User manual DLS CA30ENG

[. . . ] Overheating can also be caused by an impedance load below the level permitted. Signal lead plugs and cables. Installation Before you begin installation Before you begin you need to read the manual, to have some tools, cables and other material available. There is one such list of material on the following page. Amplifier location Important Allow air circulation around the amplifier. The DLS Classic series of amplifiers have a compact design that allows great flexibility in mounting. When you select a location, do remember that the amplifier generates a lot of heat. [. . . ] Thus we recommend to use a separate remote wire and run the RCA lead separate from remote wire, power cables and speaker cables. You can either use a crimp fork terminal or insert the cable directly into the amplifier terminal. If there is no remote voltage available from the stereo, you must connect to the ignition key through the radio or any accessories fuse. For High Level input: We recommend you to connect the remote wire as described above. You must set the Hi level/Low level switch to Low level position in this case. In the case that there is no remote voltage available from the car stereo or you want to simplify the installation, the amplifier can be turned on/ turned off by the high level input voltage. This is done when the Hi level/Low level switch is set to Hi level position. There is a small disadvantage that this function gives soft turn off operation but some plop sound when switching off. +12V REM GND DLS DLS FH 1B fuse holder Connect the battery cable by a crimp fork terminal ( spade ) to the +12 Volt on the amplifier. Be sure to use a rubber grommet or a plastic insulating tube where the cable passes the firewall or other places when it can easily be jammed. Use ty-wraps to secure to existing cables in the engine compartment. Ground Terminal ( GND ) Connect to a good chasis ground. The ground connection should be clean, unpainted metal to provide a good electrical connection. Use a wire brush, a scraper or a piece of an abrasive sheet to clean the metal. Protect with silicon grease or by paint applied afterwards. +12V REM GND Fuses Use only 30 ampere ATC blade type fuses. CA 30 uses two 30 ampere fuses. 30A Power Light / Protect light Power (Green) Protect (Red) The power light (green ) comes on when the amplifier is turned on. The protect light ( red ) comes on when the amplifier shuts down from overheating, or a short circuit ( speaker failure) 4 CA30 Input and controls Input Level control Input Wiring Inputs may be low level from the RCA output of the car stereo or high level from the car stereo speaker output. Low level = RCA is to prefer for the best sound quality. Important Use either the low level or the high level input, do not use both at same time. Low level input Use a pair of shielded stereo audio cables with RCA type jack. Most trunk-mount amplifiers need a 20 feet RCA cable ( appr 5 ­ 6 meters). Most under the seat installations require 12 feet ( 2 ­ 3 meters) RCA cables. Avoid placing the RCA cable close to speaker cables, power cables and remote control cable. Connect a separate RCA cable for channel C or set the Parallel input connector in position PC. High Level Input Connect left and right speaker wires coming from the car stereo to the high level input as shown. [. . . ] Tap the + wire on to the + terminal of the battery, and observe the movement of the cone. The cone should move outwards when the wire touches the battery, and inwards when the battery is removed. If it is the other way around, the speaker has been connected backwards and it must be removed and connected correctly. If your system also has a subwoofer connected through a passive 6 or 12 dB crossover, try to connect this with various polarity and judge what sounds best. [. . . ]