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In 1975 Ed Long [1] in cooperation with Ronald J. Wickersham invented the first technique to Time-Align a loudspeaker systems. In 1976 Long presented "A Time-Align Technique for Loudspeakers System Design" [2] at the 54th AES convention demonstrating the use of the Time-Align generator to design improved crossover networks for multi-way loudspeakers systems.
The speaker was innovative in other ways as well and was produced, relatively unchanged, for about 10 years. LEAK 2060 loudspeaker with a sandwich cone woofer The original Leak 'Sandwich' hi-fi speaker was a large two-way system employing a 330 mm (13 in) low frequency element, with the sandwich cone, cambric roll suspension, and cast aluminium ...
A coaxial loudspeaker is a loudspeaker system in which the individual driver units radiate sound from the same point or axis. Two general types exist: one is a compact design using two or three speaker drivers, usually in car audio, and the other is a two-way high-power design for professional audio, also known as single-source or dual-concentric loudspeakers. [1]
Cambridge Audio was founded as a division of Cambridge Consultants in 1968. The company's first product was the 2 × 20W P40 integrated amplifier, which was created by a team that included Gordon Edge and Peter Lee. In addition to an advanced technical specification the P40 had a slim case design by Roy Gray, from Woodhuysen Design.
The General Certificate of Secondary Education (GCSE) is an academic qualification in a range of subjects taken in England, Wales, and Northern Ireland, having been introduced in September 1986 and its first exams taken in 1988.
The main objective of public speaking is to inform or change the audience's thoughts and actions. [6] The function of public speaking is determined by the speaker's intent, but it is possible for the same speaker, with the same intent, to deliver substantially different speeches to different audiences. [7]