Joseph Crowe's Custom Speakers and Audio Products - It's confirmed...the Purifi PTT6.5 woofer does indeed compete with the big boys. The 6.5"Purifi woofer actually produces less distortion at 105dB than a 12"
Purifi Audio PTT6.5X04-NFA-01 Acheter un haut-parleur de graves-médiums 6.5" (16,5cm) - Masori.fr
Purifi Audio PTT6.5W04-01A 6.5 Inch Woofer Review | Audio Science Review (ASR) Forum