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PURIFI PTT8.0X04-NAB-02 Speaker Driver Full Range
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Purifi PTT8.0X04-NAB-02 Speaker Driver Full Range 350W 4 Ohm 89.3dB 20Hz-20kHz Ø20.32cm
The Purifi PTT8.0X04-NAB-02 is a 20.32 cm (8") speaker with a nominal impedance of 4Ω, designed to reproduce mid-range frequencies while maintaining usable extension in the bass and treble ranges. With its 350W power handling capacity and extremely low distortion level, even at full power, the PTT8.0X04-NAB-02 is the ideal choice of full-range loudspeaker for any Hi-Fi installation.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Full-range speaker |
| Power rating | 350W |
| Diameter | 20.32cm (8") |
| Frequency response | 20Hz-20kHz |
| Electrical and acoustic parameters | |
|---|---|
| Nominal impedance | 4Ω |
| Minimum impedance above resonance | 3.8Ω |
| Minimum impedance frequency | 241Hz |
| Maximum impedance | 52Ω |
| DC resistance | 3.5Ω |
| Voice coil inductance | 0.18mH |
| Sound pressure level (SPL) | 89.3dB @ 2.83Vrms/1m, 300Hz-800Hz 86.1dB @ 1W(Zmin)/1m, 300Hz-800H |
| Thiele & Small parameters | |
|---|---|
| Resonance frequency (fs) | 26Hz |
| Mechanical quality coefficient (Qms) | 5.3 |
| Electrical quality coefficient (Qes) | 0.38 |
| Total quality coefficient (Qts) | 0.36 |
| Equivalent volume (Vas) | 70.4L |
| Effective piston area (Sd) | 235.1cm² |
| Effective piston diameter (D) | 17.3cm |
| Mechanical resistance (Rms) | 1.32kg/s |
| Moving mass (Mms) | 43.2g |
| Suspension compliance (Cms) | 0.90mm/N |
| General | |
|---|---|
| Weight | 3.5kg |
| Package | Sold by unit |
| Speaker Power (W RMS) | 350.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 203.0 |
| Diaphragm type | Aluminium |
| Efficiency / Sensitivity (dB) | 89.0 |
| Max Linear Excursion (Xmax) (mm) | 15.0 |
| Lowest frequency (Hz) | 20 |
| Highest frequency (Hz) | 20000 |
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