[quote user="bigdaddy"] Ok whatever. Neither are my Klipsch Fortes but I'll put them against plenty of speakers that are. I'll grant the speakers that are certified by THX are capable but I'll also add there are lots of speakers out there that are as capable and choose not to PAY to be certified by THX. It's a marketing tool. THX does not do this out the kindness of their heart. Rather it's done for profit period. The pro media 2.1 setup is THX certified does that make

[quote user="bigdaddy"] Klipsch's RT-12D sub is designed to be in a corner. [/quote] And it is not THX Certified ...and for good reason .... I will try to address this in my other thread on Subwoofers and proper placement.

[quote user="lakedmb"][quote user="DrWho"]So what does becomming a certified technician actually entail?[/quote] \ I was wondering the same thing......[/quote] It entails spending some cash and taking a 3 day course on THX, all their technologies, how and why they work etc....a lot of it is hands on calibration, testing etc...and a lot of it is theory and calculations ...people on the course range from home theater installers who want to learn how to do things a "better"

[quote user="elninoloco7"] Yes the red line is a curtain. its a room but within the same theater room. The room start in the left and finishes like 6 inches from the right of the center speaker[/quote] The left sub then should go in the middle of that entire wall, including the back room ...the standing waves first dip will be in the middle of that wall, and that is also where your first row is roughly ....then put the other sub across from it on the right wall, slightly ahead of center

Yes, but the subs should be exactly in the center ...the look a little more towards the rear (I know it's only a rough diagram). Is the red line your curtain and does the actual room extend to the back behind it? if that left wall is actually longer and the signal passes through the curtain to the back that will affect the placement and sound as well.

Just a couple observations here ...I just started a new thread on subwoofer placement ... 1. Place your subs in the middle of each side wall across from each other....directly in the middle of the length of the side walls, one on each side. You could do front and back as well, but your would have to put the rear sub into the wall since you have seats there. THX recommended spec for 2 subs is opposite each other on opposing walls in the center of the wall. Face the drivers inwards towards the center

This is a new thread on proper subwoofer placement according to THX standards. Some of the info in here will get pretty in depth, however, see the "6 spots to put a single subwoofer" to help you out. I will also mention dual sub, and quad sub configurations.

Gonna start a new thread on Subwoofer placement based on THX standards.....made some adjustments to my numbers in my above posts after referencing my notes .... Please direct any sub questions to the new Sub thread. Thx

[quote] Thanks Robin - I will leave as is. My tv is on a stand/cabinet and therefore the sub would need to stay where it is, as if I put it on the side wall then the sub driver is not facing the same direction as my mains. I apologise for hijacking the original post. [/quote] The sub's driver should face the listening location, as do the speakers. if the sub is on the side wall, it's driver will face inward towards the room even though your mains will face perpendicular to that ..... See

Please direct questions to the Ask a THX Technician post ..... we are clogging up Steve's original post and getting off topic (which is partly my own fault).. I love to educate, and can take criticism as well ....I'm just here to make your gear sound it's best!