Dayton Audio UMII10-22 standard measurements on LoudspeakerLab. 86.4 dB sensitivity. Fs 39 Hz. Qts 0.570. Evidence grade C+ (56.8/100).
Fs: 39 Hz; Qts: 0.570; Qes: 0.730; Qms: 2.670; Vas: 21.20 L; Sd: 345.0 cm²; Re: 4.00 Ω; Le: 0.74 mH; Sensitivity: 86.4 dB; Nominal Z: 4.6 Ω; Measured range: 5-20000 Hz
On-axis flatness 68 · DI tracking 100 · DI smoothness 100
Scored passband 58 Hz–350 Hz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~38.3 L · Fb 32 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.