Dayton Audio ND65-8 standard measurements on LoudspeakerLab. 78.0 dB sensitivity. Fs 102 Hz. Qts 0.654. Evidence grade C+ (56.8/100).
Fs: 102 Hz; Qts: 0.654; Qes: 0.711; Qms: 8.226; Vas: 0.36 L; Sd: 16.6 cm²; Re: 7.39 Ω; Le: 0.61 mH; Sensitivity: 78.0 dB; Nominal Z: 8.2 Ω; Measured range: 15-20000 Hz
On-axis flatness 78 · DI tracking 88 · DI smoothness 78
Scored passband 151 Hz–1.5 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Sealed ~0.6 L
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.