Description
Martin Logan Grotto : Subwoofer
Specifications
Specifications are subject to change without notice
| Frequency Response | 22–150 Hz ±3dB; Anechoic through LFE effects input | 
| Impedance | RCA Line Level In: 20,000 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers. | 
| Low Frequency Transducer | 10″ (25.4cm) high excursion, aluminum element woofer with extended throw drive assembly, non-resonance asymmetrical chamber format | 
| Amplifier | 250 watts rms (350 watts peak) | 
| Audio Controls | 25Hz Level Control: ±12dB Power: Auto/On/Standby | 
| High Pass Filter Frequency | 70 Hz | 
| Low Pass Filter Frequency | 30, 35, 45, 55, 65, 80 Hz | 
| Inputs | RCA line level; RCA LFE; speaker level | 
| Weight | 40 lbs. (18.2 kg) | 
| Dimensions | 15.4″ × 15″ × 12.9″ (39.1cm × 38.1cm × 32.8cm) | 

 
				













