His rectifier consisted of two dissimilar metals held in a specialelectrolyte solution one was tantalum and the other an alloy of lead. Fountain perfected a new type of electricalrectifier with the aim of designing a charger more suitable for use in thehome.
Indeed it all began a very long time ago…In the early days of broadcasting all radio sets needed both low and highvoltage DC power something that could only be supplied by batteries.The lead acid batteries commonly used for the radio equipment of thetime would, of course, need regular recharging.In London, in 1926, Guy R. The only rules weabsolutely adhere to when designing and crafting Prestige loudspeakersis to utilise the most up to date, no compromise, acoustic technologiesand time-proven cabinet making skills ensuring the very best soundingloudspeakers you will find …anywhere.The confidence in our company’s skill is derived from an enthusiasticworkforce and a pedigree that only a very small handful of audiomanufacturers can boast. The designs comfortably complement any decor from ancientcastle through to cool, casual and contemporary. Distinctive, distinguished and proud, they transcend merefashion and have captured the imagination of music connoisseurs all overthe world. Gold anodised machined metal trims, intricately detailed with the nostalgic lightning strike logo complement the overall stunning appearance of the GRF.Tannoy Prestige loudspeakers have certainly always been out of the ordinary wonderfully individual and totally unlike any otherspeakers. Meticulous hand finishing and time-honoured traditional craftsmanship are evident in the timeless beauty of the oiled walnut veneers and cabinet detail. In order to minimise unwanted resonance, the birch plywood cabinetry is extensively braced internally, and the twin rear ports are engineered to reduce low frequency turbulence. This enables the GRF to achieve unparalleled gains in resolution, and deliver a more natural, cohesive sound. Featuring Tannoy-customized capacitors, low-loss laminated core inductors and thick-film resistors.
#Tannoy dual concentric ticonal alnico driver
The crossover utilises extremely high quality components in a minimalist design that ensures the shortest possible signal path to the driver for flawless musical reproduction. With over 90 years of engineering excellence, the Tannoy GRF driver boasts an incredible 560-Watts power handling, while offering over 95 dB efficiency. The GRF’s 12″ Dual Concentric technology with its signature PepperPot WaveGuide, Alnico motor system and HF compression driver delivers a superbly dynamic overall presentation with fast, accurate bass and a fluidly open midrange. Music makes the world go round, and the GRF offers the ultimate audio experience! Skilfully handcrafted in the U.K., the GRF boasts the same exceptional components as the GRF-90, utilising a 300 mm (12″) Gold Reference Dual Concentric driver, housed in a beautifully designed, oiled walnut cabinet. The Gold Reference GRF is a new permanent offering to the Tannoy Prestige range, introduced to meet unprecedented demand from dealers and customers to continue the limited edition GRF-90, which sold out in record time.
Tannoy GRF… 12″ Dual Concentric HiFi Floorstanding Speaker
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