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Truly excellent amplifiers will also have a separate (or at least separately regulated) power supply for the input stage (those circuits that do not actually drive the speaker). Under heavy load, ... On the other side, if the load impedance was 16 ohms, the amplifier would put out only 100 watts per channel.
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www.rocketroberts.com/techart/amp.htm
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Enter the minimum safe operating impedance for your amplifier in the white field above (this is 2 ohms per channel for most amplifiers). When you click the ; 'enter' button, the proper speaker impedance will be calculated for each configuration. ... This will give you a 2 ohm load. The voice coils of each...
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www.bcae1.com/spkrmlti.htm
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If the speaker cabinet impedance load is higher than the amplifier rating, e.g., an eight ohm cabinet plugged into an amplifier with a minimum impedance load of four ohms, you're cool. You're not getting the amp's maximum output, but don't panic over it.
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www.gollihurmusic.com/faq/31-OHMS_AND_IMPEDANCE_FROM_TH...
www.gollihurmusic.com/faq/31-OHMS_AND_IMPEDANCE_FROM_THE_OUTPUT_SPEAKER_PERSPECTIVE.html
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Impedance is measured in "ohms", ... Note: Even if you could measure the impedance of your amplifier, you wouldn't want to do so. Maximum power is delivered to the load if the source and load have the same impedance. ... I am convinced that the most common question is not "how can I properly match amplifier and speaker impedance?",
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www.horrorseek.com/home/halloween/wolfstone/Audio/spkim...
www.horrorseek.com/home/halloween/wolfstone/Audio/spkimp_SpeakerImpedanceMatching.html
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Now, if our amplifier with 10 volts output is connected to a 4 ohm speaker, the lower impedance will allow more current to flow. The amount will be found by 10 volts / 4 ohms = 2.5 amperes. If we use a 2 ohm speaker, even more current flows: 10V/2 ohms = 5 amperes. ... So, if you see a speaker jack labeled "Minimum Load 4 ohms",
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www.prestonelectronics.com/audio/Impedance.htm
www.prestonelectronics.com/audio/Impedance.htm
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Knowing the total speaker load (or impedance) that a set of cabinets, or speakers in a single cabinet, represent is critical. An impedance mismatch (when an amplifier is not rated for the total speaker load connected to it) can damage both the speakers and amplifiers.
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www.ehow.com/how_2041753_determine-total-speaker-load.h...
www.ehow.com/how_2041753_determine-total-speaker-load.html
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Generally, the lower the speaker impedance, the more power you get from the power amp. Some amps can handle a 2-ohm load, but many will overheat. ...
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www.tape.com/resource/impedance.html
www.tape.com/resource/impedance.html
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If we reduce the impedance of a speaker load by half, from 8-Ohms to 4-Ohms, but kept the power the same, ... If you do want the ability to connect multiple home audio speakers to the same amplifier channel, use an outboard switchbox that allows simultaneous multiple speaker operation at a constant impedance load.
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www.hometoys.com/htinews/feb04/articles/polk/impedence....
www.hometoys.com/htinews/feb04/articles/polk/impedence.htm
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Speakers which attempt to present a flat impedance load using conjugate techniques have sometimes been described as 'flat and boring', which may or may not be connected to their excessively complex crossovers. Speaker design is non-trivial! ... Lces = 78.9 mH Cmes = 356 uF Res = 35.7 ohms Re = 6.25 ohms...
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www.epanorama.net/documents/audio/speaker_impedance.htm...
www.epanorama.net/documents/audio/speaker_impedance.html
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