Lab Series 1
| Brand | Tempest, ESS |
| Series | Lab Series |
| Function | Speaker |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 38.1 × 68.6 × 35.1 cm (W × H × D) |
| Frequency Response | 30Hz-25kHz |
| Treble | Heil Air-Motion Transformer (Total Radiating Area: 10.4in²) |
| Midrange/Bass | 12" Cone |
| Sensitivity | 80dB/W/15ft |
| Impedance (Nominal) | 6Ω |
| Crossover Frequency | 1.5kHz |
| Dispersion (Horizontal) | 120° |
| Dispersion (Vertical) | 40° |
| Power Handling (Continuous) | 60W |
| Power Handling (Peaks) | 160W |
| Enclosure Type | Bass Reflex |
| Finish | Corinthian Walnut Vinyl (Grill: Brown, Blue, Rust, Green) |