Page 2 - INSTALLATION; PARTS LIST
INSTALLATION WARNING: Playing loud music in an automobile can hinder your ability to hear traffic and permanentlydamage your hearing. We recommendlistening at low or moderate levelswhile driving your car. JBL accepts no liability for hearing loss, bodilyinjury or property damage resultingfrom the us...
Page 3 - DESIGNING A SPEAKER SYSTEM FOR THE GTi AMPLIFIER; SERIES CONNECTIONS
DESIGNING A SPEAKER SYSTEM FOR THE GTi AMPLIFIER NOTE: Although the JBL A6000GTi orA3000GTi amplifier will drive a systemmade up of any subwoofers, we recommend using JBL GTi subwooferswith GTi amplifiers. Both the JBL A6000GTi and A3000GTiamplifiers provide RMS power thatexceeds the RMS power-handl...
Page 4 - SUPPLYING POWER TO THE GTi AMPLIFIER; and
4 SUPPLYING POWER TO THE GTi AMPLIFIER POWER IN IS POWER OUT In order to get full power out of youramplifier, you must provide full powerto your amplifier. That’s a basic rule of physics. The A6000GTi amplifier can draw nearly 800 amperes when reproducing sine waves at full output.Both JBL A6000GTi ...
Page 5 - MAKING THE CONNECTIONS; POWER CONNECTIONS; Power wiring; SIGNAL CONNECTIONS; RJ45 Connector; Pinouts for the REMOTE LEVEL RJ45 connector on the
5 MAKING THE CONNECTIONS POWER CONNECTIONS Use 0-gauge cable to connect theamplifier’s GND – terminal directly tothe vehicle’s chassis (see Figure 5).Scrape off all paint from the metal areafor a good, clean ground connection.Make sure the ground wire is as shortas possible and is connected to metal...
Page 6 - Set Output Mode
6 MAKING THE CONNECTIONS A6000GTi SPEAKERCONNECTIONS The A6000GTi is a 2-channel amplifierdesigned to drive subwoofers only. The left and right input signals arecombined inside the amplifier to provide a mono output signal, no matter which output mode is selected. The A6000GTi can be connected to tw...
Page 7 - OUTPUT LOAD SWITCH
7 MAKING THE CONNECTIONS A3000GTi SPEAKERCONNECTIONS Included below are three applicationdiagrams that will help you plan yourA3000GTi installation. Figures 10through 12 show how to configure the JBL A3000GTi amplifier for bridged-mono, parallel-mono and 2-channel operation (also see Setting Up the ...
Page 8 - SETTING UP THE GTi AMPLIFIER; SETTING THE CROSSOVER; DBO HP FREQ Control; dB; DBO BOOST Control; (adjusts boost amount
8 SETTING UP THE GTi AMPLIFIER SETTING THE CROSSOVER IMPORTANT: If you plan to use theA3000GTi to drive full-range speakers,set the crossover mode switch to FLATand skip to the next section, “SettingInput Sensitivity.” 1. Depending on your system plan, set the A3000GTi’s crossover modeswitch to LP (...
Page 11 - TROUBLESHOOTING; SYMPTOM
11 TROUBLESHOOTING SYMPTOM LIKELY CAUSE SOLUTION No audio No voltage at power Check BATT+, REMOTE and (Power LED is off) or remote terminal GND – terminals with VOM for blown fuse or poor connection Internal fuse blown Replace internal fuse (incorrect power (see Replacing the Fuse connections) or Ne...
Page 12 - © 2004 Harman International Industries, Incorporated
JBL Consumer Products 250 Crossways Park Drive, Woodbury, NY 11797 USA © 2004 Harman International Industries, Incorporated JBL and Crown are registered trademarks of Harman International Industries, Incorporated. Part No. GTIAMPOM4/04 Features, specifications and appearance are subject to change wi...