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High Performance Two and
Four Channel Amplifiers

GTA

Summary of Contents for gta-602

Page 1: ...High Performance Two and Four Channel Amplifiers GTA...

Page 2: ...4 4 Frequency Response 3dB 10Hz 50kHz 10Hz 50kHz 10Hz 50kHz Signal to Noise Ratio 90dB 90dB 90dB A Weighted THD N 1 1 1 Highpass Crossover Frequency Range 50Hz 200Hz 50Hz 200Hz 50Hz 200Hz Slope dB Per...

Page 3: ...LR RR on GTA 704 Status LED Blue Normal Red Fault Mode Fuse Replace with same value only refer to specifications on page 2 Power Block 12v Remote Ground 3 5 1 4 8 9 10 11 7 2 6 3 5 1 4 8 9 10 11 7 2...

Page 4: ...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...

Page 5: ...to 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...

Page 6: ...gnal is sent 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 ha...

Page 7: ...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 L...

Page 8: ...rs For most head 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 In...

Page 9: ...s been determined you may choose to use Q Tune to increase the bass information Q Tune will offer a 6dB bass boost centered at 45Hz which can be beneficial if more low bass output is desired To engage...

Page 10: ...ge 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...

Page 11: ...e diagram on page 3 In this setting lowpass signal is sent to the speaker outputs Experiment with the crossover point settings while the subwoofer is active A higher setting will increase the perceive...

Page 12: ...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 for application mono...

Page 13: ...en requesting service The customer s sales receipt must note the model serial number and date of purchase from an authorized Boston Acoustics dealer Excluded from the limited warranty is any damage to...

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