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The 5.25” passive radiator incorporates the easily recognizable PURIFI NeutralSurround suspension in order to eliminate Surround Radiation Distortion.
Highlights:
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
Product Details:
PURIFI PTT5.25PR-NF2-01 Passive Radiator
The 5.25” 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 PTT5.25X drivers especially in compact speaker construction where a traditional reflex port would limit the performance.
Specifications:
Woofer Type: Passive Radiator
Nominal Diameter: 5.25”
Resonant Frequency (Fs): 20 Hz
Mechanical Q (Qms): 9.9
Diaphragm Mass Inc. Airload (Mms): 50.0g
Mechanical Compliance of Suspension (Cms): 1.28mm/N
Surface Area of Cone (Sd): 84.9cm2
Compliance Equivalent Volume (Vas): 13.1L
Maximum Linear Excursion (Xmax): 7 mm
Driver's Mechanical Losses (Rms): 0.63kg/s
Cone / Diaphragm Material: Proprietary Fiber Mix
Overall Outside Diameter: 147mm
Overall Depth: 38.5mm
Baffle Cutout Diameter: 121mm
Mounting Hole Diameter: 4.2mm
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