Adcom GFA-545 II bridging question

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Hi dhoover,
Why would you do this for about +3dB? If you consider driving a pair of subs, one from each channel, you will have far better sound and impact. The voice coil temperatures will be lower and if you use smaller cones, better control and "snap". A box the proper size (B4 for example) will also give you higher efficiency.

Look at the problem again. You do not really want more power, you do want more bass (I guess). Don't design a sub box for power handling, design it for efficiency and the cutoff frequency. Use two drivers that match the box. Again, look at efficiency and f3 and the other T/S parameters.

If you could achieve your goal using 1/4 the power, wouldn't you want to?

-Chris
 
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