SB Acoustics SB29NRX75-8 standard measurements on LoudspeakerLab. 88.0 dB sensitivity. Fs 26 Hz. Qts 0.370. Evidence grade C+ (57.0/100).
Fs: 26 Hz; Qts: 0.370; Qes: 0.390; Qms: 7.060; Vas: 85.60 L; Sd: 312.0 cm²; Re: 6.20 Ω; Le: 2.30 mH; Sensitivity: 88.0 dB; Nominal Z: 8.0 Ω; Measured range: 21-19265 Hz
On-axis flatness 61 · DI tracking 79 · DI smoothness 51
Scored passband 37 Hz–1.5 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~58.3 L · Fb 31 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.