Dayton Audio RSS265HO-4 standard measurements on LoudspeakerLab. 82.3 dB sensitivity. Fs 27 Hz. Qts 0.350. Evidence grade C (46.8/100).
Fs: 27 Hz; Qts: 0.350; Qes: 0.390; Qms: 4.020; Vas: 29.40 L; Sd: 349.7 cm²; Re: 3.50 Ω; Le: 1.74 mH; Sensitivity: 82.3 dB; Nominal Z: 4.9 Ω; Measured range: 20-20000 Hz
On-axis flatness 63
Scored passband 41 Hz–2.3 kHz
Spec-sheet profiles
Vented ~18.1 L · Fb 34 Hz
LoudspeakerLab evidence grade: C (46.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.