SB Acoustics SB36WBAC21-4 standard measurements on LoudspeakerLab. 77.0 dB sensitivity. Fs 200 Hz. Qts 0.410. Evidence grade C+ (57.0/100).
Fs: 200 Hz; Qts: 0.410; Qes: 1.050; Qms: 0.680; Vas: 0.02 L; Sd: 4.2 cm²; Re: 3.40 Ω; Le: 0.12 mH; Sensitivity: 77.0 dB; Nominal Z: 4.0 Ω; Measured range: 203-20000 Hz
On-axis flatness 71 · DI tracking 88 · DI smoothness 56
Scored passband 1506 Hz–20.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~0.0 L · Fb 217 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.