SEAS W18NX001 standard measurements on LoudspeakerLab. 87.5 dB sensitivity. Fs 40 Hz. Qts 0.340. Evidence grade C+ (57.0/100).
Fs: 40 Hz; Qts: 0.340; Qes: 0.410; Qms: 2.080; Vas: 24.00 L; Sd: 126.0 cm²; Re: 6.30 Ω; Le: 0.43 mH; Sensitivity: 87.5 dB; Nominal Z: 8.0 Ω; Measured range: 20-20000 Hz
On-axis flatness 56 · DI tracking 16 · DI smoothness 43
Scored passband 227 Hz–3.7 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~13.9 L · Fb 52 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.