Dimensions: 20.188"(W) x 1.765"(H) x 8.125"(D) Octal Sockets: 3 (third socket for tube rectifier) 9-Pin Sockets: 4 Front Control Layout: In, In, Deep Sw, Vol, Treb, Bass - In, In, Bright Sw, Vol, Treb, Bass - Pilot Lamp Rear Control Layout: Sw, Fuse, Sw, Sw, Jack, Jack
