Axiom Home Page Forums General Discussion Stereo Active LFRs and room treatment question

How much of the front wall surface should be QRDd?

The area a PJ screen would occupy. Pretty much area between speakers in entirety.

Dont need floor to ceiling or anything, but likely wouldnt hurt.

Similar to this in this ridiculous video.

https://youtu.be/Tyt3lselVm0

Geez those two are so full of shite.

yup, manage to listen to them for a little over a minute then needed to disengage
But I saw what you sent us there for ... the QRD between the speakers .. never saw one that big before
How deep is your QRD Trevor?

(If I did know the meaning of them meaning of the last few lines ... I'd be flagging the mod about some pervert ... Mojo, that's your Q)

You have a lot more room behind your screen ... think it was what... 3 feet?

Yeah close to 40” or so to work with behind theater screen wall. QRD is 8” deep. In my other 2ch room I have Arqen’s fractal “diffusers” up front. Same idea just a gentler effect about 4” deep. I would go QRD vs any other type if you arent going to see them or have enough depth. They can be gorgeous if made from wood, but weigh a ton. Mine are both EPS foam based and painted solid color.

This guy copied their rooms front wall after his Sonus Faber visit. He still hasnt reviewed the M5s properly after his Axiom factory tour…. I guess he would vote for QRDs. Although his look shallow?

He is ridiculous too though….

https://youtu.be/raBihcmADDg

Maybe I’m ridiculous? Dunno.

One would need 1.5 foot deep QRD to get down to 200Hz?

A QRD may not do me any good with a 55" LCD smack dab in the center of the 12 foot speaker width.

I can see the M5s wouldn't interest him unless they wore a leather dress.

I'd love to take part or see a double blind test with some of these high dollar speakers and other brands that are less $$$$. Not just to be like " look at Axiom" but to really see if these technlogy atually work to makethe sound more enjoyable or real. The doulble blind test would sure make leather clad front baffles seem a bit frivolous. I cant say i'd pck axiom for sure in that test, i really dont know until i tried a test. That would be incredibly fun to see the results, especially with songs and music that I was familiar with. I guess in the it's all pretty subjective, but removing the visual out of the test to limit a speaker to how it actually sounds is the real test. His review of the Sonus Faber was interesting but revolved alot arounfd how they looked and a bit about how they sound. If all there was was the sound to talk about than I think reviews would be believable. I bet most manufacturers are not keen on particiapting in a double blind test bc they aren't sure how they would fair.

Wouldn't it have been sweet if those two pooftas had shown listening window and sound power curves to justify the use of the leather?

Yeah, exactly. Wheres the proof eh? Like sure they're beautiful to look at but dam you better hope they ound as great as they look. Agreed though, where are the graphs to back it up. Maybe on the website? I haven't looked to be honest. If i was a purchaser id be sceptical if the graphs were not available. There's not a ton of speaker builders that present graphs.

They don't publish any graphs. They never said the leather made any audible difference. They likely have no idea if they didn't characterize the speaker with and without the leather apron.