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Фрагмент инструкции
Crossover frequencies will be deter mined by the values of the capacitors and coils in the passive crossover network (page 12) S> ISO ooo Qci(-l °oo n<"" > ooo C2^JUIR 4 Ohm Minimum page 17 INSTALLATION TIPS TOOLS OF THE TRADE Listed are the majority of the tools required to perform the installation. Having the proper tools will make the installation that much easier. Some of these tools are necessities. Some make the job much easier. marking pen electric drill with assorted drill bits utility knife Phillips and flat blade screw drivers pliers (standard and needle nose) wire brush or sandpaper for chassis grounding solder iron and solder grommets (all bits high) heat shrink tubing nylon tie straps volt-ohm meter (optional) wire cutters wire crimpers wire strippers RTA (real time analyzer) Reference CD with 1 kHz Sine Wave at OdB level CHOOSING MOUNTING LOCATIONS The location of your COBALT amplifier will depend on several important issues. Due to the low profile size of the COBALT amplifiers, there are many possible installation locations that will yield satisfactory amplifier performance. Always mount the amplifier in a place that protects the amplifier from the elements. In addition, mount the amplifier on a stable, flat mounting surface. As with any amplifier, there are several possible mounting locations and configurations that can be optimal. We will cover the most obvious of situations. PASSENGER COMPARTMENT MOUNTING If you are going to mount the amplifier in the passenger compartment, make sure you have adequate room for ventilation. The COBALT amplifiers have been designed to make possible under seat mounting. When mounting your amplifier under a seat or similar area, keep a minimum of 1 : 1 " Minimum of clearance around the amplifier for adequate cooling. TRUNK COMPARTMENT MOUNTING Mounting the COBALT amplifier in the trunk provides excellent performance as long as you do not mount the amplifier upside down or restrict the airflow around the heatsink of the amplifier. For optimal results, mount the amplifier with the cooling fins in the vertical position. This type of mounting will yield the best cooling due to the convection effect of the amplifier chassis. ENGINE COMPARTMENT MOUNTING Do not mount the COBALT amplifier in the engine compartment. The amplifier was not designed to endure the harsh environment of the exterior elements. page 19 mi GENERAL Caution: Be careful not to cut or drill into gas tanks, fuel lines, brake lines, hydraulic lines, vacuum lines, or electrical wiring when working on your vehicle. Disconnect the vehicle s ground wire at the battery before making or breaking connections to the audio system s power supply terminals. Do not use the COBALT amplifier unmounted. Failing to securely mount the amplifier can result in damage or injury, particularly in the event of an accident. An unmounted amplifier acts like a heat-seeking missile in the event of a crash. Never mount a COBALT -amplifier where it might get wet. Mount the COBALT amplifier so the wire connections will not be pulled. Route the wires where they will not be scraped, pinched or damaged in any fashion. The +12V power supply wire must be fused as close as possible to the battery terminal, ideally within 18 . Use the recommended fuse size or circuit breaker listed in the POWER CONNECTIONS section of this manual. If you need to replace the fuse plugged into the side of the COBALT amplifier, replace the fuse with the same size ATC type fuse that came with the amplifier. If you are not sure as to the correct value, refer to the POWER CONNECTIONS section of this manual for details. Using a higher current fuse may result in damage to the COBALT amplifier which is not covered under warranty. NOTE: Make sure all the equipment in the system is turned off when making or breaking connections to the HCCA input RCAs or speaker terminals. Turn on the system and slowly turn up the volume control only after double checking all wire connections. Power for systems with a single COBALT amplifier can be supplied by most any automotive electrical system. Systems with multiple amplifiers may require a higher capacity battery, alternator or the use of a storage capacitor. We strongly recommend the use of both a transient storage capacitor and an MBR70 with an extra battery in larger stereo systems. COBALT amplifiers generate a certain amount of heat as part of their normal operation. Be sure the area around the cooling fins is unobstructed to allow adequate air circulation. Remember, beach blankets, last week's laundry, school books and homework papers located on top of the amplifier does not improve air flow. PRECAUTIONS AND INSTALLATION TIPS page 20 STEP BV STEP INSTALLATION Step 1 Determine the location for the amplifier. Refer to the Mounting Locations section in this manual for detailed information. Step 2 Decide on the system configuration for your amplifier. For system suggestions, refer...
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