Beyma 15MCS500 (8 Ohm) standard measurements on LoudspeakerLab. 97.4 dB sensitivity. Fs 46 Hz. Qts 0.480. Evidence grade C (47.0/100).
Fs: 46 Hz; Qts: 0.480; Qes: 0.500; Qms: 7.800; Vas: 134.00 L; Sd: 880.0 cm²; Re: 5.60 Ω; Le: 1.10 mH; Sensitivity: 97.4 dB; Nominal Z: 7.3 Ω; Measured range: 20-19844 Hz
On-axis flatness 64
Scored passband 67 Hz–1.6 kHz
Spec-sheet profiles
Vented ~160.7 L · Fb 43 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.