Boston Mobile Audio GTA-1005 User Manual Download | Manualshive

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Summary of Contents for GTA-1005

Page 1: ...High Performance 5 Channel Amplifier GTA ...

Page 2: ... N A 4 Ohm Mono 160 Watts x 2 250 Watts x 1 2 Ohm Mono N A 400 Watts x 1 Impedance Stability 2Ω St 4Ω Mono 2Ω Frequency Response 3dB 10Hz 50kHz 10Hz 150Hz Signal to Noise Ratio 90dB 90dB A Weighted THD N 0 05 0 05 Highpass Crossover Frequency Range 50Hz 200Hz 10Hz 50Hz Slope dB Per Octave 12dB 12dB Lowpass Crossover Frequency Range 50Hz 200Hz 50Hz 150Hz Slope dB Per Octave 12dB 12dB Signal Voltage...

Page 3: ...50Hz cont variable GTA RSL Port Remote Gain Speaker Output Block Front and Rear Speakers Speaker Output Block Subwoofer Status LED Blue Normal Red Fault Mode Fuses Replace with same value only refer to specifications on page 2 Power Block 12v Remote Ground 13 14 15 13 14 15 13 14 15 13 14 15 4 4 7 1 2 6 12 10 11 13 14 9 2 1 3 5 4 1 2 3 5 8 Connections and Controls Speaker Level Input Cable GTA amp...

Page 4: ...l system Wire Routing Do not run the power wire near any low level signals or audio cables such as the RCAs from the head unit Noise can be introduced into the amplifier when this occurs It is helpful to diagram the wire layout first before any installation is initiated Choose the Mounting Location Plan your installation so that the amplifier is mounted where adequate ventilation is available Neve...

Page 5: ...n Tighten the 12v and GND terminals with the supplied 4mm hex wrench to secure the wire into the terminals If the power wire must be routed through a drilled or existing hole use a nylon panel grommet to prevent the insulation from fraying Failure to do so could lead to an electrical short if the wire insula tion is worn through and the power wire is shorted to ground Remote Input Connection Conne...

Page 6: ...ent to the speaker outputs If over excursion is detected from speakers move the switch to HP and slowly rotate clockwise until over excursion is eliminated 4 Head Unit The head unit should have all controls such as bass treble balance and fader set to the flat or centered position The volume control should be at the minimum setting If the head unit has any equalization or bass management features ...

Page 7: ... Rotate the crossover control fully clockwise refer to the diagram on page 3 The highpass crossover point is now set at 200Hz Q Tune should be set to off Slowly rotate the input sensitivity control clockwise until maximum undistorted playing level is heard from the speakers Listen closely for bottoming from the speakers If detected rotate the input sensitivity control counterclockwise until it is ...

Page 8: ...ead units this will be at the end of the volume control range WARNING A distorted signal from the head unit sent to the amplifier can cause speaker failure at higher listening levels 3 Input Sensitivity Control Gain Turn control refer to the diagram on page 3 all the way counterclockwise minimum position In this position the amplifier will be less sensitive to the input signal from the head unit S...

Page 9: ...ls You may find while setting the Q Tune that over excursion may be detected in the subwoofer s lowering the Q Tune input sensitivity or raising the highpass crossover point will eliminate this Minor adjustments to each setting are required to fine tune the sys tem Setting the Q Tune is a subtle process It is recommended that the Q Tune set ting be left in the 0 7 position and adjusted only after ...

Page 10: ...alongside power Amplifier Output Distorted Music not Recorded with Intentional Distortion Verify Source output to amplifier is not distorted Amplifier input sensitivity is correctly adjusted Amplifier Shutting Down RED LED Lit Amplifier in Thermal Protection Mode Verify Amplifier is mounted with adequate space around heatsink Amplifier is not mounted under carpet Speakers meet correct impedance fo...

Page 11: ...Notes 11 ...

Page 12: ...ne is a trademark of Boston Acoustics Inc Specifications are subject to change without notice 2009 Boston Acoustics Inc All rights reserved Covered by patents issued and or pending 142 003822 0 Boston Acoustics Inc 300 Jubilee Drive Peabody MA 01960 USA T 978 538 5000 F 978 538 5100 W bostonacoustics com car ...

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