Boston Acoustics GTA-502 用户手册
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Status LED
The Boston Logo will illuminate “Blue” under normal operating conditions.
The LED will illuminate “Red” during start-up and under fault conditions. If the
LED is still red after start-up, please refer to troubleshooting on page 12.
LED is still red after start-up, please refer to troubleshooting on page 12.
u Speaker Level Input
v RCA Input (Left and Right)
w Gain (250mv to 5.0v - continuously variable)
x Crossover Frequency Adjustment (50Hz to 200Hz - continuously variable)
y Q-Tune
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Equalization Boost (+6dB @ 45Hz)
z Crosssover Filter Switch (HP / Off / LP)
{ GTA-RSL Port (Remote Gain)
| Speaker Output Block (Left / Right) or (LF / RF / LR / RR on GTA-504)
} Status LED (Blue = Normal / Red = Fault Mode)
~ Fuse (Replace with same value only, refer to specifications on page 2)
Power Block (12v / Remote / Ground)
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GTA-502
GTA-802
GTA-504
Connections and Controls
Speaker Level Input Cable
GTA amplifiers offer a dedicated speaker level input for ease installation into
factory systems when an RCA (low level) signal is not available. Wiring code for
the cable is industry standard;
factory systems when an RCA (low level) signal is not available. Wiring code for
the cable is industry standard;
White Solid = Left Positive White w/ Black Stripe = Left Negative
Gray Solid = Right Positive Gray w/ Black Stripe = Right Negative
Warning: Do not connect both Speaker Level and RCAs into the amplifier at the
same time as damage to the amplifier may occur.
same time as damage to the amplifier may occur.