Purifi PTT4.0X08-NAC-03 standard | Fs 43 Hz, 81.2 dB, Qts 0.390 | LoudspeakerLab

Purifi PTT4.0X08-NAC-03 standard measurements on LoudspeakerLab. 81.2 dB sensitivity. Fs 43 Hz. Qts 0.390. Evidence grade B (63.0/100).

Preview

Thiele-Small parameters

Fs: 43 Hz; Qts: 0.390; Qes: 0.430; Qms: 4.100; Vas: 5.30 L; Sd: 56.7 cm²; Re: 6.50 Ω; Le: 0.56 mH; Sensitivity: 81.2 dB; Nominal Z: 6.1 Ω; Measured range: 20-18625 Hz

Driver quality scores

On-axis flatness 69 · DI tracking 10 · DI smoothness 43 · THD 96 · Composite 53

Usable passband

Scored passband 68 Hz–6.5 kHz

Measurement coverage

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

Recommended enclosure

Vented ~4.0 L · Fb 49 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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