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David Hafler (February 7, 1919 – May 25, 2003) was an American audio engineer. He was best known for his work on an improved version of the Williamson amplifier using the ultra-linear circuit of Alan Blumlein.
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.
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This culminated in several acclaimed designs, including what would become Komet's flagship amplifier: the Komet 60. [1] In his final years, Ken Fischer would collaborate with Dr. Z Amplification on the, "Z-Wreck." The Z-Wreck is a Vox AC30-style amp that was originally made for country guitar player, Brad Paisley. Fischer's final design, the ...
Luxman pre-amplifier CL-32 with tubes (above in an amp-combination) Luxman L-210, amp at entry-level 80s, [1] and D-321, CD player 1992/93 [2] In the mid-1970s and early 1980s, Luxman rose to prominence in the world hi-fi community, owing to the quality sound produced by its equipment. Luxman were primarily specialists in making vacuum tube ...
Mark Levinson Audio Systems Ltd. (MLAS) was founded 1972 in Woodbridge, Connecticut (a suburb of New Haven) by Mark Levinson.Original MLAS products were designed by John Curl (Hence the JC abbreviation to many of the early products) under the supervision of Mark Levinson, with a team of associates.
By 1963, solid state electronics development allowed Crown to produce a more robust tape recorder, and in 1964, their first solid state power amplifier: the low-profile SA 20-20. [2] In 1967, the DC300 was introduced as the first AB+B circuitry amplifier with 150 watts per channel at eight
The Armstrong 521 was a stereo hi-fi amplifier from the Armstrong Audio company and was marketed as 2 x 25W amplifier.. It employed germanium AL102 transistors in its output stages and these had a reputation for failure and are now unobtainable although it is possible, with modification to replace these with newer, silicon transistors.