| frequency response | 38Hz-20kHz±5dB |
| power handling | 105 watts maximum continuous (1000 watts peak) |
| sensitivity | 98.5dB @ 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 | 90°x40° Exponential Horn |
| woofer | K-33 15" (38.1cm) Fiber-composite cone |
| enclosure material | Birch Plywood or Veneered Lumbercore |
| enclosure type | Bass reflex via front-mounted port |
| dimensions | 35.75" x 25.5" x 15.5" |
| weight | 108 lbs. |
| finishes | Walnut, Rose, Teak Oil, Oak, Cherry Lacquer, Natural, Mahogany, Maple, Raw, Black Birch |
| built from | 1959 |
| built until | 1985 |