Model GA-30 two cone 12" & 8"   14 Watt  50's

Amp is rated at about 18 watts - two 6SJ7, one 6SC7, one 5y3GT and two 6V6GT tubes

Gibson amplifiers have become known amongst guitarists for their warm, consistent sound and reliability.

http://www.youtube.com/watch?v=WRfN9tMJ62M

http://www.youtube.com/watch?v=fm5Ej7ybws8