User manual ALPINE MRX-M240

[. . . ] Arrange wiring and cables in compliance with the manual to prevent obstructions when driving. Cables or wiring that obstruct or hang up on places such as the steering wheel, gear lever, brake pedals, etc. Doing so will exceed the current carrying capacity of the wire and result in fire or electric shock. When drilling holes in the chassis for installation, take precautions so as not to contact, damage or obstruct pipes, fuel lines, tanks or electrical wiring. [. . . ] € If you add an optional noise suppressor, connect it as far away from the unit as possible. Your Alpine dealer carries various noise suppressors, contact them for further information. € Your Alpine dealer knows best about noise prevention measures so consult your dealer for further information. a Speaker Output Terminals The MRX-M240 has one set of speaker outputs. Be sure to observe correct speaker output connections and polarity in relation to the other speakers in the system. Connect the positive output to the positive speaker terminal and the negative to negative. Do not connect the speaker (–) terminal to the vehicle’s chassis. NOTES: • Do not connect speaker leads together or to chassis ground. € Reversing subwoofer polarity may be desirable in some installations for optimum bass performance. C Power Supply Terminal d Remote Turn-On Lead (Sold Separately) Connect this lead to the remote turn-on (positive trigger, (+) 12V only) lead of your head unit. If a remote turn-on lead is not available, see Connection Checklist section on page 11 for alternative method. Note: If using speaker input level signal from the head unit, remote turn-on lead connection is not necessary due to automatic signal detection. E Battery Lead (Sold Separately) Be sure to add an in-line fuse with the battery lead as close as possible to the battery’s positive (+) terminal. This fuse will protect your vehicle’s electrical system in case of a short circuit. Consult the table below for appropriate fuse value and minimum wire gauge requirement. 175 amp fuse, 1/0AWG/53mm2 f Ground Lead (Sold Separately) Connect this lead securely to a clean, bare metal spot on the vehicle’s chassis. Verify this point to be a true ground by checking for continuity between that point and the negative (–) terminal of the vehicle’s battery. Ground all your audio components to the same point on the chassis to prevent ground loops while keeping wire length as short as possible. G Speaker Level Input Connector These input leads are for use with head units not equipped with preamp outputs. When not using the RCA Line Input connectors, you should connect these wires to the speaker output leads of your head unit. The MRX-M240 accepts input from high power or standard power head units. € For the “Speaker Level Input System” setting, connecting the Remote Turn-On Lead is not required due to the “REMOTE SENSING” function of this product. [. . . ] In such a case, connect the Remote Turn-On Lead to an incoming power supply cord (accessory power) in the ACC position. However, all speaker input leads (FL/FR/RL/RR) may be connected to prevent zero output when the head unit fader is adjusted. 4V at <1% THD+N Ref: 10W into 4Ω THD+N Ref: 1400W into 4Ω Ref: 10W into 2Ω Ref: 2000W into 2Ω IHF A-wtd + AES-17, Ref: 1W into 4Ω S/N Ratio IHF A-wtd + AES-17, Ref: Rated Power into 4Ω +0/-3 dB, Ref: 1W into 4 ohms +0/-1 dB, Ref: 1W into 4 ohms Ref: 10W into 4Ω at 100 Hz RCA Input Speaker Level Input RCA Input, Ref: Rated Power into 4Ω Speaker Level Input Ref: Rated Power into 4Ω Variable LPF (-24 dB/oct. 8lbs) 0, 25-10, 0 V Sensibilidad de entrada Crossover 0, 25-10, 0 V 50-400Hz 5-30Hz 0 à +12dB 30-80Hz 4V max 0 à -20dB 462mm (18”) 58mm (2-1/4”) 230mm (9”) 5, 4kg (11, 8lbs) Peso Dimensiones Transfert 50-400Hz 5-30Hz 0 a +12dB 30-80Hz 4V max Crossover Égaliseur Sortie du préamplificateur Niveau distant* Transmisión de Salida de entrada Ch 1/2, con preamplificación búfer Nivel remoto* Atenuación lineal *Requiere RUX-KNOB opcional Ancho Altura Profundidad 0 a -20dB 462mm (18”) 58mm (2-1/4”) 230mm (9”) 5, 4kg (11, 8lbs) NOTE: Specifications and design are subject to change without notice. [. . . ]