In store
A handcrafted 2-way reflex bookshelf bearing the Sigma artisnship signature, the Heil AMT tweeter, and over twenty years of refinement.
| Type | Shelf or stand-mounted bookshelf · 2-way |
| Loading | Bass-reflex with flared rear port · “Stealth Woofer” system |
| Drivers | 1 × Heil AMT tweeter · 1 × 165 mm cellulose-loaded woofer |
| Crossover frequency | 2,500 Hz · first order, 6 dB/octave |
| Frequency response | 42 Hz – 33 kHz (-3 dB) |
| Sensitivity | 87 dB / 2.83 V / 1 m |
| Nominal impedance | 6 Ω (minimum 4.2 Ω @ 180 Hz) |
| Recommended power | 30 – 180 W per channel |
| Internal wiring | Multi-strand Litz wire |
| Dimensions (H × W × D) | 360 × 215 × 290 mm |
| Weight | 9.4 kg / each |
| Standard finishes | Piano black · Ivory · Canaletto Walnut |
| Optional stand | Overture Stand · 580 mm h · fillable steel |
| Connections | Single WBT-0710 Ag binding post |
| Warranty | 10 years on cabinet · 5 years on components |
