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PURIFI PTT8.0X08-NAB-02 Speaker Driver Full Range
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Purifi PTT8.0X08-NAB-02 Speaker Driver Full Range 300W 8 Ohm 86.4dB 20Hz-20kHz Ø20.32cm
The Purifi PTT8.0X04-NAB-02 is an 8-inch (20.32 cm) loudspeaker with a nominal impedance of 8Ω, designed to deliver accurate midrange reproduction whilst maintaining a usable extension in the bass and treble ranges. With a power handling capacity of 300W and extremely low distortion, even at full power, the PTT8.0X04-NAB-02 is the ideal choice of full-range speaker for any Hi-Fi system.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Full-range speaker |
| Power rating | 300W |
| Diameter | 20.32cm (8") |
| Frequency response | 20Hz-20kHz |
| Electrical and acoustic parameters | |
|---|---|
| Nominal impedance | 8Ω |
| Minimum impedance above resonance | 6.6Ω |
| Minimum impedance frequency | 223Hz |
| Maximum impedance | 100Ω |
| DC resistance | 6Ω |
| Voice coil inductance | 0.33mH |
| Sound pressure level (SPL) | 86.4dB @ 2.83Vrms/1m, 300Hz-800Hz 85.6dB @ 1W(Zmin)/1m, 300Hz-800H |
| Thiele & Small parameters | |
|---|---|
| Resonance frequency (fs) | 24Hz |
| Mechanical quality coefficient (Qms) | 5.8 |
| Electrical quality coefficient (Qes) | 0.37 |
| Total quality coefficient (Qts) | 0.35 |
| Equivalent volume (Vas) | 74.5L |
| Effective piston area (Sd) | 235.1cm² |
| Effective piston diameter (D) | 17.3cm |
| Mechanical resistance (Rms) | 1.22kg/s |
| Moving mass (Mms) | 47.6g |
| Suspension compliance (Cms) | 0.95mm/N |
| General | |
|---|---|
| Weight | 3.5kg |
| Package | Sold by unit |
| Speaker Power (W RMS) | 300.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 203.0 |
| Diaphragm type | Aluminium |
| Efficiency / Sensitivity (dB) | 86.4 |
| Max Linear Excursion (Xmax) (mm) | 15.0 |
| Lowest frequency (Hz) | 20 |
| Highest frequency (Hz) | 20000 |
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