Turning the knob slightly produces some scratchiness, but there are no particular problems in use. The metal parts show signs of wear. The vacuum tubes have not been replaced since purchase. Although I don't feel any problems with the sound, the "replace" indicator lamp on the back is lit, so I will treat it as junk. Everything in the photos is included. There is a small hole in the corner of the soft case. High-performance guitar amplifier head equipped with vacuum tubes. - Brand: Hughes & Kettner - Type: Guitar amplifier head - Connection terminals: XLR output, effects loop, footswitch terminal - Controls: Volume, Treble, Middle, Bass, Gain, Reverb - Power supply: AC power - Features: Vacuum tube equipped Thank you for viewing.