| Model ID | 280 DR |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 41.9 × 99.1 × 41.9 cm (W × H × D) |
| Weight | 95lbs (Shipped) |
| Frequency Response | 22Hz-18.5kHz |
| Treble | 2.5" Paper Cone (x6) |
| Midrange/Bass | 10" Paper Cone (x3) |
| Bass | 10" Paper Cone (Down-Firing) |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 3.5kHz |
| Recommended Amplifier Power (RMS) | 15-100W |
| MSRP (1973) | $299 |
| Connections | - Input (Biampable) · Binding Post (Universal)
|
| Controls | - Treble Level · Rotary Pot
- Midrange Level · Rotary Pot
- Biamp/Monoamp · Toggle Switch
- Protection Circuit Breaker · Momentary Push Switch
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