Scan-Speak 12MU/4731T00 standard measurements on LoudspeakerLab. 90.0 dB sensitivity. Fs 64 Hz. Qts 0.240. Evidence grade C+ (57.0/100).
Fs: 64 Hz; Qts: 0.240; Qes: 0.260; Qms: 3.640; Vas: 5.40 L; Sd: 58.0 cm²; Re: 3.10 Ω; Le: 0.11 mH; Sensitivity: 90.0 dB; Nominal Z: 4.0 Ω; Measured range: 22-5996 Hz
On-axis flatness 75 · DI tracking 0 · DI smoothness 0
Scored passband 110 Hz–20.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~1.7 L · Fb 117 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.