Legacy Car Audio L A 8 7 0 user manual

Summary of the content on the page No. 1

MANUFACTURER’S LIMITED TWO YEAR
WARRANTY
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 warranty is limited to repairing or replacing, at our discretion, the defective instrument
LA370
or any part thereof when it is returned, transportation prepaid to the Legacy Servi

Summary of the content on the page No. 2

Legacy Red Series 2 Amplifier Features all amps feature: • Polished chrome finish w/plexiglass panel • Fully adjustable electronic crossover network • Soft turn on/off circuit • Remote control Bass boost ( 0 – +18dB @ 60Hz ) • Variable gain control • 2 ohm stereo stable • Remote turn on/off • Bridgeable into 4 ohms • Hi/low level inputs • MOSFET PWM power supplies • Power on LED indicator • LED protection indicator Congratulations on your purchase of a new Legacy Red Series 2 ampl

Summary of the content on the page No. 3

1 Speaker Terminals 1 Speaker Terminals These terminals are 14K Gold plated for high conductivity These terminals are 14K Gold plated for high conductivity and minimum impedance loss. The terminals face and minimum impedance loss. The terminals face upwards for easy wiring in tight situations. upwards for easy wiring in tight situations. 2 Fuse 2 Fuse Protects the amplifier as well as the automobile electrical Protects the amplifier as well as the automobile electrical system from short circu

Summary of the content on the page No. 4

LA370 LA470 Making Power Connections Low Level Stereo Input Connection 1. Connect the +12V terminal directly to the car battery (+) terminal. LA570 2. Connect the GROUND terminal directly to the car battery (-) LA770 terminal OR to a good clean, paint-free chassis ground point. 3. To ensure a good ground, and to prevent “motor-boating” noise LA970 in the system, make an additional connection from the car battery to remote turn-on (-) terminal to the chassis of the stereo unit, using 12 gauge

Summary of the content on the page No. 5

LA670 LA670 LA870 LA870 4CH AMPS 4CH AMPS Low Level 4 CH Stereo Input High Level 4 CH Stereo Input wiring harness from 2 CH Audio Source from 4CH Audio Source floating ground connection Left Output head unit head unit orange orange R L R L black black black black Right Output orange orange Y adaptors REAR FRONT 7 Low Level 4 CH Stereo Input High Level 4 CH Stereo Input from 4 CH Audio Source from 4CH Audio Source common ground connection head unit L + R Front Outputs head unit L + R Rear Output

Summary of the content on the page No. 6

LA370 LA370 LA470 LA470 LA570 LA570 LA770 LA770 Bridged Input Connection Basic Stereo Output LA970 LA970 to a second LA1470 LA1470 amplifier LA1870 LA1870 head unit LA2070 LA2070 2CH AMPS 2CH AMPS LEFT speaker RIGHT speaker Y adaptors 9 LA670 LA670 LA870 LA870 4CH AMPS 4CH AMPS 4 CH Bridged Input Basic 4CH Output from 2 CH Audio Source CH1+2 = Left Channel CH3+4 = Right Channel Left Output head unit R L R L Right Output FRONT REAR speakers speakers Y adaptors Speaker Connections Input Connecti

Summary of the content on the page No. 7

LA370 LA470 LA570 LA670 LA770 LA870 4CH AMPS LA970 Bridged Mono Output 2 CH Stereo plus Mono-Bridged LA1470 Subwoofer Output speakers LA1870 MINIMUM MINIMUM SPEAKER SPEAKER LA2070 IMPEDANCE IMPEDANCE 4 OHMS! 2CH AMPS L R speaker 4 OHMS! Mono Subwoofer 11 TROUBLESHOOTING Before removing your amplifier, refer to the list below Amplifier will not power up. and follow the suggested procedures. Always test the • Check for good ground connection. speakers and their wires first. • Check that remot