Purifi PTT6.5M08-NFA-01 standard | Fs 52 Hz, 91.5 dB, Qts 0.340 | LoudspeakerLab

Purifi PTT6.5M08-NFA-01 standard measurements on LoudspeakerLab. 91.5 dB sensitivity. Fs 52 Hz. Qts 0.340. Evidence grade B (63.0/100).

Preview

Thiele-Small parameters

Fs: 52 Hz; Qts: 0.340; Qes: 0.370; Qms: 4.000; Vas: 13.20 L; Sd: 132.7 cm²; Re: 6.20 Ω; Le: 0.39 mH; Sensitivity: 91.5 dB; Nominal Z: 5.7 Ω; Measured range: 20-18625 Hz

Driver quality scores

On-axis flatness 50 · DI tracking 0 · DI smoothness 0 · THD 97 · Composite 37

Usable passband

Scored passband 93 Hz–8.8 kHz

Measurement coverage

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

Recommended enclosure

Vented ~7.7 L · Fb 67 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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