Made in 1987. 120Watt tube amp. Has one channel with high and low gain inputs, pre and post gain controls, a 3band EQ, an effects loop, and 8 dip switches. It has 4 6l6GC power tubes and 4 12ax7 preamp tubes. On the backside of the amp is a ground switch with three possitions, four speaker/cab outputs for 16ohm,8ohm,4omh. Can run four 16ohm cabs at once! Also on the back of the amp is a "Hum Balance" dial, and poweramp output. It has limited features, but its very good at what it does. it's NOT ok to contact this poster with services or other commercial interests utah