SB Acoustics SB17MFC35-4 standard measurements on LoudspeakerLab. 90.0 dB sensitivity. Fs 30 Hz. Qts 0.280. Evidence grade C+ (57.0/100).
Fs: 30 Hz; Qts: 0.280; Qes: 0.300; Qms: 5.200; Vas: 45.00 L; Sd: 118.0 cm²; Re: 3.10 Ω; Le: 0.13 mH; Sensitivity: 90.0 dB; Nominal Z: 4.0 Ω; Measured range: 45-19183 Hz
On-axis flatness 50 · DI tracking 0 · DI smoothness 15
Scored passband 44 Hz–10.9 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~18.5 L · Fb 47 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.