Made In 1981-1982 
This wonderful mark 2B  1x12 EV loaded combo in blonde tolex finish is a must have for sure 
The Mark IIB is the first guitar amplifier with a tube-buffered effects loop. 
This Mark IIB is 100 watt amp that allows shifting down to 60 Watts by turning off the pair of Power Tubes. It features a single electro voice  12" speaker. Four of the pots have pull functions; The Volume 1 is pull for Bright, the Treble is pull shift, lead drive is pull lead, (ie enable the lead channel) and lead master is pull bright. It offer both Reverb &
Presence which are pots on the backside of the amp.
The switchable channels allow for a choice between clean sound and distorted sound.
Recently serviced and ready to play 
In a really good condition with blonde tolex 
From the first owner