Purifi PTT8.0X04-NAB-01 standard | Fs 26 Hz, 85.9 dB, Qts 0.360 | LoudspeakerLab

Purifi PTT8.0X04-NAB-01 standard measurements on LoudspeakerLab. 85.9 dB sensitivity. Fs 26 Hz. Qts 0.360. Evidence grade C (47.0/100).

Preview

Thiele-Small parameters

Fs: 26 Hz; Qts: 0.360; Qes: 0.380; Qms: 5.300; Vas: 70.40 L; Sd: 235.1 cm²; Re: 3.50 Ω; Le: 0.18 mH; Sensitivity: 85.9 dB; Nominal Z: 3.8 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 52

Usable passband

Scored passband 57 Hz–4.9 kHz

Measurement coverage

Spec-sheet profiles

Recommended enclosure

Vented ~45.6 L · Fb 32 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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