Beyma 15WRS400 (8 Ohm) standard measurements on LoudspeakerLab. 99.0 dB sensitivity. Fs 36 Hz. Qts 0.330. Evidence grade C (47.0/100).
Fs: 36 Hz; Qts: 0.330; Qes: 0.350; Qms: 9.100; Vas: 236.00 L; Sd: 880.0 cm²; Re: 5.60 Ω; Le: 1.10 mH; Sensitivity: 99.0 dB; Nominal Z: 7.0 Ω; Measured range: 20-19171 Hz
On-axis flatness 52
Scored passband 71 Hz–2.4 kHz
Spec-sheet profiles
Vented ~129.1 L · Fb 48 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.