Bass
I ran the 5" FaitalPRO 5FE120 vs. the Peerless 5.25" 830991 through WinISD for the smallest Dayton cabinet, 0.25 ft^3 / 7L.
What I was really looking for was evidence of significantly better bass response, but truth is these two drivers are pretty equivalent. In the 7L cabinet, with a port the FaitalPRO has a slightly better f3: 53 Hz vs. 65 Hz, but the -10 dB Points are the same.
In ideal cabinets, the 830991 requires a 13L box, vs. 8L for the FaitalPR0, f3 nearly identical.
At least on paper, the FaitalPRO edges the Peerless just for needing a smaller cabinet to reach ideal responses. But the differences are truly small.
Treble
The really big differences between these two drivers are in the top end. The FaitalPRO is remarkably smooth for 2-3kHz more than the Peerless, making it easier to match with a broader range of tweeters. While the LM-1 required a 2kHz crossover, with this little gem we should be able to get up to 3-4kHz. Many less expensive tweeters are going to be very comfortable crossing over here.
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