Scan-Speak 18WE/8542T00 standard measurements on LoudspeakerLab. 89.0 dB sensitivity. Fs 50 Hz. Qts 0.320. Evidence grade C+ (57.0/100).
Fs: 50 Hz; Qts: 0.320; Qes: 0.340; Qms: 5.010; Vas: 16.00 L; Sd: 133.0 cm²; Re: 6.30 Ω; Le: 0.14 mH; Sensitivity: 89.0 dB; Nominal Z: 8.0 Ω; Measured range: 21-17120 Hz
On-axis flatness 56 · DI tracking 0 · DI smoothness 10
Scored passband 85 Hz–7.7 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~8.3 L · Fb 69 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.