BlieSMa M74B-6 midrange measurements on LoudspeakerLab. 96.7 dB sensitivity. Fs 440 Hz. Qts 0.840. Evidence grade C+ (55.8/100).
Fs: 440 Hz; Qts: 0.840; Qes: 0.940; Qms: 7.600; Sd: 50.2 cm²; Re: 5.60 Ω; Le: 0.04 mH; Sensitivity: 96.7 dB; Nominal Z: 5.8 Ω; Measured range: 100-19970 Hz
On-axis flatness 81 · DI tracking 72 · DI smoothness 50
Scored passband 881 Hz–6.4 kHz
Spec-sheet profiles · Off-axis H/V response data available.
LoudspeakerLab evidence grade: C+ (55.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.