MartinLogan Grotto 15
Description of the product.
| Brand | MartinLogan |
| Model | Grotto 15 |
| Woofer | Triple 15" (25.4cm) Hybrid Woofer System consisting of 1x high-excursion, aluminum cone in a cast aluminum basket with 2x aluminum cone passive radiators for enhanced low frequency output. |
| Woofer diameter (mm) | |
| Frequency response | 20 Hz – 120 Hz +3 −3 dB, anechoic |
| Amplifier power (W) | 1000 |
| Enclosure | Sealed |
| Height (mm) | 522 |
| Width (mm) | 554 |
| Depth (mm) | 554 |
| Weight (kg) | 53.5 |