Beyma 18PW1400FeS (8 Ohm) standard measurements on LoudspeakerLab. 100.8 dB sensitivity. Fs 32 Hz. Qts 0.270. Evidence grade C (47.0/100).
Fs: 32 Hz; Qts: 0.270; Qes: 0.280; Qms: 10.200; Vas: 228.90 L; Sd: 1255.0 cm²; Re: 5.10 Ω; Le: 1.20 mH; Sensitivity: 100.8 dB; Nominal Z: 9.4 Ω; Measured range: 20-19475 Hz
On-axis flatness 51
Scored passband 80 Hz–1.1 kHz
Spec-sheet profiles
Vented ~88.8 L · Fb 52 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.