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Sugden A21 integrated amplifier is made with as much love as it was 50 years agoIn 1967, James Edward Sugden produced the world’s first Class A, solid state amplifier available for commercial purchase – the A21 (pictured above). This also marked the first unit manufactured by the now-iconic British audio company, Sugden. 50 years on, Sugden still stand out as an exemplary manufacturer of hi-fi amplifiers, and as a brand with a heavy emphasis on integrity.Sugden is unusual in that all of the …

Sugden A21a Series IIThe Sugden A21A Series 2 has lineage stretching back more than 50 years.It is an exceptional amplifier with a musical 3 dimensional sound stage.James Sugden,widely accredited with producing the world's first Class "A" amplifier under the name of Richard Allen,a most famous brand of English loudspeakers in the 1960's,went on to bring his own name to his amplifiers after 3 years of production for Richard Allen.The natural question here is what is a Class "A" amplifier?In simpl …