MA6004 MA6002 MARINE AUDIO POWER AMPLIFIER OWNER’S MANUAL www.jbl.com The Official Brand of Live Music.
INSTALLATION THANK YOU for purchasing a JBL marine amplifier. In order that we may better serve you should you require warranty service for your new amplifier, please retain your original purchase receipt and register your new JBL amplifier online at www.jbl.com. WARNING Playing loud music in a boat can hinder your ability to hear other boats, passengers and nearby swimmers and can permanently damage your hearing. We recommend listening at low or moderate levels while operating your boat.
INSTALLATION POWER CONNECTIONS The amplifier requires a reliable connection to the boat’s electrical system in order to perform optimally. See Figures 1 and 2 for terminal connection locations. Please adhere to the following instructions carefully: Ground Connection Connect the amplifier’s Ground (GND) terminal to the battery’s negative terminal, using a ring terminal. Refer to the wire gauge chart to determine minimum wire gauge size.
APPLICATIONS – MA6004 The MA6004 can be set up for stereo 4-channel, 3-channel or bridged 2-channel operation, as shown in Figures 4 through 6. Front Left Front Right Figure 4. MA6004 amplifier in 4-channel (stereo) operation to drive front and rear full-range speakers. NOTE: For simplicity, Figures 4 through 6 do not show power, remote and input connections. Rear Left Rear Right Front Left Front Right NOTE: Minimum speaker impedance for stereo operation is 2 ohms.
APPLICATIONS – MA6002 Figure 7. MA6002 used in 2-channel (stereo) Left Right operation to drive a set of full-range speakers. Left Right Figure 8. MA6002 used in bridge mode to drive a subwoofer.
CONTROLS AND SETUP TROUBLESHOOTING SETTING THE CROSSOVER(S) Determine your system plans and set the crossover mode switch accordingly. If your system design does not include a subwoofer with the MA6004, set the crossover mode to FLAT; if you are using speakers that are 5 inches in diameter or larger, skip to “Setting Input Sensitivity.” SYMPTOM No audio (POWER LEDs are off) Initially set the crossover frequency control midway.
SPECIFICATIONS MA6004 • 60W RMS x 4 channels at 4 ohms and ≤1% THD + N • Signal-to-noise ratio: 80dBA (reference 1W into 4 ohms) • 80W RMS x 4 channels at 2 ohms, 14.4V supply and ≤1% THD + N • 160W RMS x 2 channels at 4 ohms, 14.4V supply and ≤1% THD + N • Dynamic power: 145W at 2 ohms • Effective damping factor: 6.395 at 4 ohms • Frequency response: 10Hz – 27kHz (–3dB) • Maximum input signal: 6V • Maximum sensitivity: 100mV • Output regulation: – 0.
Declaration of Conformity JBL Consumer Products 250 Crossways Park Drive Woodbury, NY 11797 USA www.jbl.com © 2006 Harman International Industries, Incorporated. All rights reserved. JBL and Harman International are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries. Part No.
