Purifi PTT4.0M04-NAC-03 standard | Fs 48 Hz, 87.3 dB, Qts 0.280 | LoudspeakerLab

Purifi PTT4.0M04-NAC-03 standard measurements on LoudspeakerLab. 87.3 dB sensitivity. Fs 48 Hz. Qts 0.280. Evidence grade B (63.0/100).

Preview

Thiele-Small parameters

Fs: 48 Hz; Qts: 0.280; Qes: 0.300; Qms: 4.200; Vas: 5.00 L; Sd: 56.7 cm²; Re: 3.40 Ω; Le: 0.26 mH; Sensitivity: 87.3 dB; Nominal Z: 3.4 Ω; Measured range: 20-18625 Hz

Driver quality scores

On-axis flatness 63 · DI tracking 13 · DI smoothness 42 · THD 95 · Composite 51

Usable passband

Scored passband 97 Hz–7.3 kHz

Measurement coverage

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

Recommended enclosure

Vented ~2.1 L · Fb 75 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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