Dayton Audio PM180-8 standard measurements on LoudspeakerLab. 106.5 dB sensitivity. Fs 53 Hz. Qts 0.280. Evidence grade C+ (56.8/100).
Fs: 53 Hz; Qts: 0.280; Qes: 0.300; Qms: 4.130; Vas: 28.00 L; Sd: 130.7 cm²; Re: 6.40 Ω; Le: 0.68 mH; Sensitivity: 106.5 dB; Nominal Z: 7.1 Ω; Measured range: 20-20000 Hz
On-axis flatness 49 · DI tracking 60 · DI smoothness 44
Scored passband 124 Hz–3.7 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~11.5 L · Fb 83 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.