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The VA-One is conveniently compact for a valve amp – sufficiently small to sit comfortably on a desk..
PA-One The QUAD PA-One is a highly versatile, user-friendly headphone and preamplifier. It combines ..
The QUAD QII-Integrated evolves the QII into a fully integrated stereo amplifier for the very first ..
The Quad Elite integrated amplifier is an offspring of Quad's 'closest approach to the original soun..
The Quad Vena II Play is the latest addition to the best-selling QUAD Vena series of integrated ampl..
The Quad Elite QSP stereo power amplifier is designed as a replacement of the famed Quad 909 Stereo...
Elite CDX-original CD players of the British company Quad, which complement the eponymous line of st..
The Artera Solus – a multi-tasking hi-fi system packed into a single sleek and sophisticated box, co..
The history of Quad is one of technical achievement in the field of sound reproduction. It is a story that began with the Quad 1 amplifier, which brought the benefits of 15 years knowledge and experience in professional audio and industrial products to the task of making the most accurate domestic audio amplifier of its age.
A few years later, in 1953, the product which set the standard for amplifiers was the Quad II Power Amplifier, the time of Queen Elizabeth’s Coronation and the year in which Mount Everest was finally conquered. This amplifier pioneered the principle of cathode coupling through the output transformer to reduce harmonic distortion to almost negligible levels. Such was its clear superiority that this model remained in production for 18 years. Three years later, in 1956, Quad demonstrated the first true full-range electrostatic loudspeaker. This remarkable product (known later as the ESL 57) used a virtually mass-less plastic film as a moving diaphragm between two charged plates. Compared with moving coil loudspeakers, the ESL 57 was free of unwanted colourations and distortions. This landmark product remained in production, virtually unchanged, for 28 years.