SEAS ER18RNX standard measurements on LoudspeakerLab. 88.5 dB sensitivity. Fs 37 Hz. Qts 0.320. Evidence grade C+ (57.0/100).
Fs: 37 Hz; Qts: 0.320; Qes: 0.390; Qms: 1.580; Vas: 32.00 L; Sd: 136.0 cm²; Re: 5.90 Ω; Le: 0.67 mH; Sensitivity: 88.5 dB; Nominal Z: 8.0 Ω; Measured range: 19-20000 Hz
On-axis flatness 65 · DI tracking 48 · DI smoothness 44
Scored passband 214 Hz–3.9 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~16.6 L · Fb 51 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.