| Re: Help finding a sub.
The alignment... ported/sealed, cabinet volume, tuning frequency all effect the power handling. The thermal rating listed in the T/S parameters for a driver is almost meaningless for designing the actual sub.
For example, a TC Sounds db500-12 (not an 8 ohm driver...but 2 in series would be) in a sealed box with Q of .703 exceeds rated Xmax with 500 watts below 26 hz. In 4 ft^3 tuned to 20 hz, 500 watts won't reach Xmax until 17hz. Increase the ported box size to 6 ft^3 and 500 watts will now exceed rated Xmax in the mid 20s.
In other words, you're going to have to supply more details before anyone can give you a solid recommendation. Box size limits, frequency response and SPL goals, that sort of thing.
-Brent
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