Big Sir is a 200 watt bass head. Has a tube buffered Jensen transformer driven XLR line out jack with ground lift two ¼” speaker output jacks and one SpeakON jack. Passive and Active input jacks

Tube Complements: 3 12AX7, 4 KT88

Controls: Volume, Bass, Treble, Middle, Four position Mid Shift switch ,Presence 2 speakers output jacks impedance switch 2,4,8 ohm external bias adjustments for each output tube.
BIG SIR