Purifi PTT5.25X08-NAA-05 standard measurements on LoudspeakerLab. 82.2 dB sensitivity. Fs 30 Hz. Qts 0.300. Evidence grade C+ (57.0/100).
Fs: 30 Hz; Qts: 0.300; Qes: 0.320; Qms: 5.800; Vas: 12.40 L; Sd: 84.9 cm²; Re: 5.90 Ω; Le: 0.50 mH; Sensitivity: 82.2 dB; Nominal Z: 7.0 Ω; Measured range: 20-20000 Hz
On-axis flatness 60 · DI tracking 0 · DI smoothness 38
Scored passband 63 Hz–6.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~5.8 L · Fb 44 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.