwoofer and for tailoring the subwoofer’s output to the room and to the primary speakers (also known as satellites). These controls are Level, Crossover Frequency, Phase, and subsonic filter. The control with the most audible effect is the Level control, followed by the Crossover Frequency, Phase control, and then Subsonic filter, which has the least audibl
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S E T U P (continued) Other Controls A) Crossover Switch If you choose to bypass the internal crossover and use an external crossover, such as those located in most modern receivers and processors, then you will need to fine tune the system based on the adjustments provided by the manufacturer of your electronics in conjunction with the Level and Phase controls on the MODEL 500. Note, the Level and Phase adjustments on the MODEL 500 are not bypassed and will still function as indicated ab
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N O T E S O W N E R ’ S M A N U A L 11 MODEL 500 AMPLIFIER
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OEM SYSTEMS COMPANY Sparks, Nevada (775) 355-0405 (800) 291-0561 FAX www.oemsystems.com info@oemsystems.com Rev. D
