WHARFEDALE Wharfedale, Wharfedale Hi Fi, Britain\'s most famous loudspeaker? Wharfe, Wharfedale Wireless Works, IAG Group Ltd., IAG, UK, Gilbert Briggs, Peter Comeau, Hi Fi and Home Entertainment, High End and Prestige, Cinema Package, Subwoofers, Diamond 10, Dia 10.1, Dia, Diamond HCP, Dia HCP, EVO Signature, Onyx, EVO 2, Diamond 9, Amber, Crystal 2, Vardus, Opus 2, Crystal 3, Achromatic Systems, Achromatic LCR, Airedale, Airedale Heritage, Airedale Classic Heritage, 75th Year Anniversary, Achromatic, AVR-5110, RS-10, Diamond 10 Style AV System, Achromatic LCR Sound Bar, Achromatic LCR, Powercube Plus, Powercube, Power Cube, PC8+, PC10+, PC12+, PC Super15, SW, SW100, SW150, SW250, SW300, SW380, Bi-directional KEVLAR, KEVLAR weaves, KEVLAR, Tri-Lam Cone, Curved and Multi-braced MDF Cabinet, MDF Cabinet, Hot Compacted Polypropylene Process (HCWPP) Technology, Open-backed Chassis Design, In-house manufacture, Vertical Integration, Loudspeakers: The Why & How of Good Reproduction by G. A. Briggs Review the Wharfedale 12.1 loudspeakers.