Dayton Audio E150MR-4 standard measurements on LoudspeakerLab. 91.7 dB sensitivity. Fs 75 Hz. Qts 0.521. Evidence grade C+ (56.8/100).
Fs: 75 Hz; Qts: 0.521; Qes: 0.609; Qms: 3.619; Vas: 7.43 L; Sd: 100.3 cm²; Re: 3.64 Ω; Le: 0.08 mH; Sensitivity: 91.7 dB; Nominal Z: 4.1 Ω; Measured range: 10-20000 Hz
On-axis flatness 54 · DI tracking 0 · DI smoothness 36
Scored passband 113 Hz–13.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~10.8 L · Fb 66 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.