1
2
3
4
7 985 6
10
10
1 4 7985 6
10
10
1
2
3
4
7 985 6
1
2
3
4
7 985 6
GT-2300
GT-2200
GT-2125 GT-275
Controls
5

Controls

uStereo/Mono Switch
vRemote Gain OFF/ON Switch (ON when using GT-RSL)
wLowpass Slope Switch (12dB Stereo, 12dB Mono, or 24dB Mono)
xLowpass Crossover OFF/ON Switch (OFF/12dB/24dB on GT-275)
yLowpass Frequency Adjustment (50Hz to 350Hz - continuously variable)
zInput Sensitivity (250mv to 8.0v - continuously variable)
{Highpass Crossover OFF/ON Switch
|Highpass Crossover Q-Tune™Adjustment (0.707 to 1.6 - continuously variable)
}Highpass Frequency Adjustment (20Hz to 350Hz - continuously variable)
~Fuse (replace with same value mini ANL only, refer to specifications on page 3)

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.