Beyma 6B30P (8 Ohm) standard measurements on LoudspeakerLab. 88.4 dB sensitivity. Fs 56 Hz. Qts 0.500. Evidence grade C (47.0/100).
Fs: 56 Hz; Qts: 0.500; Qes: 0.600; Qms: 3.000; Vas: 15.60 L; Sd: 140.0 cm²; Re: 5.50 Ω; Le: 0.30 mH; Sensitivity: 88.4 dB; Nominal Z: 6.6 Ω; Measured range: 20-19419 Hz
On-axis flatness 50
Scored passband 76 Hz–7.1 kHz
Spec-sheet profiles
Vented ~20.8 L · Fb 51 Hz
LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.