36 Hertz Mastering - One down, One to go! After months of searching I finally managed to source a Tannoy HPD 315 driver in working condition to go in the Cheviot boxes
The Tannoy Integrated Speaker System (Dual Concentric) images of the HPD-315A | Audiokarma Home Audio Stereo Discussion Forums
Tannoy HPD 315 8 Ohm Speaker and Crossover Photo #961224 - US Audio Mart
Pair of Tannoy Monitor HPD-315 in Custom Cheviot Cabinets ** Excellent condition For Sale - Canuck Audio Mart
TANNOY MONITOR HPD 12" HPD/315/8 PAIR | eBay
Tannoy HPD 315a | Speakers, Soundbars and Subwoofers