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40hz room mode RPG Modex Corner trap?

Hey guys,
Looking for some help with some room modes I am battling. Main offender is 40hz mode. (very typical with 8ft ceilings I suppose) I have several ASC tube traps that have helped a lot, but at this point the don't need much more broad bass damping just 40hz damping as the peak there is way above everything else.

So, two questions:

1. Has any one used the RPG Modex Corner trap?
http://www.rpginc.com/products/modexcorner/
Seems to be exactly what I need as they make a 40hz model. How effective are these? I think that to make a significant difference I may need so many that the cost will kill. Would 2-4 make a difference?

2. Any other ideas to kill the 40hz room mode short of an eq like the PARC?

Thanks
Nik
nikturner920
eldartford
4,262 posts
 
Nikturner920...To my ears, with Channel Islands D-200 amps driving Magneplanar MG1.6 through 4 foot Goertz cables...YES.

However, if you determine audio quality by how much it costs, check out the Reference Audio Mods changes, available for the DEQ2496 and costing about $1500, including $600 output transformers said to reach the audiophile heights.

Again I repeat my mantra...Buy it for the RTA. The EQ will sell itself if you try it.
nikturner920 OP
144 posts
 
Interesting, just found your review post. What are you using for a source if I may ask? Seemed from you other post you go from the 2496 straight to the amps?

Nik
eldartford
4,262 posts
 
Nikturner920...Although I do have LP, my best source (IMHO) is a Denon 2900 with Underwood mod, via unprocessed pass through of Rotel 1066.

My three DEQ2496s are between the preamp and the power amps. It would be better to use a TAPE loop (unaffected by volume control) but that is not available for multichannel. I could put the DEQ2496s between the Denon and the Rotel, but then I could only use them for disc player programs.

For 2-channel you could run digital from a cheap player into the Behringer, which would be an equalizer and DAC rolled into one, and then out through a passive attenuator to the power amp. Lots of Bang for the Buck.
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