Purifi Audio PTT6.5PR-NA2-03
6.5" (16.5cm) passive diaphragm
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Description
The PTT6.5PR-NA2-03 from Purifi Audio is a 6.5" (16.5 cm) passive cone with a vibro-acoustically optimized cone and a dust cap made of black anodized aluminium. Equipped with Purifi Neutral Surround technology, this passive radiator eliminates Surround Radiation Distortion (SRD). It offers a one-sided peak excursion of 15 mm with constant Sd and has a ground plug with M6 thread for additional mass. Designed and manufactured in Denmark, the PTT6.5PR-NA2-03 is characterized by its high quality and precision.
Features
- Vibroacoustically optimized cone and dust cover made of black anodized aluminium
- PURIFI Neutral Surround eliminates Surround Radiation Distortion (SRD)
- 15 mm one-sided tip deflection with constant Sd
- Grounding plug with M6 thread for additional grounding
- Developed and manufactured in Denmark
General specifications
- Type: Passive radiator
- Size: 6.5 inch
- Cone material: Black anodized aluminium
- Maximum mechanical deflection, Xmax ±15.0 mm
- Dimensions: Thread size of the plug: M6
- Thiele/Small parameters
- Resonant frequency, fs: 19 Hz
- Mechanical Q-factor, Qms: 13.1
- Equivalent volume, Vas: 20.5 l
- Effective piston area, Sd 132.7 cm2
- Effective piston diameter, D 13.0 cm
- Mechanical resistance, Rms 0.78 kg/s
- Moving mass, Mms 85.0 g
- Suspension conformity, Cms 0.82 mm/N
- Physical dimensions
- Diameter of the basket 176 mm
- Diameter of the cut-out 148 mm
- Diameter of the mounting hole pattern 166 mm
- Diameter of the mounting hole 5.2 mm
- Height of the outer flange 3.6 mm
- Installation depth 49.0 mm
- Weight 0.25 kg
