Multiple Amp/speakers For Live

  • Thread starter Thread starter Gnash5150
  • Start date Start date
RawDepth said:
I am drawing from vague memory here but, this is the way it was explained to me...

An easier way to understand bridging might be to consider the AC power going into the amp. Typically if a stereo amp is fed by 120 volts (US) then that gets split in half and each channel only gets 60 volts to do its work. In an ideal world the output voltage from each channel going to the speaker can never be more than 60 volts at max power. When you bridge the amp, this voltage is internally doubled or put back together. The two channels work together as a team and can supply a max of 120 volts to the speaker. (minus thermal loss, of course.) That is why the max wattage tends to be doubled.

(Or something like that)

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that's just so fkn wrong.... the best way to think of bridged output is think of it as similar to a balanced signal... only in this case we're driving opposite sides of a single load (the speaker) so relative to a single channel amp it's like it's getting twice the voltage as it sees the difference between the 2 amps... makes sense????

and there's no reason not to bridge an amp as long as you watch the load for impedence mismatch and the power supply is stable...
 
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