Instruction/ maintenance manual of the product LA-678 Legacy Car Audio
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LA-478 LA-578 LA-678 LA-778 LA-878 LA-978 LA-1478 LA-1878 LA-2078 LA-2278 LA-2478 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.
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.
3 LA- 978 2CH amplifier 2 X 100W 2 X 150W 2 X 600W 1 X 1200W 2-4 OHMS 4-8 OHMS 30 A 12.2 X 2 X 13.5 ( 309 X 53 X 343) 8.2(3.73) LA- 1478 2CH amplifier 2 X 125W 2 X 200W 2 X 800W 1 X 1600W 2-4 OHMS 4-8 OHMS 30 A 12.2 X 2 X 15 ( 309 X 53 X 381) 8.8 (4.0) LA- 1878 2CH amplifier 2 X 150W 2 X 225W 2 X 1000W 1 X 2000W 2-4 OHMS 4-8 OHMS 40 A 12.
5 Adjustable from 20Hz to 250Hz with a slope of 24dB per octave.This allows for the adjustment of the upper point of the frequency bandwidth and the respective subwoofer . LA -2478 Features and Contr ols 11 10 9 8 7 6 5 4 3 2 1 12 Power LED Indicator This LED is illuminated when the REMOTE ON system is turned on.
to remote turn-on +12V head unit 1 2V battery LA- 478 LA- 578 LA- 778 LA- 978 LA- 1478 LA- 1878 LA- 2078 LA- 2278 2CH AMPS 7 inputs Input Connections Low Level Stereo Input Connection L/R audio output.
9 inputs Input Connections Low Level 4 CH Stereo Input from 2 CH Audio Sour ce Low Level 4 CH Stereo Input from 4 CH Audio Sour ce Left Output Right Output L + R Front Outputs L + R Rear Outputs input.
11 Basic Stereo Output Basic 4CH Output FRONT speakers REAR speakers L R R L LEFT speaker RIGHT speaker High Level 4 CH Stereo Input from 4CH Audio Sour ce floating ground connection wiring harness L .
13 inputs/Speaker Low Level Stereo Input Connection Input Connections/Speaker Connection 2 CH Mono-Bridged Output speakers L R MINIMUM SPEAKER IMPEDANCE 4 OHMS! MONO CHANNEL AMPS LA- 2478 Bridged Mono.
tr oubleshooting T roubleshooting 15 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. • Check all fuses. • Check that Protection LED is not lit.
An important point after buying a device Legacy Car Audio LA-678 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Legacy Car Audio LA-678 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Legacy Car Audio LA-678 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Legacy Car Audio LA-678 you will learn all the available features of the product, as well as information on its operation. The information that you get Legacy Car Audio LA-678 will certainly help you make a decision on the purchase.
If you already are a holder of Legacy Car Audio LA-678, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Legacy Car Audio LA-678.
However, one of the most important roles played by the user manual is to help in solving problems with Legacy Car Audio LA-678. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Legacy Car Audio LA-678 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
