Subwoofer options for Klipsch La Scala

Thank you all for the suggestions. I will definitely give the brass cones a try.
All the best,
Howard

Boa2: I don't know if the specific mods i'm referring to can be can be found on the Klipsch website or in their forums. If you like, email me directly and i'll see what i can do about digging them up and forwarding them to you. Sean
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30hz Sean?! Damnation man, that's spectacular for a Scala! Can you share those mods, or point to a URL? My Scalas drop off very sharply after 50hz (using a ratshack SPL meter in a fairly large space with no sidewalls) in their slightly modified form. I'd love to pick up +10db down at 30hz! I've had mine on Audiopoints, but I found that it seemed to actually drain the bass energy more directly into the (wood) floor (points down). The imaging improved, but I did not find it improved the bass. Results might differ in a carpeted room. I've also been experimenting with putting a granite slab beneath the speakers, as well as using cones and slab. I liked the combination of slab and audiopoints best, but any improvements in bass were subtle. I would think reinforcing the cabinet/baffle might help tighten up the bass significantly. There's a guy doing wonderful looking rebuilds on Scalas back east who has designed an interesting reinforcement piece that he inserts into the front of the baffle like a large flat V-wedge. The effect is that it couples the V of the baffle to the walls and vice versa. Seems like a mod like that may be a good way to go for improving bass. As far as a sub, I've been using a friend's ACI Titan which can be had occasionally for around $700. It works quite well with my Scala's and is very musical indeed. There's currently a nice maple one for $1k which is kind of high. They're a small company putting out solid products IMO.

Marco

Thanks a lot, Sean. I think my wife may be bent on getting a pair of Khorns. If I opt for the La Scala mod, I'll write you directly. I really appreciate your help.
Frankly, I'm just in a lousy mood today with this terrible situation with Lugnut (Patrick), as well as some friends who live in Thailand and who have not responded to attempts to contact them. Don't mean to toss anchor on the conversation, but I just don't have any motivation for the effort--today, anyways. Perhaps in a couple of days I'll be more inclined to consider the La Scala mod.
Thank you again, Sean. You're such a force in this community!
Howard

I forgot to ask. When connecting a sub to an amp that has no line out, and the sub has only line in (no binding posts, in other words), do I use a speaker line converter? For example, my SET integrated has no line out for a sub, and the ACI Titan has only an RCA line in.

And what about if I had monoblocks with attenuator knobs? Without a preamp, can I run additional speaker cables from the monoblocks through a speaker level converter and into the sub with RCA IC's? I may end up going this route, so I want to get all the info in advance.
Thanks again, everyone.
Howard