Dayton Audio GF180-8 standard measurements on LoudspeakerLab. 81.8 dB sensitivity. Fs 53 Hz. Qts 0.500. Evidence grade C+ (56.8/100).
Fs: 53 Hz; Qts: 0.500; Qes: 0.600; Qms: 3.070; Vas: 15.50 L; Sd: 130.2 cm²; Re: 8.00 Ω; Le: 1.90 mH; Sensitivity: 81.8 dB; Nominal Z: 8.5 Ω; Measured range: 20-20000 Hz
On-axis flatness 75 · DI tracking 55 · DI smoothness 24
Scored passband 80 Hz–4.2 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~20.7 L · Fb 48 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.