I purchased this used as a back up to my current 6.0. It's in great shape other than the usual light case scratches and a small ding in the back. All functions work fine. Factory Ruby tube installed, new SOVTEK LPS tube included. FEATURES Ultra Light 3.75 lb Design Power: 375W/8 ohms; 600W/4 ohms Analog 12AX7 Tube Preamp Digital SMPS (Switch Mode Power Supply) High Current Class D Amplifier Active EQ w/Parametric Mids 3-Band Signal Shape Circuit (Footswitchable) Signal Mute Switch (Footswitchable) Tuner Out Extended Range Input Gain for Active/Passive Sensitivity Limiter Circuit LED Status Indicators Speakon® Speaker Outputs Internal Fan Cooling Full XLR Direct Out Interface Aux. Input Headphone Jack Effects Loop Fantastic light weight amp for the dollar! Asking $350 shipped CONUS/Paypal OK.