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Message: <blockquote data-quote="helotaxi" data-source="post: 349712" data-attributes="member: 550915"><p>When you bridge two channels on an amp, each channel produces the amount of power that it would if it were running a speaker that was half the impedence of the bridged impedence.  Example:  Typical speaker is 4ohms so we will use that as our bridged load.  Amp produces 50 watts per channel into a 4 ohm load and 90 into a 2 ohm load.  If we bridge this amp into our 4 ohm speaker, each channel produces its 4 ohm power (90 watts) and the total is 180 watts going to our speaker.  Many good amps double their power when you half the impedence ie 50 watts at 4 ohms becomes 100 watts at 2 ohms and 200 bridged.</p></blockquote><p></p>

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