I think it's for daisychaining amps. Maybe.
Alvarez dreadnought
Gibson SG
Homemade Strat (seymour duncan classic stack p/ups)
Vox Tonelab (original desktop model) with full board footswitch
Vox AD50
Avatar V30 4x12 cab
yeah, im looking into buying a tube amp, affordable though, im pretty poor. i would like to be able to hook it up to a spare cab i have that my cousin gave me.