Corner Base Trap Completed Project

RobinKidderminster

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Forgive me for starting a new post but if anyone is interested these have been my 'travels' into the room treatment world. Have to say at this stage its looking very good but I now need to start listening to some music and films ...

First thoughts - http://www.whathifi.com/forum/home-cinema/corner-base-trap-project

Begining to build - http://www.whathifi.com/forum/home-cinema/corner-base-trap-project-part-2

Final Pix -

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23.jpg


And now to evaluate ! .....
 

sta99y

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Just loving your enthusiasm!!!! I have did have and do have room eq troubles cause of a wall 7ft tall and 16ft long made of glass!!! Try and eq that with a wife who likes vetical blinds!

You have done a great job and neat too, sound different??

Robin may I ask how do you find the 2065? I may buy a 2nd hand one in the very very near future! Sorry to be off topic and pls see my sig for my kit.

Darrell
 

RobinKidderminster

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16x7 in glass! I'd like to see that! Don't take up stone throwing. I wonder if vertical blinds may be good if closed? Need an experts view I guess. I think my present kit is now as good as I need. I am pleased with the 2065 recommended and bought from HiFix. Not convinced about the yammy eq since it gives a rather dull sound but easy to tweak to my liking. I usually use the most 'pure' settings which sounds good for bluray, Sky DD and music. I don't claim any expertise just an ameteur enthusiast. I do think that u can spend a fortune on kit but if the room is poor then the benefits are minimal. Extensive room treatment for me and most is not an option but I am pleased on my recent efforts.

Cheers
 

sta99y

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RobinKidderminster said:
16x7 in glass! I'd like to see that! Don't take up stone throwing. I wonder if vertical blinds may be good if closed? Need an experts view I guess. I think my present kit is now as good as I need. I am pleased with the 2065 recommended and bought from HiFix. Not convinced about the yammy eq since it gives a rather dull sound but easy to tweak to my liking. I usually use the most 'pure' settings which sounds good for bluray, Sky DD and music. I don't claim any expertise just an ameteur enthusiast. I do think that u can spend a fortune on kit but if the room is poor then the benefits are minimal. Extensive room treatment for me and most is not an option but I am pleased on my recent efforts.

Cheers
Hi,

16x7 in glass yessss!! basically a rectangle room 16ft long 11'6" wide, sofa against wall and tv on wall opposite at 16ft away, to the right is a wall with double bi-fold doors and to the left is a 4ft wide glass panel floor to ceiling, then two 4ft sliding patio doors, and another 4ft glass panel floor to ceiling. We have those ceiling to floor vertical blinds which i suppose helps with the sound.

congrats on your DIY bass traps, any tips i need to know if i get the amp il pop up a thread.

Many thanks

Darrell
 

RobinKidderminster

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Similar size then but you are firing down the room (better). I would post a pic to get some ideas. Moving the setee from the wall helps but I can only manage 6'' or so. Can you get away with installing temporary panels? Interesting challenge.
 

RobinKidderminster

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Sta99y - My 2065 was about £600. It had been on sale at double but since new amps are released annualy it makes sense to buy end of year. Same with my old AE's which I now need to sell. My attempts at base trapping arose because there were swrious holes in the two main seating positions which I couldn't resolve by moving the sub. I think the traps have helpwd significantly. I would recommend buying a pack of RS60 or RW3, cutting into chunks, placing it strategically and see what happens. A £20 experiment akin to moving speakers or furniture but a bit more messy and needing a pair of rubber gloves and a vacuum. Then, if need be, DIY or buy some. GIK are helpful and unlike me, know the issues.
 

sta99y

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Robin thanks for advice, 1st off I'm going to hopefully get the 2065 2nd hand off of a well known avforum site, once setup I will try bringing sofa forward a little without mrs sta99y noticing ha ha, to be fair when it's just myself watching a film bringing sofa forward is not a prob so I may set amp up with sofa a couple feet from back wall.

That should help I guess.

I will post a pic but on iPhone at mo and not sure I can do it.

When will they bring out a whathifi app?!!!
 

sta99y

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Im interested Robin, I think you have great enthusiasm and and understanding lady? I think we all have the inthusiasm but not the latter ha ha.

Its great sharing ideas.

Just got me a 2065!! Woo hoo

Darrell
 

RobinKidderminster

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My FINAL efforts. Satisfied now (maybe/hopefully)

41.jpg


Much simpler design which looks slimmer in situ.

42.jpg


In situ

43.jpg


Done !

44.jpg


Yea OK I redid that overhanging top making it flush but nearly finished.

Cheers All.
 

RobinKidderminster

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Had time to do some listening and I recon the base traps have had a very worthwhile effect. Clearly they are only a small element of 'room treatment' but within a lounge environment we are all limited I guess. Most usefully it seems to have improved some base 'holes' evident in one of the two main listening seats. the base is better balanced as well as sounding cleaner and more solid. Very subjective I know but I am quite happy with a small investment maybe £50. I think it has allowed the new MS's to breath more excitement into the system and the base movie effects are very believable now. My next upgrade would have to be a new room!

Cheers

PS With a flush fitting top and a little light oak trim makes the traps look much neater I recon.

All done. Thanks Chewy recon measurements using ears is up next
 

RobinKidderminster

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Hardly objective but listening over a day or two I have found the bass is far more controlled now. On one side of the listening position there was a huge bass 'sink' which has now largely disappeared. interestingly too, I have run the Auto EQ again and switching between this setting and 'no eq' is little different. I assume (maybe naively) that there is now less need for equalization since the bass and midrange has been tamed a little by the bass traps. Enough testing for now its time for some listening pleasure.

Cheers
 

RobinKidderminster

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And finally (maybe) ... I knocked up a panel to place behind the settee, close to the rear wall and I am very pleased with its performance. I made it very light and cost only a few pounds - more as an experiment than anything else. And it is kinda temporary for moments of 'serious' listening. If anyone is intereted I will post pics - basically 4" rockwool held in a light wooden frame with wire bracing.

I really think I have tamed the sound now with CDs sounding much more natural with better separation. Complex tracks have always sounded too crowded and confused until now - I now know why. For less than £50 in total I have really found a sweet sounding system in a small room which deservidly sounded poor for a number of reasons. 10/10 vote for some modest room treatment. best £50 ever.

Cheers - back to the Olympics ....
 

RobinKidderminster

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Hya GSB. I guess I am keen to encourage others to at least try some room treatment and then diy or pro if it helps. My room / layout is classically bad from an acoustics pov and the room decor needs to be maintained so I wasnt hopeful. With new speakers too my subjective evaluation is difficult. I can only say that my partner and I are for the first time maybe really pleased with the overall sound for music and film. Film benefits from tighter deep base effects and the base 'hole' in one of two seating positions has been significantly reduced. A base boom in a non listening area has disappeared. Staging seems better and effects more natural. Vocals are clearer and better separated from action. Music seems more revealing. Separation of vocals and instruments particularly with complex tracks is much imroved. Clearer and better placed.

How much is new speakers or placebo I dont know but if my partner is impresswd too then I am happy. Have a go! Best £50 quid ever.

Cheers.
 

RobinKidderminster

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Thanks sheggs. In a different (bachelor) life I would have become your number one customer. I do think WHF should do an article on this to highlight the enormous potential benefits.

Cheers

PS Listening to Fleetwood Mac now. Every time I listen to my old CDs I get a surprise. I'm just lovin' it. May get me ol' TT out for a spin again. :) :) :)
 

Chewy

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RobinKidderminster said:
Thanks sheggs. In a different (bachelor) life I would have become your number one customer. I do think WHF should do an article on this to highlight the enormous potential benefits.

Couldn't agree more Rob, room acoustics seem to be the great elephant in the room - audiophiles seems to spend huge amounts of time and money on their kit and tweaking their systems with isolation supports, and cables and the like, and never once seem to place any consideration to the room its all kept in - which is arguably one of the most important and strongest influences on the sound quality they will hear. Until about 6 months ago, when I started researching this subject, I could probably include myself in that category also!

You frequently see on forums, pictures of people's set-ups with a rack load of high end kit, and top quality speakers, all housed in a plain room with wood floor and leather sofas, not a single absorptive surface in sight, but they insist on changing this speaker cable or that power lead to try and improve the sound they are clearly not content with, without a single thought for the room which is no doubt dramatically limiting the potential of their system.

It is really good to see someone having a go, and I'm really keen to hear more on your experiences with them, subjective or not.

My personal exploration on room treatments will begin next year when I finally get to have a dedicated HC room (courtesy of a new extension). I have read and researched just about every resource I can find on the subject, including several pretty heavy going text books - but still its often difficult to find guidance on the optimum acoustic designs - so a definitive guide on room treatment from the guys at WhatHifi would be benefincial all round I think.

Please do post some pics of your new wall panel, it would be great to see what you've done. DO you plan to add any more - first reflection points maybe?

If you ever fell like having a go at taking some room measurements, they would be interesting to see also - with and without the traps. All you need is a laptop/PC with the right sound card inputs (or external soundcard), a mircophone (or Radioshack SPL meter) and the REW software (which is a free download). That will give you frequency response graphs and waterfall plots to tell you exactly what is happening in your room with regards to frequency response (particularly specific peaks and nulls in the bass range at your various listening positions), and sound decay times. It can also help you identify if your listening positions are still recieving secondary reflections too - Sheggs may be able to offer more guidance on this.
 

RobinKidderminster

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Thanks Chewy for your interest. 100% agreed with. Ignored by so many yet I have found it all a revelation. No voodoo but old science. I will do a few more pix in an effort to encourage others. I'll be back!

Cheers
 

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