The Tweaker-40 112 is a two channel, 40-watt, 1x12" combo, driven by two premium 6L6 power tubes and three hand selected 12AX7 preamp tubes. Packed with the features gigging musicians have been asking for, the Tweaker 40 expands Egnater's award-winning Tweaker Series. The eleven on board Tweaker switches provide unparalleled flexibility for shaping your tone. <br>The Tweaker 40 112 is loaded with a custom built Celestion® Elite GH-50 speaker which is a 50-watt version of the classic Celestion® G12H-30. A rugged 2-button footswitch is included.