Purifi PTT6.5W04-NFA-06 standard | Fs 32 Hz, 90.4 dB, Qts 0.260 | LoudspeakerLab

Purifi PTT6.5W04-NFA-06 standard measurements on LoudspeakerLab. 90.4 dB sensitivity. Fs 32 Hz. Qts 0.260. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 32 Hz; Qts: 0.260; Qes: 0.280; Qms: 5.900; Vas: 28.30 L; Sd: 132.7 cm²; Re: 3.70 Ω; Le: 0.33 mH; Sensitivity: 90.4 dB; Nominal Z: 4.0 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 55 · DI tracking 4 · DI smoothness 23

Usable passband

Scored passband 74 Hz–4.1 kHz

Measurement coverage

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

Recommended enclosure

Vented ~10.4 L · Fb 54 Hz

Measurement profiles

Measurement quality

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

Manufacturer