Purifi PTT4.0PR-NF2-01 4" Passive Radiator

Purifi Audio PTT4.0PR-NF2-01 4" Fiber Cone Passive Radiator- 125mm- 30g

NF= Neutral Surround + Fiber Cone

Spec Sheet PDF

PTT4.0PR-NF2-01 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 PTT4.5W04 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
• Designed and Manufactured in Denmark

Purifi Audio PTT4.0PR-NF2-01 Datasheet

Purifi Application Notes and Downloads

HiFiCompass Page with a variety of box tunings including PR