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Фрагмент инструкции
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 polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. Only use attachments/accessories specified by the manufacturer. Unplug this apparatus during lightning storms or when unused for long periods of time. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. WARNING: To reduce the risk of fire or electric shock, this apparatus should not be exposed to rain or moisture and objects filled with liquids, such as vases, should not be placed on this apparatus. To completely disconnect this equipment from the mains, disconnect the power supply cord plug from the receptacle. The mains plug of the power supply cord shall remain readily operable. WARNING: Disconnect power before making any connection to the speaker terminals as they may present a risk of electrical shock. ! WARNING CAUTION The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage “ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. MODEL 500 AMPLIFIER OWNER’S MANUAL MODEL 500 OWNERS MANUAL CONTENTS IMPORTANT SAFETY INSTRUCTIONS 2 YOUR MODEL 500 SUBWOOFER AMPLIFIER 3 FEATURES 4-5 CONNECTION 6-7 SETUP SPECIFICATIONS 10 Tips, Hints, & Suggestions 8 - 9 MODEL 500 Controls 9 Fine Tuning the Controls 9 Other Controls 10 YOUR MODEL 500 SUBWOOFER AMPLIFIER Thank you for purchasing the Model 500 subwoofer amplifier. The Model 500 has been developed to provide extraordinary power and clarity while also providing a broad range of woofer compatibility. This manual covers operating procedures, general setup, and technical specifications for your Model 500. We recommend that you thoroughly read through the material contained in this manual before connecting your amplifier. This will ensure that you have a complete understanding of how to properly setup and operate your subwoofer amplifier for optimum performance. Thank you again for choosing the Model 500—we are confident that it will provide you with the extraordinary power and performance necessary to bring your subwoofer to life. Box Contents: Amplifier Rack Ears with Screws Power Cord Owners Manual FEATURES 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 network is adjustable from 40Hz to 120Hz and can be bypassed if it is preferable to use an external filter or one located in an outboard receiver or processor. The continuously-variable phase circuit is adjustable from 0 to 180 degrees to finely integrate the subwoofer with the main listening speakers. The MODEL 500 incorporates a unique continuously-variable subsonic filter that is adjustable from 20Hz to 35Hz that preserves the amplifiers power for only bass frequencies that are reproducible by the subwoofer. It also helps to protect the subwoofer from being overdriven and can help to reduce distortion by reducing extreme woofer excursion. A defeatable Auto-power mode turns the amplifier on automatically when a signal is detected. The Auto- power mode can be defeated if it is desirable to use a remote AC circuit to control the amplifier power. Dual subwoofer outputs allow multiple woofers to be connected to the same amplifier without having to resort to pigtails, ...