I'd have to agree, there is absolutely no point even going for RP-28fs. You could technically make a case about the bass response, but isn't that what subwoofers are for? Even if the extension were the same and SPL capability the same, you're going to get much better sound by dividing the frequency range between different drivers designed specifically for a certain range, since IM distortion becomes a real problem when one driver is trying to cover sounds more than 3-4 octaves apart. I get the same effortless dynamics in a room 1.5x as big, and I usually listen at reference levels. Its just overkill. Even accounting for Klipschs bloated sensitivity ratings, the rp 160m can reach levels of 105dB per channel in an anechoic chamber at 8' with 100w.
Not to derail the thread, but are there any large benefits of Forte's vs reference series or even their high end palladium series speakers outside of SPL? I know just looking at sensitivity measurements their smallest model bookshelves (rb-10) are as efficient as a small floor stander, and can easily reach 100dB in my room without any strain, dynamics compression or distortion.
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