Power Acoustik LFA-5500 Owner's Manual

Power acoustik lfa-5500: user guide

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Page 2 OWNERS MANUAL LFA4-840 / LFA4-1200 / LFA4-1600 LFA1-2000D / LFA1-4000D / LFA1-5500D LFA2-420 / LFA2-600 / LFA2-800 LFA2-1250 / LFA2-1800 / LFA2-2200 / LFA2-2600...
Page 4 In the interest of safety, Power Acoustik recommends listening at lower volume levels while driving.
Page 5: Table Of Contents
TABLE OF CONTENTS PLANNING YOUR SYSTEM ... WIRING CONNECTION ... CONTROL FUNCTIONS ... SPEAKER CONNECTION MONO CHANNEL ... TROUBLE SHOOTING GUIDE ... SPECIFICATION ... WARNING ... PLANNING YOUR SYSTEM Before beginning the installation, consider the following: 1. Do you plan to add additional mobile electronics equipment in the future? If you plan to expand your system by adding other components sometime in the future, ensure adequate space is left and cooling requirements are met.
Page 6 CONNECTING THE POWER (Fig.1) CAUTION: AS A PRECAUTION, DISCONNECT THE POWER WIRE FROM THE BATTERY WHILE MAKING THE POWER AND GROUND CONNECTIONS TO THE AMPLIFIER. 4/8 GAUGE(Thicker if planning for additional Amplifiers) wire is recommended for both the power and ground wires. 12 Gauge, for the remote turn-on wire. Both types are available at most Mobile Audio Dealers or Installation Shop.
Page 7 Auxiliary outputs The Auxiliary outputs offer Power Acoustik amplifiers easy, unlimited system expansion. Route RCA's from the line out of the first amplifier to the line input of a second amplifier when using a single source output.
Page 8: Input Mode
CONTROLS High pass x-over frequency control This control is used to select the desired high pass x-over frequency. LFA2-420/LFA2-600/LFA4-840/LFA4-1200/LFA4-1600 : The frequency can be adjusted between 40Hz and 250Hz. LFA2-800/LFA2-1250/LFA2-1800/LFA2-2200/LFA2-2600 : The frequency can be adjusted between 50Hz and 500Hz. Low pass x-over frequency control This control is used to select the desired low pass x-over frequency.
Page 9 CONTROLS Will illuminate GREEN to indicate the amplifier is on and operating normally, and will be illuminated RED if the amplifier shuts down due to short circuit, DC offset, or overheating detected by on board protection circuitry. REMOTE Controls the subwoofer amplifier gain, from a remote location for ease of adjustment during listening.
Page 10 MASTER MODE CONFIGURATION LFA1-2000D / LFA1-4000D / LFA1-5500D 1.Lowest Recommended Impedance is 1ohm mono. 2.RCA Inputs are connected to both Left and Right channels 3.Gain controls to be set match input source 4.Line Output configured for stereo operation - 8 -...
Page 11 STRAPPED CONFIGURATION LFA1-2000D / LFA1-4000D / LFA1-5500D STRAPPED 2-4ohms 1.Lowest Recommended Impedance is 2ohm Stereo 2.RCA Inputs are connected to both Left and Right channels 3.Gain controls to be set match input source 4.Line Output is configured summed bridged which is ideal for subwoofer applications - 9 -...
Page 12: Channel Stereo Configuration
2 CHANNEL STEREO CONFIGURATION HEAD UNIT FRONT PANEL 1.Lowest Recommended Impedance is 2ohm Stereo 2.RCA Inputs are connected to both Left and Right channels 3.Gain controls to be set match input source 4.Line Output configured for stereo operation 2 CHANNEL BRIDGED CONFIGURATION HEAD UNIT FRONT PANEL 1.Lowest recommended impedance is 4ohm bridged mono...
Page 13: Channel Tri Mode Configuration
2 CHANNEL TRI MODE CONFIGURATION LFA2-420 / LFA2-600 / LFA2-800 / LFA2-1250 / LFA2-1800 / LFA2-2200 / LFA2-2600 HEAD UNIT FRONT PANEL 1.Lowest Recommended Impedance is 4ohm Stereo 2.RCA Inputs are connected to both Left and Right channels 3.Output configured for stereo operation - 11 -...
Page 14 4 CHANNEL STEREO CONFIGURATION LFA4-840 / LFA4-1200 / LFA4-1600 HEAD UNIT 1.Lowest Recommended Impedance is 2ohm Stereo 2.RCA Inputs are connected to both Left and Right channels 3.Gain controls to be set match input source 4.Line Output configured for stereo operation - 12 -...
Page 15 4 CHANNEL BRIDGED CONFIGURATION LFA4-840 / LFA4-1200 / LFA4-1600 HEAD UNIT 1.Lowest recommended impedance is 4ohm bridged mono 2.RCA Inputs are connected to both Left &Right channels 3.Line Output configured forstereo operation - 13 -...
Page 16 4 CHANNEL TRI MODE CONFIGURATION LFA4-840 / LFA4-1200 / LFA4-1600 HEAD UNIT 1.Lowest Recommended Impedance is 4ohm Stereo 2.RCA Inputs are connected to both Left and Right channels 3.Output configured for stereo operation WOOFER 4-8 Ohms 4-8 Ohms WOOFER - 14 - 4-8 Ohms 4-8 Ohms...
Page 17: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE SYMPTOMS CHECK POINTS Is the power NO SOUND LED illuminated? No power to power wire AMP NOT No power to remote SWITCHING wire with receiver on Fuse broken Check speaker leads NO SOUND Check audio input IN ONE leads CHANNEL Check speaker load...
Page 18: Specification
SPECIFICATIONS - 16 -...
Page 19: Specification
SPECIFICATIONS - 17 -...
Page 20: Warning
Investigate the layout of your automobile throughly before drilling or cutting any holes. Take care when to work near the gas tanks, lines, or hydraulic lines, and electrical wiring. Don't use power amplifier unmounted. Attach this system securely to the automobile to prevent damage, particularly in the event of an accident.

This manual is also suitable for:

Lfa1-2000d Lfa2-1800 Lfa2-420 Lfa2-600 Lfa2-2200 Lfa2-800 ... Show all