Scan-Speak 30W/4558T00 standard measurements on LoudspeakerLab. 89.0 dB sensitivity. Fs 17 Hz. Qts 0.320. Evidence grade C+ (57.0/100).
Fs: 17 Hz; Qts: 0.320; Qes: 0.340; Qms: 5.010; Vas: 197.00 L; Sd: 466.0 cm²; Re: 2.60 Ω; Le: 0.83 mH; Sensitivity: 89.0 dB; Nominal Z: 4.0 Ω; Measured range: 22-16524 Hz
On-axis flatness 71 · DI tracking 49 · DI smoothness 44
Scored passband 38 Hz–2.2 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~102.0 L · Fb 23 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.