User manual JBL CS300.1

[. . . ] · Turn off the audio system and other electrical devices before you start. Disconnect the (­) negative lead from your vehicle's battery. · At the installation sites, locate and make a note of all fuel lines, hydraulic brake lines, vacuum lines and electrical wiring. [. . . ] Be sure to use appropriate grommets whenever routing wires through the firewall or other sheet metal. Failure to adequately protect the positive wire from potential damage may result in a vehicle fire. When you are done routing and connecting this wire, you may install the fuse at the battery. Remote Connection Connect the amplifier's Remote (REM) terminal to the source unit's Remote TurnOn lead using a minimum of 18-gauge wire. NOTE: If your source unit does not have a remote turn-on connection, connect the amplifier's (REM) terminal to the vehicle's accessory circuit. Speaker Connections Refer to the application guides on the pages that follow. Wire Gauge Chart Amplifier Maximum Minimum Model Current Draw Wire Gauge CS60. 2 22A #8 AWG CS60. 4 40A #8 AWG CS300. 1 42A #8 AWG These recommendations assume 10' ­ 12' wire runs. If your installation differs markedly, you will need to adjust the wire gauge accordingly. Figure 1. Terminal connection end plate for CS60. 2. 3 APPLICATIONS ­ CS300. 1 The CS subwoofer amplifier is a single-channel amplifier. There are two sets of terminals to make it easy to connect multiple woofers. Either set of (+/­) terminals may be used when connecting woofers. To the right are two application diagrams to help plan your subwoofer system installation. Figures 4 and 5 show how to configure the CS300. 1 subwoofer amplifier. NOTE: For simplicity, Figures 4 and 5 do not show power, remote and input connections. [. . . ] Initially turn the INPUT LEVEL control(s) to minimum (counter clockwise). Slowly increase the INPUT LEVEL control(s) toward three o'clock until you hear slight distortion in the music. Then reduce the INPUT LEVEL slightly until distortion is no longer heard. [. . . ]