Tympani IIIA-W
| Brand | Audio Research, Magnepan |
| Manufacturer | Magnepan, Inc., Audio Research Corporation |
| Designer | Jim Winey |
| Function | Speaker |
| Produced | 1974 |
| Country | United States |
| Model ID | T-IIIA-W |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 6.4 × 7.2 × 0.1 cm (W × H × D) |
| Weight | 97lbs (System Shipped) |
| Frequency Response | 42Hz-3kHz ±3dB, 38Hz-3kHz ±4dB |
| Bass | 504in² Single-Ended Planar-Magnetic (x2) |
| Sensitivity (70Hz) | 96dB/10W/2m |
| Impedance (Nominal) | 8Ω |
| Power Handling (Program, Bass) | 300W |
| Enclosure Type | Dipole |
| MSRP (1974) | $845 |