TL series
The TL series was our transmission line work of late 2008. Both TL7 kits use a tapered single-fold line, modified SDX7 woofers in a mirror-imaged MTM layout and a 3rd order crossover at 1700 Hz. The TL7 R uses our RA104.5 ribbon tweeter; the TL7 O uses the OW4 Hiquphon Platinum dome.