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Legacy Car Audio L A 7 7 0 manual

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Table of contents for the manual

  • Page 1

    LA370 LA470 LA570 LA670 LA770 LA870 LA970 LA1470 LA1870 LA2070 W ARRANTY LEGACY SOUND CORP . warrants this unit to be free from defective material or workmanship and will repair or replace this unit or any part thereof if it proves defective in normal use or service within two (2) years from the date of original purchase. Our obligation under this [...]

  • Page 2

    LA 470 2CH amplifier LA 570 2CH amplifier 2 X 40W 2 X 60W 2 X 250W 1 X 500W 10-30 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 10.4 X 2.6 X 10.5 (264 X 66 X 268) 7.3 (3.3) LA 670 4CH amplifier 4 X 35W 4 X 55W 4 X 250W 2 X 500W (2 X 250W+1X500W) 2-4 OHMS 4-8 OHMS 20 A 10.4 X 2.6 X 14 (264 X 66 X 358) 9.7 (4.4)[...]

  • Page 3

    400 W x 4C H L A870 L A870 LA 670/870 Features and Contr ols 3 LA370/470/570/770/970/1470/1870/2070 Features and Contr ols 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 tha[...]

  • Page 4

    inputs Electrical Wiring and Installation Low Level Stereo Input Connection High Level Stereo Input Connection LA 370 LA 470 LA 570 LA 770 LA 970 LA 1470 LA 1870 LA 2070 Input Connections 2CH AMPS Making Power Connections 1. Connect the +12V terminal directly to the car battery (+) terminal. 2. Connect the GROUND terminal directly to the car batter[...]

  • Page 5

    7 inputs Input Connections Input Connections LA 670 LA 870 4CH AMPS Low Level 4 CH Stereo Input from 2 CH Audio Sour ce Low Level 4 CH Stereo Input from 4 CH Audio Sour ce LA 670 LA 870 4CH AMPS High Level 4 CH Stereo Input from 4CH Audio Sour ce floating ground connection High Level 4 CH Stereo Input from 4CH Audio Sour ce common ground connect[...]

  • Page 6

    speakers Speaker Connections Input Connections Bridged Input Connection 4 CH Bridged Input from 2 CH Audio Sour ce CH1+2 = Left Channel CH3+4 = Right Channel Basic Stereo Output Basic 4CH Output 9 head unit Y adaptors to a second amplifier Left Output Right Output FRONT speakers REAR speakers L R R L LEFT speaker RIGHT speaker 2CH AMPS LA 670 LA 87[...]

  • Page 7

    tr oubleshooting T roubleshooting Speaker Connections 2 CH Mono-Bridged Output Bridged Mono Output 2 CH Stereo plus Mono-Bridged Subwoofer Output TROUBLESHOOTING 11 Amplifier will not power up. • Check for good ground connection. • Check that remote DC terminal has at least +12v DC. • Check that there is battery power on the + terminal. • C[...]