Pro Sound Web: Multiple loudspeakers can be connected in series or parallel to the output of the amplifier. In either case, the current drawn from the amplifier is determined by the total impedance of the load as presented to the loudspeaker terminals. Impedance is the opposition to the flow of current.
Wednesday, March 28, 2012
AV: Series Or Parallel? Linking Loudspeakers Properly
Pro Sound Web: Multiple loudspeakers can be connected in series or parallel to the output of the amplifier. In either case, the current drawn from the amplifier is determined by the total impedance of the load as presented to the loudspeaker terminals. Impedance is the opposition to the flow of current.
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2 comments:
As we are just discussing loud speakers and amplifiers in Production Audio, this article brings a greater depth and explanation to why speakers need to be connected certain ways and why it is preferred. I have heard about the bucket example before, but never really got the full story or interpreted it. Its a great way to explain parallel and series and how it affects electricity. Learning how to properly connect and when to connect speakers either by parallel or series is definitely key and this helps explain it.
Pat Brown always has goo analogies, and I think the hole in the bucket business is apt, but I don't see why so many people write basic articles about series vs. parallel; it's really more applicable to physics and EE types. Virtually no connections made in typical live sound use series; loudspeakers, output splits, intercom daisy-chaining, power distribution, etc. all use parallel jacks. This is very helpful in the event that one component is removed or fails. The important take away from this article is why not to daisy chain too many parallel sources. Any other fidgeting with series and parallel is probably beyond the scope of this article's target audience...
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