PURIFI PTT6.5PR-NF1-01 Passive Radiator
PURIFI PTT6.5PR-NF1-01 Passive Radiator
The PTT6.5PR-NF1-01 is a 6.5” high-performance passive radiator featuring PURIFI ' s research-based technologies, including the Natural Surround and a cone made from a proprietary fiber mix.
PURIFI PTT6.5PR-NF1-01 Passive Radiator
The PTT6.5PR-NF1-01 is a 6.5” high-performance passive radiator featuring PURIFI ' s research-based technologies, including the Natural Surround and a cone made from a proprietary fiber mix.
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Highlights
A whole new take on passive radiator design
PURIFI ’s Natural Surround Bimax spider
Engineered and manufactured in Denmark
High linear excursion limit
Tunable mass
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Product Details
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The challenge
Loudspeaker drivers are known to add a large, if not the largest, amount of distortion on an audio signal chain. Reducing this distortion is a challenge with the complication of fine-tuning to improve one part (e.g. harmonic distortion) often results in a degradation of another part (e.g. intermodulation distortion). These distortions consist out of several separate distortion mechanisms. By carefully mapping and completely understanding these mechanisms, PURIFI succeeded in improving the overall performance by a large degree.
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A whole new take on driver design
PURIFI developed mathematical models for the suspension, cone, and surround. These models allowed for the optimization of different distortion mechanisms separately. The result makes that the PTT6.5PR-NF1-01 is a perfect passive radiator to accompany the PTT6.5W04 and PTT6.5W08 long-stroke bass-midwoofers.
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Specifications
Article number PTT6.5PR-NF1-01
Woofer Series -
Woofer Type Passive radiator
Nominal Diameter 6.5"
Power Handling (RMS) -
Power Handling (max) -
Continuous Program Power -
Impedance (Z) -
Sensitivity -
Frequency Response -
Voice Coil Diameter -
Magnet Weight -
DC Resistance (Re) -
Voice Coil Inductance (Le) -
Resonant Frequency (Fs) 17 Hz
Mechanical Q (Qms) 10.9
Electromagnetic Q (Qes) -
Total Q (Qts) -
Diaphragm Mass Inc. Airload (Mms) 80g
Moving Mass Of Diaphragm (Mmd) -
Mechanical Compliance of Suspension (Cms) 1.05 mm/N
Surface Area of Cone (Sd) 133 cm²
Volume of Displacement (Vd) 199.5 cm³
BL Product (BL) -
Compliance Equivalent Volume (Vas) 26.2 liter
Maximum Linear Excursion (Xmax) 15 mm
Driver's Mechanical Losses (Rms) -
Cone / Diaphragm Material Proprietary Fibre Mix Surround
Material Nitrile rubber
Voice Coil Wire Material -
Voice Coil Former -
Dual Voice Coil -
Basket / Frame Material Aluminum alloy diecast
Magnet Material -
Shielded -
Overall Outside Diameter 176 mm
Overall Depth 48.7 mm
Baffle Cutout Diameter 144 mm
Bolt Circle Diameter 166 mm
# Mounting Holes 6
Mounting Hole Diameter 5.1 mm
Sealed Volume -
Sealed F3 -
Vented Volume -
Vented F3 -
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