Purifi PTT5.25M04-NAA-05 standard | Fs 39 Hz, 88.0 dB, Qts 0.240 | LoudspeakerLab

Purifi PTT5.25M04-NAA-05 standard measurements on LoudspeakerLab. 88.0 dB sensitivity. Fs 39 Hz. Qts 0.240. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 39 Hz; Qts: 0.240; Qes: 0.250; Qms: 6.500; Vas: 9.90 L; Sd: 84.9 cm²; Re: 3.90 Ω; Le: 0.26 mH; Sensitivity: 88.0 dB; Nominal Z: 4.3 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 56 · DI tracking 28 · DI smoothness 25

Usable passband

Scored passband 86 Hz–6.2 kHz

Measurement coverage

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

Recommended enclosure

Vented ~3.2 L · Fb 71 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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