Manufactured early 1970's to early 1980's Dimensions (HxWxD in cm): 67 x 47 x 35 Weight: >27kg (about 59 lbs)
The woofer element is a 13" SEAS 33 F-WK DQ with injection moulded Aluminum Alloy Chassis, edge coated paper cone with rubber surround and inversely mounted paper dust cap.
Specs (SEAS 33 F WKA - ca. 1985): Frequency range: 25 - 1000 Hz Nominal Impedance: 8 Ohm Nominal Power: 70 W (DIN 45573) Music Power: 120 W (DIN 45500) Sensitivity: 93 dB SPL Operating Power: 2.0 W Free Air Resonans: 22 H
