Purifi PTT1.3T04-HAG-10 standard measurements on LoudspeakerLab. 93.6 dB sensitivity. Fs 680 Hz. Qts 0.282. Evidence grade C+ (56.4/100).
Fs: 680 Hz; Qts: 0.282; Qes: 0.341; Qms: 1.611; Sd: 9.5 cm²; Re: 3.50 Ω; Le: 0.01 mH; Sensitivity: 93.6 dB; Nominal Z: 3.9 Ω; Measured range: 94-47906 Hz
On-axis flatness 80 · DI tracking 88 · DI smoothness 77
Scored passband 1360 Hz–6.4 kHz
Spec-sheet profiles · Off-axis H/V response data available.
LoudspeakerLab evidence grade: C+ (56.4/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.