Purifi PTT6.5X04-NAA-08 standard | Fs 32 Hz, 77.3 dB, Qts 0.350 | LoudspeakerLab

Thiele-Small parameters

Fs: 32 Hz; Qts: 0.350; Qes: 0.370; Qms: 7.500; Vas: 20.50 L; Sd: 132.7 cm²; Re: 3.70 Ω; Le: 0.36 mH; Sensitivity: 77.3 dB; Nominal Z: 4.2 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 56

Usable passband

Scored passband 62 Hz–4.4 kHz

Measurement coverage

Spec-sheet profiles

Recommended enclosure

Vented ~12.7 L · Fb 40 Hz

Measurement profiles

• spec sheet (spec_sheet)

Where to buy

• madisound — $583.00 USD
• solen — $754.56 CAD
• soundimports — $388.39 EUR

Measurement quality

LoudspeakerLab evidence grade: C (47.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

Manufacturer

• Purifi