Nokkrir tenglar á IPL

IPL - http://www.iplacoustics.co.uk
Heimsókn á staðinn - http://www.tubedistinctions.co.uk/ipl.htm
Julian setur saman S5TL - http://zerogain.com/forum/showthread.php?t=6136?t=6018
Julian ánægður með árangurinn - http://www.zerogain.com/forum/showthread.php?t=6443
Julian leitar leiða við að búa til x-over box - http://www.zerogain.com/forum/showthread.php?t=6018
Julina búinn að setja saman og setja upp - http://zerogain.com/forum/showpost.php?p=19&postcount=2
"A Speaker Kit with a Difference" - http://www.tnt-audio.com/casse/ipls3mtl2_e.html
Ýmsar skýrslur (review) um Transmission Line hátalara - http://www.t-linespeakers.org/projects/links.html