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1946 – JBL creates the original 'JBL signature' logo with an exclamation (!) in black and white. Designed by Jerome Gould [11] 1946 – Lansing leaves Altec and founded a new company, James B. Lansing Sound Inc. 1947 – JBL has a 15" speaker (38 cm), model D-130, using for the first time a 4" (100 mm) voice coil in a speaker cone; 1949 ...
The JBL Paragon, measuring almost 9 feet (2.7 m) from left to right. The JBL D44000 Paragon is a one-piece stereo loudspeaker created by JBL that was introduced in 1957 and discontinued in 1983; its production run was the longest of any JBL speaker. [1] At its launch, the Paragon was the most expensive domestic loudspeaker on the market. [2]
James Bullough Lansing (born James Martini, January 2, 1902 – September 29, 1949) was a pioneering American audio engineer and loudspeaker designer who was most notable for establishing two audio companies that bear his name, Altec Lansing and JBL, the latter taken from his initials, JBL.
Harman Kardon designed and produced some of the first high fidelity audio products in the 1950s. The company's first product was an FM tuner.. Early integrated receivers (with a tuner, preamplifier and power amplifier) were an attempt to create, improve and produce high fidelity performance in a single unit.
A speaker with an efficiency of 100% (1.0) would output a watt for every watt of input. Considering the driver as a point source in an infinite baffle, at one metre this would be distributed over a hemisphere with area 2 π {\displaystyle 2\pi } m 2 for an intensity of 1 / ( 2 π ) {\displaystyle 1/(2\pi )} = 0.159155 W/m 2 .
The company also produced a tilted speaker stand, the "Rectilinear Dispersion Base", intended to be used with the Model 5 speaker. [25] Although the Rectilinear speakers were distributed through a nationwide network of up to 400 dealers, most of their sales was generated on the East Coast. [26]