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ESL-2812 The latest version of highly acclaimed ESL series, the ESL-2812 and 2912 are a celebration..
It was way back in the mono days of 1949 that Quad launched its first loudspeaker, the Corner Ribbon..
Quad marks its 79th year with an all-new loudspeaker range: the S Series. Each model combines advanc..
Quad Vena II is an interesting product to say the least. Technically it is considered as an Integrat..
Quad has always prided itself as providing the complete solution to music lovers. Each Quad componen..
The Elite Integrated is an offspring of Quad’s ‘closest approach to the original sound’ philosophy a..
QUAD proudly announce Z Series, our new flagship ribbon loudspeaker range. After taking a new approa..
QII-Forty Power Amplifier The Quad II-forty power amplifier is much more than a tribute to one of ..
Quad Vena II is an interesting product to say the least. Technically it is considered as an Integrat..
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.