The model ones;
Specifications:
FREQUENCY RESPONSE:50Hz-17kHz±5dB
POWER HANDLING:105 watts maximum continuous (500 watts peak)
SENSITIVITY:96dB @ 1watt/1meter
NOMINAL IMPEDANCE:8 ohms
TWEETER:K-77-M 1" (2.54cm) Phenolic diaphragm compression driver, Insulated
HIGH FREQUENCY HORN: 90°x40° Exponential Horn
MIDRANGE: K-55-V 2" (5.08cm) Phenolic diaphragm compression driver
MID FREQUENCY HORN:80°x30° Exponential Horn Insulated
WOOFER:K-22 12" (30.48cm) Fiber-composite cone
ENCLOSURE MATERIAL: 9 ply Birch Plywood or Veneered Lumbercore
ENCLOSURE TYPE: Sealed
DIMENSIONS:21.4" (54.36cm) x 15.5" (39.37cm) x 13.2" (33.53cm)
WEIGHT:55 lbs. EACH (24.97kg)
FINISH: Prepared Walnut Veneer, 5 coats hand apllied Tung oil
BUILT FROM:1957
BUILT UNTIL:1985