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THANK YOU for purchasing a JBL Grand Touring ® Series II 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 return the...
We recommend listening at low or moderate levels while driving your car. JBL accepts no liability for hearing loss, bodily injury or property damage resulting from the use or misuse of this product.
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NOTE: Minimum speaker load is 2 ohms. APPLICATIONS – GTO75.2 The JBL GTO75.2 amplifier can be set up for stereo or bridged-mono operation, as shown in Figures 4 and 5. LP FLAT...
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APPLICATIONS – GTO75.4 The GTO75.4 can be set up for stereo 4-channel, 3-channel or bridged 2-channel operation, as shown in Figures 6 through 8. NOTE: For simplicity, Figures 6 through 8 do not show power, remote and input connections. NOTE: Minimum speaker impedance for stereo operation is 2 ohms.
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APPLICATIONS – GTO755.6 The GTO755.6 can be configured for Rear Subwoofer Right 6-channel, 5-channel or 3-channel – – operation, as shown in Figures 9 through 11. Input Mode Switch: • Use INT (internal mode) to send a signal from the front and rear inputs to the subwoofer.
INSTALLATION AND SETUP SETTING THE CROSSOVER(S) Determine your system plans and set the crossover mode switch accordingly. If you plan to use the GTO75.2 to drive full-range speakers, set the crossover mode to FLAT and skip to “Setting Input Sensitivity. ” Initially set the crossover frequency control midway.
INSTALLATION AND SETUP Figure 13. Installing neon tubes in a JBL GTO amplifier. TROUBLESHOOTING SYMPTOM LIKELY CAUSE SOLUTION No audio No voltage at BATT+ Check voltages at (POWER LED or REM terminals, amplifier terminals is off) or bad or no ground...