The MaryJane is a tube combo containing two amplifiers with one speaker per amplifier. The first amplifier is an EL84 based amplifier with volume, bass and treble controls. The second amplifier is a 6V6GT based amplifier with volume, treble, mid and bass controls. Each amp is independent of the other, including the preamp sections with the exception of the input jack. Both amps have standby switches and both can be on at the same time, as the input goes to both amps. The preamp section is entirely 12ax7 based, two 12ax7s per amplifier. Standard the combo is loaded with two 12" drivers and is made of southern cypress.