Beyma 12MCB700 (8 Ohm) standard measurements on LoudspeakerLab. 97.7 dB sensitivity. Fs 51 Hz. Qts 0.270. Evidence grade C+ (57.0/100).
Fs: 51 Hz; Qts: 0.270; Qes: 0.290; Qms: 3.900; Vas: 59.50 L; Sd: 550.0 cm²; Re: 5.40 Ω; Le: 0.90 mH; Sensitivity: 97.7 dB; Nominal Z: 6.8 Ω; Measured range: 20-19421 Hz
On-axis flatness 45
Scored passband 90 Hz–2.9 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~23.1 L · Fb 82 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.