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GT-475
GT-4100
Controls
5
Controls
Signal Routing Switch (Sends Front RCA Signal to Rear Channels)
Front Channel Input Sensitivity (250mv to 8.0v - continuously variable)
Front Channel Highpass Frequency Adjustment (20Hz to 350Hz - variable)
Front Channel Highpass Crossover OFF/ON Switch
Front Channel Highpass Crossover Q-Tune
™
Adj. (0.707 to 1.6 - variable)
Rear Channel Stereo / Mono Switch
Rear Channel Remote Gain OFF / ON Switch (ON when using GT-RSL)
Rear Channel Channel Highpass / Lowpass Crossover Selection Switch
Rear Channel Input Sensitivity (250mv to 8.0v - continuously variable)
Rear Channel HP / LP Frequency Adjustment (20Hz to 350Hz - variable)
Rear Channel Crossover OFF/ON Switch
Fuse (replace with same value mini ANL only, refer to specifications on page 3)
13
14 15
13
14 15
Status LEDs
Red
Orange
The Boston Logo will illuminate “Red” under normal operating conditions.
The Orange LED (not visible unless lit) will illuminate during start-up and under fault conditions. If this
is illuminated after start-up, please refer to troubleshooting on page 12.