4
EN
FRONT PANEL FEATURES
inches (cm)
ON-OFF SWITCH
Move the rocker switch up to turn on the amplifi er. 
The blue PWR LED will turn on immediately. 
The red CLIP LEDs may trigger for 1-2 seconds until the amp 
has completed its turn-on cycle. If no lights come on, check the 
power cord and the AC reset on the rear panel.
MODEL NUMBER
The GX3, GX5, and GX7 
power ratings are shown on 
the Specifi cations page.
COOLING VENTS
The internal fan moves air through the chassis to 
reduce temperature rise. Keep vents clear. The fan 
speeds up in response to heavy use.