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Pages in category "Audio amplifier specifications" The following 17 pages are in this category, out of 17 total. This list may not reflect recent changes. A.
Hamish Robertson designed the Ariston RD11 in 1971 with Castle Precision Engineering Ltd machining many of the parts. Robertson left Ariston, which had been taken over by Dunlop Westayr Ltd and reorganised as Ariston Audio Ltd. In February 1973 Linn Products Ltd. was formed to sell turntables made by Castle Precision Engineering.
Hobbyist constructed Mono PPP amplifier using 813/QB2/250. ~ 65W in Class A. Weight is 48 kg, dissipation is 1 kW. Many modern commercial amplifiers (and some hobbyist constructions) place multiple pairs of output valves of readily obtainable types in parallel to increase power, operating from the same voltage required by a single pair.
Dynaco was an American hi-fi audio system manufacturer popular in the 1960s and 1970s for its wide range of affordable, yet high quality audio components. [1] Founded by David Hafler and Ed Laurent in Philadelphia, Pennsylvania in 1955, it's best known product was the ST-70 tube stereo amplifier.
In January 2006 a head version was released and also a version 2 combo. In June 2007 an updated head version and a version 3 combo were released. The first Epiphone Valve Juniors (version 1) were only combo amplifiers and received only a fair reception, due to such problems as buzzing and hum caused by the AC filament voltage.
The specifications for these amplifiers, and leadership of the design team, came from Paul Rivera (then marketing director) and are known as Fender Rivera era amplifiers. Some amplifiers in the series used the II moniker; the Champ II, Princeton Reverb II, Deluxe Reverb II and Twin Reverb II, while others such as the Concert and Super Champ did ...