Purifi PTT6.5M04-NAA-08 standard | Fs 36 Hz, 90.7 dB, Qts 0.270 | LoudspeakerLab

Purifi PTT6.5M04-NAA-08 standard measurements on LoudspeakerLab. 90.7 dB sensitivity. Fs 36 Hz. Qts 0.270. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 36 Hz; Qts: 0.270; Qes: 0.280; Qms: 6.800; Vas: 22.70 L; Sd: 132.7 cm²; Re: 3.90 Ω; Le: 0.27 mH; Sensitivity: 90.7 dB; Nominal Z: 4.3 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 66 · DI tracking 12 · DI smoothness 33

Usable passband

Scored passband 78 Hz–4.1 kHz

Measurement coverage

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

Recommended enclosure

Vented ~8.8 L · Fb 58 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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