Ads
related to: electrostatic martin logan 2 5 speakers for sale
Search results
Results From The WOW.Com Content Network
MartinLogan was founded by Gayle Martin Sanders and Ron Logan Sutherland who met in the late 1970s at a high-end audio store Sanders managed in Lawrence, Kansas.Despite different backgrounds (Sanders had trained in architecture and advertising, Sutherland in electrical engineering) they shared a passion for music and electrostatic loudspeakers.
The first fully successful full-range electrostatic speaker, and also among the most influential, was produced in 1957: the Quad Electrostatic Loudspeaker (Quad ESL, later known as the ESL-57) from Quad Electroacoustics, of Huntingdon, England. These were shaped somewhat like a home electric radiator curved slightly on the vertical axis.
Magnepan has used several different technologies in constructing their magnetostatic speakers.All Magnepan speakers are based on flexible ferrite magnet strips (like refrigerator magnets), 0.060" (1.5 mm) thick, typically cut to either 1/4" (6 mm) wide (mid-bass) or 1/8" (3 mm) wide (tweeters) and more or less the length of the speaker.
All speaker drivers have a means of electrically inducing back-and-forth motion. Typically there is a tightly wound coil of insulated wire (known as a voice coil) attached to the neck of the driver's cone. In a ribbon speaker, the voice coil may be printed or bonded onto a sheet of very thin paper, aluminum, fiberglass or plastic.
At this frequency, the voice coil is vibrating in the speaker's magnetic field with maximum peak-to-peak amplitude and velocity. The back EMF generated by this movement is also at its maximum. The electrical impedance of the speaker varies with the back EMF and thus with the applied frequency.
[5] The company adopted the name Quilter Sound Company, which was eventually shortened to the initials "QSC" and was known as QSC Audio Products, Inc. for many years. The company was officially renamed QSC, LLC in 2015.
Ad
related to: electrostatic martin logan 2 5 speakers for sale