Audiovox LXA300 Operation Guide - Page 6
Crossover, Bass Boost, Input Level Control - jensen amplifier
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® BASSBOOST LEVEL OFF ON MIN MAX LPF X-OVER 50 250 HPF LPF HPF FULL 50 250 Input Level Control LEVEL The input level control matches the output of your radio to the input of the amplifier. After the installation MIN MAX is complete, make sure the input level control on the amp is turned down all the way (counterclockwise or all the way to the left). Play a tape or CD (make sure bass and treble settings or EQ are flat too) and turn the volume up slowly until you just start to hear distortion. Now back the volume down just a bit. On the amp, slowly turn up the input level control (clockwise or to the right) until you just start to hear distortion and back it down a bit. Now your radio and amplifier levels are matched. LXA300 Crossover (X-OVER) Adjust the crossover to accommodate your chosen installation method. X-OVER LPF HPF FULL • LPF-(low pass filter) only bass tones go to speakers. Use with woofers or subwoofer. • FULL-all tones go to speakers. Use with full-range speakers. • HPF-(high pass filter) blocks very low tones from the speakers. Use with 6" or smaller speakers. LPF Use LPF and HPF to adjust from 50 to 250Hz. When using your Jensen amplifier 50 250 to run a subwoofer and two full- HPF range speakers (known as Trimode or three channel operation) you will need to purchase separate 50 250 high and low pass crossovers from your local retailer. A pair of high pass crossovers for your full range speakers and a low pass filter for the subwoofer. This will allow the amplifier to work properly when installing it in Tri-mode. Failure to install these filters may damage your amplifier and/ or your speakers. Bass Boost BASSBOOST OFF ON BASS BOOST increases the volume of bass by up to 6 dB at 45Hz. 6
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