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Purifi
PURIFI - 4" Passive Radiator - PTT4.0PR-NF2-01
PURIFI - 4" Passive Radiator - PTT4.0PR-NF2-01
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$399.95 AUD
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$399.95 AUD
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***CURRENTLY, ALL PURIFI DRIVERS ARE MADE TO ORDER WITH EXPECTED DELIVERY WITHIN 8-12 WEEKS***
Description:
The 4” passive radiator incorporates the easily recognizable PURIFI NeutralSurround suspension in order to eliminate Surround Radiation Distortion. With its low-distortion properties, long linear stroke and option for adding mass, the driver is eminently suited as a companion to the PTT4.0X drivers especially in compact speaker construction where a traditional reflex port would limit the performance.
Features:
- Vibroacoustic optimized cone and dust cap in proprietary paper fiber mix
- PURIFI Neutral Surround eliminates Surround Radiation Distortion (SRD)
- 14mm one-way peak excursion with constant Sd
- Mass Plug with M6 thread for adding extra mass
- Designed and manufactured in Denmark
Specifications:
| General Specifications | |
|---|---|
| Type | Passive Radiator |
| Size | 4in |
| Cone material | Proprietary Fiber Mix |
| Maximum mechanical excursion, Xmax | ±14.0mm |
| Mass Plug thread size | M6 |
| Thiele/Small Paramters | |
|---|---|
| Resonance frequency, fs | 24Hz |
| Mechanical Q factor, Qms | 7 |
| Equivalent volume, Vas | 6.4L |
| Effective piston area, Sd | 56.7cm2 |
| Effective piston diameter, D | 8.5cm |
| Mechanical resistance, Rms | 0.65kg/s |
| Moving mass, Mms | 30.0g |
| Suspension compliance, Cms | 1.41mm/N |
| Physical Dimensions | |
|---|---|
| Basket diameter | 125mm |
| Cutout diameter | 101mm |
| Mounting hole pattern diameter | 115mm |
| Mounting hole diameter | 4.2mm |
| Outer flange height | 3.6mm |
| Build-in depth | 39.5mm |
| Weight | 0.15kg |
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