Purifi PTT6.5X04-NFA-06 standard | Fs 30 Hz, 88.5 dB, Qts 0.290 | LoudspeakerLab

Purifi PTT6.5X04-NFA-06 standard measurements on LoudspeakerLab. 88.5 dB sensitivity. Fs 30 Hz. Qts 0.290. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 30 Hz; Qts: 0.290; Qes: 0.300; Qms: 7.300; Vas: 25.90 L; Sd: 132.7 cm²; Re: 3.60 Ω; Le: 0.38 mH; Sensitivity: 88.5 dB; Nominal Z: 4.2 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 63 · DI tracking 15 · DI smoothness 25

Usable passband

Scored passband 66 Hz–4.1 kHz

Measurement coverage

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

Recommended enclosure

Vented ~11.3 L · Fb 45 Hz

Measurement profiles

Where to buy

Measurement quality

LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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