3Martin Logan Grotto Powered Subwoofers Photo 3301296 US Audio Mart

Martin Logan Grotto. 3Martin Logan Grotto Powered Subwoofers Photo 3301296 US Audio Mart Possibilities of sound corrections in this model are truly endless. In a cabnet like anything else you putting a box inside a box

In a cabnet like anything else you putting a box inside a box Possibilities of sound corrections in this model are truly endless.

Martin Logan Grotto Photo 4166617 Canuck Audio Mart

This setup is recommended if your Grotto will be used in a 2-channel system with main speakers playing full range Possibilities of sound corrections in this model are truly endless. This triangular-shaped subwoofer boasts an impressive 250-watt RMS power that delivers a powerful and distortion-free audio experience

Martin Logan Grotto Powered Subwoofer Manual HiFi Engine. To be frank, (and I mean this seriously) people really crapped themselves This listing is for a Martin Logan Grotto i Servo-Control High-Resolution Subwoofer System - In Great Condition

Martin Logan Grottoi Photo 2524808 US Audio Mart. It will work but you have to think about dampening and vibrations For more accurate control of the head there is the branded servo lock tuning system, which watches out for the diffuser's displacement linearity