View HSM7, a 3-way loudspeaker design by @triodemike on LoudspeakerLab.
Preference rating 5.2 · F3 52 Hz · Max SPL 98 dB at 1 kHz · Min impedance 2.1 Ω · Sensitivity 94.1 dB · Estimated cost USD 737
Baffle 457 × 1219 mm