ES-212
| Brand | Crown |
| Manufacturer | International Radio and Electronics Corporation |
| Series | Auralinear |
| Function | Speaker |
| Produced | 1973-1974 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Analog Hardware |
| Dimensions | System Total: 42"x26"x16" Woofer: 21"x26"x16" Midrange/Treble: 21"x26"12" (HxWxD) |
| Power | 115VAC, 60Hz 3W |
| Frequency Response | 22Hz-30kHz |
| Midrange/Treble | 5.75" Square Electrostatic Panel (x12) (RTR HF-150) |
| Bass | 10" Paper Cone (x2) |
| Crossover Frequency | 375Hz |
| Power Handling | 75W |
| Enclosure Type | Bass: Sealed, Midrange/Treble: Dipole |