Purifi Audio PTT5.25PR-NF2-01
5" (13cm) passive diaphragm
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/piece
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Description
The PTT5.25PR-NF2-01 from Purifi Audio is a 5" (13cm) passive cone system, also known as a passive radiator. This radiator is made of a proprietary fiber blend and offers a maximum mechanical excursion of ±14.0 mm. Important technical data are the resonant frequency of 20 Hz and a mechanical Q-factor of 9.9. With an equivalent volume of 13.1 liters and an effective piston area of 84.9 cm², this model is particularly efficient. The system weighs 0.25 kg and has physical dimensions such as a basket diameter of 147 mm and an installation depth of 38.5 mm.
General specifications
- Type: Passive radiator
- Size: 5.25 inch
- Membrane material: proprietary fiber blend
- Maximum mechanical deflection, Xmax ±14.0 mm
- Thiele/Small parameters
- Resonant frequency, fs 20 Hz
- Mechanical Q-factor, Qms 9.9
- Equivalent volume, Vas 13.1 l
- Effective piston area, Sd 84.9 cm²
- Effective piston diameter, D 10.4 cm
- Mechanical resistance, Rms 0.63 kg/s
- Moving mass, Mms 50.0 g
- Suspension conformity, Cms 1.28 mm/N
- Physical dimensions
- Basket diameter 147 mm
- Diameter of the cut-out 121 mm
- Diameter of the mounting hole pattern 138 mm
- Diameter of the mounting hole 4.2 mm
- Height of the outer flange 3.6 mm
- Installation depth 38.5 mm
- Weight 0.25 kg
