| 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 |
| 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 |
| woofer | K-22 12" (30.48cm) Fiber-composite cone |
| enclosure material | 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. (24.97kg) |
| finishes | Walnut, Rosewood, Teak Oil, Walnut, Oak, Cherry Lacquer, Raw, Black Birch |
| built from | 1957 |
| built until | 1985 |