8.75 in. By 13 in. By 19 in. O/a; 102.5 w max pwr output; 400 to 3000 hz freq reponse; internal or external modulation source 400 to 3000 hz freq internal; impedance 100000 o input 200 o output; operating pwr rqmts ac 115v 60 hz 1 phase; fsc appl modulators sig generator exc specially designed
