Beyma -15MC500 (8 Ohm) standard measurements on LoudspeakerLab. 97.0 dB sensitivity. Fs 46 Hz. Qts 0.450. Evidence grade C (47.0/100).
Fs: 46 Hz; Qts: 0.450; Qes: 0.470; Qms: 7.800; Vas: 134.00 L; Sd: 880.0 cm²; Re: 5.60 Ω; Le: 1.10 mH; Sensitivity: 97.0 dB; Nominal Z: 7.2 Ω; Measured range: 20-19533 Hz
On-axis flatness 44
Scored passband 69 Hz–1.7 kHz
Spec-sheet profiles
Vented ~139.6 L · Fb 46 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.