BlieSMa M74A-6 midrange measurements on LoudspeakerLab. 94.2 dB sensitivity. Fs 400 Hz. Qts 0.670. Evidence grade C+ (55.8/100).
Fs: 400 Hz; Qts: 0.670; Qes: 0.750; Qms: 6.400; Sd: 50.2 cm²; Re: 5.60 Ω; Le: 0.04 mH; Sensitivity: 94.2 dB; Nominal Z: 5.7 Ω; Measured range: 100-19970 Hz
On-axis flatness 77 · DI tracking 76 · DI smoothness 51
Scored passband 808 Hz–5.4 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.