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Seeking understanding. Lets say one has a 4" and an 8" full rang driver. The 8" is four times the area of the 4" driver. Not only that, the 8" also generally goes lower in the frequency response when built as a speaker and plays with more authority. What if one stack FOUR 4" driver in a vertical line just about touching each other. At that point: Does the four 4" driver in a properly designed cabinet play lower and with more authority, or does the frequency response still look like a single 4" driver, but they simply play louder? And any disadvantage to that type of design of multiples full ranger driver in a vertical array? Thanks.
Ah....just read on comb filtering. I see. Some debate about its impact it seems...?As to impedence, it is not a problem. Wire two speakers in parallel. And then run the two separate pairs in series. So we are back to original impedance. Anyways to my question - would four 4" in a larger cabinet then play lower or just louder than a single 4"? Thanks.
Multiple drivers can't go lower, just louder.
But the problem with full ranger is the lack of bottom octaves.
My Fostex F200A drivers are rated 30-20,000 Hz, 89 dB/w/m, 8 ohms, 27 watts continuous/80 watts peak but sadly no longer in production. 8 inches, huge AlNiCo magnet, no whizzer (mechanical crossover) so they beam like crazy at higher frequencies, $575 each when last available.I know of no other comparable drivers, but some exotic field coils from Europe might go as low.
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