Scan-Speak 15M/4531K00 standard measurements on LoudspeakerLab. 89.5 dB sensitivity. Fs 42 Hz. Qts 0.270. Evidence grade C+ (57.0/100).
Fs: 42 Hz; Qts: 0.270; Qes: 0.280; Qms: 4.800; Vas: 16.00 L; Sd: 95.0 cm²; Re: 3.50 Ω; Le: 0.16 mH; Sensitivity: 89.5 dB; Nominal Z: 4.0 Ω; Measured range: 21-20000 Hz
On-axis flatness 58 · DI tracking 1 · DI smoothness 21
Scored passband 76 Hz–8.3 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~6.2 L · Fb 68 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.