Beyma 8G40 (8 Ohm) standard measurements on LoudspeakerLab. 93.0 dB sensitivity. Fs 70 Hz. Qts 0.360. Evidence grade C (47.0/100).
Fs: 70 Hz; Qts: 0.360; Qes: 0.380; Qms: 6.800; Vas: 17.00 L; Sd: 220.0 cm²; Re: 6.10 Ω; Le: 1.30 mH; Sensitivity: 93.0 dB; Nominal Z: 7.7 Ω; Measured range: 20-19602 Hz
On-axis flatness 56
Scored passband 107 Hz–4.9 kHz
Spec-sheet profiles
Vented ~11.0 L · Fb 86 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.