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Hersteller: Legacy Car Audio Dateigröße: 665.44 kb Dateiname: Unterrichtssprache:

Used properly, these amplifiers will provide you with years of listening pleasure. USER MANUAL table of contents 1~2SPECIFICATIONS 3 LA-478/578/778/978/1478/1878/2078/2278 FEATURES & CONTROLS 4 LA-678/878 FEATURES & CONTROLS 5 LA-2478 FEATURES & CONTROLS 6 ELECTRICAL WIRING, INSTALLATION & SETUP 7 2 CH STEREO INPUT CONNECTIONS 8 4 CH STEREO INPUT CONNECTIONS 9 BRIDGED INPUT CONNECTIONS 11 BASIC STEREO SPEAKER CONNECTIONS 12 MONO-BRIDGED SPEAKER CONNECTIONS 13 MONO BLOCK INPUT & SPEAKER CONNECTIONS 14 TROUBLESHOOTING Specifications OUTPUT POWER RMS @ 4 OHMS RMS @ 2 OHMS MAX OUTPUT BRIDGE MODE FREQUENCY RESPONSE INPUT IMPEDANCE LOW LEVEL INPUTS HIGH LEVEL INPUTS INPUT SENSITIVITY LOW LEVEL INPUTS HIGH LEVEL INPUTS POWER SUPPLY VOLTAGE MATCHING SPEAKER IMPEDANCE STEREO MODE BRIDGED MODE MAXIMUM CURRENT DRAW DIMENSIONS, W x H x L, inches (mm) NET WEIGHT, LBS (KG) LA-778 2CH amplifier 2 X 75W 2 X 125W 2 X 500W 1 X 1000W 2-4 OHMS 4-8 OHMS 20 A 12.2 X 2 X 12 (309 X 53 X 305) 7.6(3.46) LA-578 2CH amplifier 2 X 50W 2 X 75W 2 X 400W 1 X 800W 2-4 OHMS 4-8 OHMS 15 A 12.2 X 2 X 9.25 (309 X 53 X 235) 5.9(2.67) specsFeatures and Specifications LA-478 2CH amplifier 2 X 40W 2 X 60W 2 X 300W 1 X 600W 10Hz-30 kHz 10 k-Ohms 100 Ohms 250 mV 2.5V 14.4 VDC/NEG GD (10.5-16V) 2-4 OHMS 4-8 OHMS 15 A 12.2 X 2 X 8.25 (309 X 53 X 209) 5.2(2.37) 1 LA-678 4CH amplifier 4 X 35W 4 X 55W 4 X 250W 2 X 250W+500W OR 2 X 500W 2-4 OHMS 4-8 OHMS 20 A 12.2 X 2 X 12 (309 X 53 X 305) 7.7(3.5) LA-878 4CH amplifier 4 X 50W 4 X 60W 4 X 400W 2 X 400W+800W OR 2 X 800W 2-4 OHMS 4-8 OHMS 40 A 12.2 X 2 X 15 (309 X 53 X 381) 9.1(4.4) · Phase Control 0-180 degree · Remote Bass Control · Input Impedance : 10K Ohms · Soft Turn On/Off · Advanced Protection Circuitry · S/N Ratio:>90dB LA-2478 also feature: Legacy American Amplifier Features · Mono Block Subwoofer Amplifier · 2 Ohm Stable · MOSFET Power Supply · Gold Plated RCA Inputs for Line Input & Bypass Output. · Gold Plated Terminals for Speaker Output and Power Input. · Thermal, Overload and Short Protection · Variable Sub-sonic Filter (15Hz~40Hz, 24dB/Octave) · Variable Low-pass Filter (20Hz~250Hz, 24dB/Octave) · Phase Control 0-180 degree · Remote Bass Control · Input Impedance : 10K Ohms · Soft Turn On/Off · Advanced Protection Circuitry · S/N Ratio:>90dB LA-2478 also feature: Legacy American Amplifier Features · Mono Block Subwoofer Amplifier · 2 Ohm Stable · MOSFET Power Supply · Gold Plated RCA Inputs for Line Input & Bypass Output. · Gold Plated Terminals for Speaker Output and Power Input. · Thermal, Overload and Short Protection · Variable Sub-sonic Filter (15Hz~40Hz, 24dB/Octave) · Variable Low-pass Filter (20Hz~250Hz, 24dB/Octave) 3 Protection LED Indicator The protection circuitry in the amp will disable it if it senses an input overload, speaker short circuit, or thermal overload conditions. Should this occur, the PROTECT LED will be illuminated. At that time, it is important that you check to determine what has caused the protection...

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