Dayton Audio PC83-4 standard measurements on LoudspeakerLab. 85.8 dB sensitivity. Fs 80 Hz. Qts 0.538. Evidence grade C+ (56.8/100).
Fs: 80 Hz; Qts: 0.538; Qes: 0.639; Qms: 3.406; Vas: 1.89 L; Sd: 30.2 cm²; Re: 3.91 Ω; Le: 0.38 mH; Sensitivity: 85.8 dB; Nominal Z: 4.3 Ω; Measured range: 20-20000 Hz
On-axis flatness 47 · DI tracking 0 · DI smoothness 0
Scored passband 120 Hz–20.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~2.9 L · Fb 69 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.