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Some premium speaker cables have higher capacitance in order to have lower inductance; 100–300 pF is typical, in which case the capacitive loss will exceed 1 percent for runs longer than as little as 10 feet (10 ft * 300 pF/ft = 3000 pF, and 3000 pF > 2700 pF).
For the purposes of argument, let's assume 100 pF per foot. This strikes me as outrageously high; I just measured some 14 gauge zip-cord-like cable on my precision LCR bridge and got 16 pF/foot, but wot the 'ell, ehh? 'Factor of >6 safety margin. Let's assume 20 KHz, the worst-case frequency.
Very few amplifiers can handle 2.7-ohm speakers. Older Magnepans used aluminum magnet wire, thin 31 gauge (0.0089", 0.23 mm) for the tweeters and thicker 22 gauge (0.0253", 0.64 mm) for the mid-bass. The wire is glued to the mylar with 3M 77 spray adhesive, then sealed with 3M Fastbond 30NF (Magnepan used to use Milloxane to seal, but no more).
Monster was founded in 1979 by Noel Lee as Monster Cable Products. [1] Lee, an audiophile and engineer, was experimenting with different copper qualities, wire constructs and winding methods of audio cables in his family's garage and comparing them while listening to Tchaikovsky's 1812 Overture.
Center stage of German Rock am Ring music festival with two line arrays of 6 metres (20 ft) height each L-Acoustics V-DOSC/dV-DOSC line array at a concert NEXO STM M28 Line array at EXPO Festival. A line array is a loudspeaker system that is made up of a number of usually identical loudspeaker elements mounted in a line and fed in phase, to ...
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 .
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