mega rare, I believe from around 1988. the only history I can find as far as selling is the SGA-115 shown in the last photo. this has high and low inputs and Delay and Chorus effects built in. 2 x 8"speakers and puts out 50 amps. so great for practice or a small gig. it's not been used fir a long time so control's are a bit scratchy, some switch cleaner wouldn't go amiss. come and collect or can post.
