Purifi PTT5.25PR-NF2-01 5.25" Passive Radiator

Purifi Audio PTT5.25PR-NF2-01 5.25" Fiber Cone Passive Radiator -147mm- 50g

Spec Sheet PDF




Purifi Audio PTT5.25PR-NF2-01 5.25" Passive Radiator incorporates PURIFI’s Neutral Surround technology in order to eliminate Surround Radiation Distortion. With its low-distortion properties, long linear stroke and tunable mass, the driver is eminently suited as a companion to PTT5.25W especially in compact speaker construction where a traditional reflex port would limit the performance.

• PURIFI Neutral Surround eliminates Surround Radiation Distortion
• 28mm peak-peak excursion with constant Sd
• Adjustable mass for optimal tuning via M6 thread
• Designed and Manufactured in Denmark

Purifi Application Notes and Downloads

HiFiCompass Page with a variety of box tunings including PR


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