User manual ALPINE MRV-F303

[. . . ] OWNER'S MANUAL Please read this manual to maximize your enjoyment of the outstanding performance and feature capabilities of the equipment, then retain the manual for future reference. Please read this OWNER'S MANUAL thoroughly to familiarize yourself with each control and function. We at ALPINE hope that your new MRV-F353/MRV-F303/MRVT503/MRV-T303 will give you many years of listening enjoyment. In case of problems when installing your MRV-F353/ MRV-F303/MRV-T503/MRV-T303, please contact your authorized ALPINE dealer. [. . . ] ⷠIf you add an optional noise suppressor, connect it as far away from the unit as possible. Your Alpine dealer carries various Alpine noise suppressors, contact them for further information. ⷠYour Alpine dealer knows best about noise prevention measures so consult your dealer for further information. 1 RCA Subwoofer Input Jacks (CH-5) (MRV-F353 only) 2 RCA Input Jacks Connect these jacks to the line out leads on your head unit using RCA extension cables (sold separately). Be sure to observe correct channel connections; Left to Left and Right to Right. (Front to Front and Rear to Rear (except for MRVT503/MRV-T303)) 3 Pre-Out Jacks (MRV-F303 only) These jacks provide a Front + Rear summed output (Non-fading). This is an ideal output for driving a separate subwoofer amp. This output is full-range, and is not affected by the crossover. Be sure to observe correct speaker output connections and phasing. Do not use the speaker (­) terminals as a common lead between the left and right channels. Do not connect this lead to the vehicle's chassis. NOTE: Do not connect speaker leads together or to chassis ground. 6 Insulation Tube 7 Battery Lead (Yellow) Be sure to add a 5 50 amp fuse (or two 25A fuses in parallel) 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. If you need to extend this lead, the wire gauge should be 8 AWG or larger. 20A amp fuse 8 Remote Turn-On Lead (Blue/White) Connect this lead to the remote turn-on or power antenna (positive trigger, (+) 12V only) lead of your head unit. 9 Ground Lead (Black) 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. Speaker Input Leads (Except for MRV-F353) These leads are input leads 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 MRV-F353/MRV-F303/MRV-T503/MRVT303 accepts input from high power or standard power head units. [. . . ] the frequencies below the crossover point will be attenuated at 12 dB/octave. C) Set to the "OFF" position when the amplifier will be used for driving full-range LP speakers. The full frequency bandwidth will be output to the speakers with no high or low frequency attenuation. , , Crossover Frequency Adjustment Knob Permits adjustment of the crossover frequency, by rotating the knob to select any frequency between 50 to 200 Hz as the crossover point. [. . . ]