Scan-Speak 18W/8424G00 standard measurements on LoudspeakerLab. 89.5 dB sensitivity. Fs 54 Hz. Qts 0.450. Evidence grade C+ (57.0/100).
Fs: 54 Hz; Qts: 0.450; Qes: 0.510; Qms: 4.040; Vas: 20.30 L; Sd: 137.0 cm²; Re: 5.70 Ω; Le: 0.69 mH; Sensitivity: 89.5 dB; Nominal Z: 8.0 Ω; Measured range: 21-20000 Hz
On-axis flatness 76 · DI tracking 0 · DI smoothness 11
Scored passband 85 Hz–7.6 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~21.1 L · Fb 54 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.