Purifi PTT5.25X04-NAA-05 standard | Fs 29 Hz, 83.8 dB, Qts 0.270 | LoudspeakerLab

Purifi PTT5.25X04-NAA-05 standard measurements on LoudspeakerLab. 83.8 dB sensitivity. Fs 29 Hz. Qts 0.270. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 29 Hz; Qts: 0.270; Qes: 0.280; Qms: 5.900; Vas: 11.80 L; Sd: 84.9 cm²; Re: 3.60 Ω; Le: 0.37 mH; Sensitivity: 83.8 dB; Nominal Z: 4.2 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 66 · DI tracking 30 · DI smoothness 26

Usable passband

Scored passband 67 Hz–4.7 kHz

Measurement coverage

Spec-sheet profiles · Off-axis H/V response data available.

Recommended enclosure

Vented ~4.6 L · Fb 47 Hz

Measurement profiles

Where to buy

Measurement quality

LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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