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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.
An N-way loudspeaker usually has an N-way crossover to divide the signal among the drivers. A 2-way crossover consists of a low-pass and a high-pass filter. A 3-way crossover is constructed as a combination of low-pass, band-pass and high-pass filters (LPF, BPF and HPF respectively). The BPF section is in turn a combination of HPF and LPF ...
Bi-amping typically consists of a crossover network and two or more drivers. With ordinary loudspeakers, a single amplifier can power the woofer, mid-range and tweeter through an audio crossover , which filters the signal into high- medium- and low-frequencies (or high- and low-frequencies in 2-way speakers) – a mechanism that protects each ...
John Boyd says that being a part of this Tuesday night’s 3-way crossover between CBS’ three FBI shows was no less than “an out-of-body experience.” Three years ago, Boyd’s FBI character ...
Last TV season gave us the first-ever three-way crossover involving a trio of NCIS series: the original, D.C.-set mothership, NCIS: Los Angeles, and relative newcomer NCIS: Hawai’i. NCIS: LA has ...
The crossover will serve […] An unprecedented three-way crossover between the original Law & Order, SVU and Organized Crime is officially set for Thursday, Sept. 22 at 8/7c, NBC has confirmed.
The midwoofer-tweeter-midwoofer loudspeaker configuration (called MTM, for short) was a design arrangement from the late 1960s that suffered from serious lobing issues that prevented its popularity until it was perfected by Joseph D'Appolito as a way of correcting the inherent lobe tilting of a typical mid-tweeter (MT) configuration, at the crossover frequency, unless time-aligned. [1]
Jerry Harvey (born 1961) is an American sound engineer best known for inventing, along with Karl Cartwright, a series of customized dual-speaker in-ear monitors in 1995. He founded Ultimate Ears that same year, and in 2007, founded JH Audio.