Purifi PTT10.0X04-NAB-01 10" Aluminum Cone Woofer - 4 ohm

PTT10.0X04-NAB-01 10" Low Distortion Aluminum Cone Woofer- 269mm- 4 ohm- 88 dB with Black Matte Finish

NA= Neutral Surround + Aluminum Cone

Spec Sheet PDF

The PTT10.0X04-NAB-01 design embodies the main proprietary technologies from PURIFI - an ultra linear motor with a very advanced magnetic system and a symmetrical neutral surround.

This 10" is a member of the ultra low distortion extended-stroke woofer family from PURIFI. The driver incorporates the easily recognizable PURIFI NeutralSurround suspension and ultra-linear PURIFI PureDrive motor system working in concert to enable record-breaking linearity specifications over an extended bandwidth.

Hi-Fi Compass Review

The PTT10.0X04-NAB-01 features:

• Vibroacoustic optimized cone and dust cap in black anodized aluminum
• Negligible Force Factor Modulation (FFM) and Surround Radiation Distortion (SRD)
• Ultra Low Magnetic Hysteresis Distortion (MHD)
• "Real" long-stroke performance with distortion remaining low over full excursion
• Designed and manufactured in Denmark

Sample Box Tunings:

• .5 cf3 sealed, well-damped, F3 about 66 Hz.
• 1.0 cf3 vented, moderate damping, Fb 28 Hz, F3 38 Hz with 2" double-flared vent 8.3" length
• 1.5 cf3 vented, moderate damping, Fb 25 Hz, F3 33 Hz with 2" double-flared vent 6.5" length
• 2.0 cf3 vented, moderate damping, Fb 24 Hz, F3 31 Hz with 2" double-flared vent 5.4" length