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The latter two factors also determine the wire's frequency response. The lower the impedance of the speaker, the greater a significance the speaker wire's resistance will have. Where large buildings have long runs of wire to interconnect speakers and amplifiers, a constant-voltage speaker system may be used to reduce losses in the wiring.
Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...
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.
The output impedance of a transistorized amplifier is something less than an ohm, but let's take a hypothetical 16 Ohm tube amp instead. 'Nuther safety margin. Connected to this amp, our incredibly capacitive speaker cable will cause, at 20 KHz, the loss of about 16/4000 = 0.4% of the signal.
Since speaker connections are polarized, the terminals are typically color-coded so that the positive wire connects to the red and the negative to the black terminal. The terminal consists of a spring-loaded metallic pincher that opens when the lever is pressed, and when released will tightly grip the conductor which has been inserted into it.
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).
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