ACI Titan II vs. Rel Storm III

I had the same decision to make about 6 months ago ....

I've read that the Titan can be a bit more difficult to integrate than the REL, and may need high pass filters (passive) between the preamp and power amp (which would be tricky if you have an integrated). Once integrated reviewers still felt the REL was more musical, but that the difference was small. I believe that the ACI is more powerful and will give higher SPL, but I have a small room and listen exclusively to music (no HT).
The RELs are very expensive in the US (seems to be a huge markup, given how strong the USD is at the moment) but after a few months of waiting I found a 6 month old Strata3 for $800 and it integrated perfectly with my floorstanders (spica angelus).
Obviously the first choice would be to do a home demo of both and decide if the REL is worth the extra cash or hunting around for on the used market.

In summary I think the REL is probably a safer bet and you have the choice to pay the extra and get a new REL or be patient and wait for a deal. The Titan may work just as well in your application so if ACI have a good return policy and you don't mind the hassle then try the ACI first ... you might save some money. However if ACI don't have a good return policy then I wouldn't get one without a home demo first, because if it doesn't integrate you'll hate it and eventually get rid of it at a big loss.

If you have a home theater I would say just because of the way the REL hooks up you'd want it. It mixes both the .1 signal and the speaker level signal so you get all the bass not one or the other. My $0.02. leo.

I have not used the Storm, but I have had a Rel Strata III (more equivalent in price to the ACI) in my music system partnered with NHT 2.5i speakers, and now have the current ACI Titan II LE, which I have partnered with the NHTs (e relatively "slow" speaker), as well as a pair of Gallo Nucleus Solos (a very "fast" speaker). In MY particular system, in MY particular room, I was never satisfied with the Rel; I am very happy with the ACI.

The ACI has the same inputs as the Rel--speaker level, "Theater", and pre-amp out--but I don't have my manual in front of me and can't say if it sums inputs as Leo describes above.

Auditioning a subwoofer (and any speaker, for that matter) in your room is crucial. ACI does have a generous audition policy, though you are out some shipping. If you can't audition the Rel, I would say that the ACI is a safer bet. How's that for conflicting advice!

John K.

I use the Titan powered sub woofer in my 2 channel system. I have heard the REL at dealers and it also sounds very good. BUT for the money the Titan is outstanding, very musical.
My 0.02$ worth
Bryan P

When I first heard the Rels, my notion of how well subwoofers could integrate with main speakers was radically altered. I then spent a lot of time with a Vandersteen 2WQ, which is excellent but does not integrate as easily. Then I read about the ACI Titan II and was intrigued.

When I was ready to buy, a used Rel Storm was a financially feasible and I knew it would work well in my listening room. But ACI had just announced the Titan II LE which was cheaper, brand new, beautiful-looking, and I could try it out for 30 days for the price of shipping.

So I tried it out and have not looked back. It works even better than the Rel Storm in my room and goes louder if necessary (not necessary...). It integrates seamlessly, even though it cannot be located optimally (due to room and aesthetic constraints), whether I run my Vandersteen 1Cs full range Rel-style (as I did at first), or I use ACI's transparent high pass (65 Hz.) filters between my preamplifier and amplifier quasi-Vandersteen style for some subtle benefit to my 2-way 1Cs' woofer/midrange drivers (as I do now).

The ACI Titan II LE is a most musical subwoofer. It serves as a very powerful subwoofer for movies as well.