Dayton Audio PM220-8 standard measurements on LoudspeakerLab. 104.6 dB sensitivity. Fs 49 Hz. Qts 0.380. Evidence grade C+ (56.8/100).
Fs: 49 Hz; Qts: 0.380; Qes: 0.410; Qms: 5.080; Vas: 63.00 L; Sd: 205.3 cm²; Re: 6.50 Ω; Le: 0.80 mH; Sensitivity: 104.6 dB; Nominal Z: 7.2 Ω; Measured range: 20-20000 Hz
On-axis flatness 48 · DI tracking 47 · DI smoothness 42
Scored passband 120 Hz–3.1 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~45.3 L · Fb 57 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.