Revel B28W In-wall subwoofer Category--Phono Stages This is due to the

This is due to the unique circuit and independent filtration networks

The four 12AU7’s on the outside are driver tubes

Revel engineers discovered they could improve the symmetry of the woofer displacement and thereby lower distortion

Custom toroidal power transformers

Revel B28W In-wall subwoofer Category--Phono Stages This is due to theB28W In wall subwoofer The B28W features two high performance 8" (200mm) drivers, which allow it to provide high quality, low frequency output. The self contained subwoofer module with integrated back box allows for easy retrofit installation application. This in wall subwoofer system is designed to be powered by the SA1000, a single channel, 1500W Peak Class D amplifier. The SA1000 single channel, rack mount amplifier has two outputs in parallel, so