Beyma 18PWB1000FeS (8 Ohm) standard measurements on LoudspeakerLab. 95.2 dB sensitivity. Fs 27 Hz. Qts 0.380. Evidence grade C (47.0/100).
Fs: 27 Hz; Qts: 0.380; Qes: 0.400; Qms: 8.200; Vas: 317.00 L; Sd: 1255.0 cm²; Re: 6.00 Ω; Le: 2.00 mH; Sensitivity: 95.2 dB; Nominal Z: 7.5 Ω; Measured range: 20-19482 Hz
On-axis flatness 57
Scored passband 50 Hz–1.1 kHz
Spec-sheet profiles
Vented ~227.7 L · Fb 32 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.