Purifi PTT5.25X08-NFA-01 standard | Fs 32 Hz, 83.5 dB, Qts 0.270 | LoudspeakerLab

Purifi PTT5.25X08-NFA-01 standard measurements on LoudspeakerLab. 83.5 dB sensitivity. Fs 32 Hz. Qts 0.270. Evidence grade B (63.0/100).

Preview

Thiele-Small parameters

Fs: 32 Hz; Qts: 0.270; Qes: 0.280; Qms: 6.600; Vas: 13.20 L; Sd: 84.9 cm²; Re: 5.90 Ω; Le: 0.55 mH; Sensitivity: 83.5 dB; Nominal Z: 4.3 Ω; Measured range: 20-18625 Hz

Driver quality scores

On-axis flatness 61 · DI tracking 22 · DI smoothness 42 · THD 98 · Composite 54

Usable passband

Scored passband 74 Hz–5.4 kHz

Measurement coverage

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

Recommended enclosure

Vented ~5.1 L · Fb 52 Hz

Measurement profiles

Where to buy

Measurement quality

LoudspeakerLab evidence grade: B (63.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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