Purifi PTT6.5X08-NFA-06 standard | Fs 31 Hz, 85.9 dB, Qts 0.340 | LoudspeakerLab

Purifi PTT6.5X08-NFA-06 standard measurements on LoudspeakerLab. 85.9 dB sensitivity. Fs 31 Hz. Qts 0.340. Evidence grade C (47.0/100).

Preview

Thiele-Small parameters

Fs: 31 Hz; Qts: 0.340; Qes: 0.360; Qms: 5.600; Vas: 26.00 L; Sd: 132.7 cm²; Re: 5.90 Ω; Le: 0.52 mH; Sensitivity: 85.9 dB; Nominal Z: 6.6 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 55

Usable passband

Scored passband 63 Hz–4.0 kHz

Measurement coverage

Spec-sheet profiles

Recommended enclosure

Vented ~15.1 L · Fb 40 Hz

Measurement profiles

Where to buy

Measurement quality

LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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