PURIFI PTT6.5X04-NFA-06 Bass-midwoofer

The PURIFI PTT6.5X04-NFA-06 is a 6.5-inch ultra-low-distortion long-throw driver engineered for audiophiles and system builders who demand the highest fidelity in bass and mid-bass reproduction. With a 4-ohm impedance and a linear excursion of 10 mm, this driver delivers exceptionally clean, articulate low frequencies that remain free from coloration even at high output levels. It is ideally suited for use in high-end two-way or multi-way loudspeakers, as well as dedicated subwoofer systems where precision and transient response are paramount.

Technically, the driver features an aluminium voice coil with a DC resistance of 3.7 ohms and a low inductance of 0.38 mH, ensuring excellent control and minimal distortion. The total Q factor of 0.27 and mechanical Q of 5.8 indicate a well-damped design that integrates seamlessly into sealed or vented enclosures. With a sensitivity of 88.7 dB SPL at 2.83V/1m and a displacement volume of 132.7 cm³, it offers impressive output capability. The mounting cut-out diameter is 149 mm, with a screw circle of 166 mm and a depth of 90.2 mm, making it straightforward to install. For those seeking reference-grade performance in a compact form factor, the PURIFI PTT6.5X04-NFA-06 sets a new benchmark in low-distortion audio reproduction.