AG-8 Extended Range unit. 18 Hz to 1 mHz. 5 continuously variable output ranges, 600-ohm output impedance. Output: 10 volts (no load) ± 1 db 20 cps-400 kc.; -3 db at 600 kc; -8 db at 1 mc. Distortion less than 0.4% from 100 Hz throughout the audible range. Tubes: 1-6SJ7, 2-6AK6, 1-6X5. Power: 105-125 volts AC, 50-60 cycles, 30 watts. Dimensions: 7½" high, 13¼" wide, 7½" deep. 11 lbs. 1953 price: $29.50.