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A "Speaker Selector" is needed to run more than 2 pair... (Reply to this comment)
by inwall
An impedance matching speaker selector will accomplish the task of running more than a couple pairs of speakers off a standard stereo amplifier/receiver.
A speaker selector will average out (essentially) the ohm load an amplifier "sees". So you can run as many as 12 pairs of speaker from one amplifier. The more you add on the lower the dynamic the sound will get. But good performance for background applications.
Hope that helps clarify an impedance matching speaker selectors.
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Jun 05 '01
11:57 am PDT
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Sorry that's wrong... (Reply to this comment)
by MichaelHatton
For a stereo amplifier, you can NOT run more than 4 pairs of speaker from the amp. Amplifiers are designed for impedance levels of the speakers, usually from 4 to 16, using two 8 ohm speakers will result in a low 4 ohms, using four, well expect some serious sound problems. Only if the amplifier has more than two channels of amplification then you can be sure that the amp can handle more than two pairs of speakers safely.
As for distortion, you get distortion from adding speakers onto an amp.
And remember that not all amplifiers have two outputs, so they will not have a B-side. This B side isn't another pair of amplified channels, it is just a parallel connection of the two inside, so you can hook two speakers up; aslong as there total impedance doesn't reach the minimum rated on the amp.
And as for power; you don't need a ton of power, you can get the same volume from a 100w amp from a 10w amp. Its just better sounding through the 100w amp - more dynamic. This is in conjuntion with speaker sensetivity.
MIKE.
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May 21 '01
2:57 pm PDT
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