Scan-Speak 18W/4434G00 standard measurements on LoudspeakerLab. 91.5 dB sensitivity. Fs 47 Hz. Qts 0.350. Evidence grade C+ (57.0/100).
Fs: 47 Hz; Qts: 0.350; Qes: 0.370; Qms: 7.810; Vas: 20.70 L; Sd: 137.0 cm²; Re: 3.00 Ω; Le: 0.39 mH; Sensitivity: 91.5 dB; Nominal Z: 4.0 Ω; Measured range: 22-15501 Hz
On-axis flatness 72 · DI tracking 12 · DI smoothness 43
Scored passband 78 Hz–4.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~12.8 L · Fb 59 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.