Do you think tha'ts because the rear window is reasonably tall, in spite of the large area for the spider plate and magnet? Are you going to try the RS180's "officially", or stick with the CA18 for your design?
I hope to do some measurements of these pretty soon- maybe this weekend, if not, definitely the weekend following.
I've wondered about making a version of the Arvo dipole more like my first proto, with the 11" woofers, possibly Splinter sound drivers, but with the RS180 on top. OTOH, it's not like I need another permutation! Since MFK is doing one, and you're experimenting with this also, I'll just sit back and see what you guys come up with, while I finish tuning the current Arvo's and start the serious construction drawing for the Saint-Saen. I ran the excursion/SPL calcs on what I think will be my first build concept for those, and it's looking good for my target SPL of 107 dB. (dual TC2+ on each side (OK down to ~35 Hz for 4 assuming low bass fed to both channnels), ~70 Hz crossover to 8 Extremis 6 (OK to 50 Hz for 8 @ 107 dB), then the RD50's, then JP2's.)
I hope to do some measurements of these pretty soon- maybe this weekend, if not, definitely the weekend following.
I've wondered about making a version of the Arvo dipole more like my first proto, with the 11" woofers, possibly Splinter sound drivers, but with the RS180 on top. OTOH, it's not like I need another permutation! Since MFK is doing one, and you're experimenting with this also, I'll just sit back and see what you guys come up with, while I finish tuning the current Arvo's and start the serious construction drawing for the Saint-Saen. I ran the excursion/SPL calcs on what I think will be my first build concept for those, and it's looking good for my target SPL of 107 dB. (dual TC2+ on each side (OK down to ~35 Hz for 4 assuming low bass fed to both channnels), ~70 Hz crossover to 8 Extremis 6 (OK to 50 Hz for 8 @ 107 dB), then the RD50's, then JP2's.)
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