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Walsh's new speaker design was developed and marketed by Ohm (the Ohm 'A'), after Gersten invented an edge-wound anodized aluminum voice coil, U.S. Patent 3,935,402 (1974), which was needed to make the unit viable. Unfortunately, Walsh died before his speaker was released to the public.
Ohm's acoustic law, sometimes called the acoustic phase law or simply Ohm's law, states that a musical sound is perceived by the ear as a set of a number of constituent pure harmonic tones. [1] [2] The law was proposed by physicist Georg Ohm in 1843. [3]
The new speaker created a cylindrical sound field. Lincoln Walsh died before his speaker was released to the public. The Ohm Acoustics firm has produced several loudspeaker models using the Walsh driver design since then. German Physiks, an audio equipment firm in Germany, also produces speakers using this approach.
Falcon Acoustics was granted a licence by the BBC for the 15 ohm version of the LS3/5a in 2013 and commenced production in 2014 using drive units produced in-house by Falcon Acoustics. The Falcon F B110 bass unit is a re-engineered version using the same components of the original KEF B110 SP1003 with a doped Bextrene cone and a neoprene surround.
It is air cooled, features protection circuitry, and is capable of around 300/350 watts RMS safely into 2 ohms. The 2 ohm load rating is very stable (this amp actually operates at less than 2 ohms), enabling the use of multiple mix and match speaker systems to improve acoustic efficiency and sound stage options.
Loudspeaker acoustics is a subfield of acoustical engineering concerned with the design of loudspeakers. [1] It focuses on the reproduction of sound and the parameters involved in doing so in actual equipment.