• Celestion G12M “Greenback” speaker • 15 W Single modular channel • Ruby EL84 power tubes • Modular preamp – 13 tones available • Master “Density” & “Presence” controls • Footswitchable Tube Boost function with Gain and Level • Dual function “Standby” switch for live and silent mode • 8/16 ohm ext. speaker output • Slave output