View Mechano23, a 2-way loudspeaker design by @James on LoudspeakerLab.
Preference rating 5.7 · F3 71 Hz · Max SPL 82 dB at 1 kHz · Min impedance 4.1 Ω · Sensitivity 63.7 dB · Estimated cost USD 156
Baffle 186 × 298 mm