
GT-80D QuadraDrivetm
THE GT-80D  FRONT PANEL:
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1:INPUT: Connect your guitar here using a shielded instrument cable.
OVERDRIVE Gains:
2:TUBE GAIN: This serves as the gain control for the Overdrive Channel’s Tube preamp section, giving you con- trol over the compression and overdrive characteristics of the 
3:OVERDRIVE LED: This LED glows red when the Overdrive Channel is chosen, and along with LED #14 gives you a visual sign that the Overdrive gains, tone controls and volume control are active.
4:SOLID STATE GAIN: This serves as the gain control for the Overdrive channel’s Solid Sate preamp section. Use this control along with the Overdrive Channel’s volume control (#15) to create a wide variety of sounds at any volume level. (Some suggested settings can be found on page 13.) With the control to the 
5:CHANNEL: Select either the Overdrive channel (switch in the IN position) or the Clean Channel (switch OUT) with this pushbutton switch. The channel indicator LEDs (#3 and 14 for Overdrive, #9 and 19 for Clean) work with this switch as a visual guide.
NOTE: When a footswitch is connected to the Channel Select footswitch jack (see #29, rear panel) the 
6:TUBE/SOLID STATE: Select either the Tube preamp (switch IN) or the Solid State preamp (switch OUT) for either channel with this pushbutton switch. The Tube LED (#7) works with this switch as a visual guide: it glows when the tube section has been selected.
NOTE: When a footswitch is connected to the Channel Select footswitch jack (which also serves as the Tube/Solid State select; see #29, rear panel) the 
7:TUBE LED: This 
CLEAN Gains:
8:TUBE GAIN: This serves as the gain control for the Clean Channel’s Tube preamp section, giving you control over the compression and overdrive characteristics of the 
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