| frequency response | 54Hz-17kHz± 3dB |
| power handling | 100w max continuous (400w peak) |
| sensitivity | 103dB @ 1watt/1meter |
| max acoustic output | 120dB SPL |
| nominal impedance | 8 ohms |
| crossover frequency | HF: 4500 Hz MF: 450 Hz |
| maximum acoustic output | 120dB SPL |
| tweeter | K-77-F 1" (2.54cm) Phenolic diaphragm compression driver |
| midrange | K-55-X 2" (5.08cm) Phenolic diaphragm compression driver |
| mid frequency horn | Exponential Horn |
| woofer | K-33-E 15" Fiber-composite cone / folded horn-loaded |
| enclosure material | Birch Plywood and Medium Density Fiberboard (MDF) |
| enclosure type | Fully horn-loaded |
| dimensions | 35.625" (90.5cm) x 30.125" (76.5cm) x 18.75" (47.6cm) |
| weight | 125 lbs. (56.75kg) |
| finishes | Walnut Lacquer, Mahogany Lacquer, Medium Oak Lacquer, Black Lacquer, and Unfinished Oak |
| built from | 1971 |
| built until | 2005 |