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LRS - Rythmic F15, Cary CAD-200
Gsquared
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It's always good to hear first hand accounts of specific subs with maggies. I'm hoping to dive back into owning maggie's in the not too distant future. Right now, I'm leaning towards LRSs with either one Rythmik F12 or two REL T/5i.
in my room carefully placed. It's worth it if you are devoted enough.
There's a lot of waves in the 1st 2 octaves
"Bass is the place..the rest is filigree and lace" Doug Sax
I have an old M&K 12 in. I tried it with the Rythmic . in the locations that are tolerable for 2nd sub in the room, I did not perceive better bass at the listening location or around the room. For me in my room/system the juice was not worth the squeeze. I have heard a few multi-sun system that are great.
Gsquared
yes, it is strange how subs can integrate well or not, and there's little to make it simple and inexpensive. I did my room by ear but it took about a year to dial it in, including crossovers passive (and active for the middle of the room dead spot)
The dead spot was driving me to drink, so I ordered a powered sub there. I've been very happy with no regrets so far. This is what I ended up with:
2 Morel 9" woofers with Quads sitting on top of slim/deep cabinet on its side about 11"h, aligned by ear 1" or so.
2 University 15" corner subs, rear loaded into cab (these are the old dual VC C15w's with 6 lb. Alnico magnet - total structure is more). The cone is very light yet rigid; surround replaced with foam and Fr 24hz.
1 12"powered sub, BIC w/ built in amp and crossover settings, a parts express special.
They all integrate very well but you can't tell what's going on until you put your ear close to any of the subs. I'm not a bass freak, I like to hear and feel the 1st 2 octaves. Pipe organ is a gas and I'm lucky my wife plays bass guitar.
Cheers!
"Bass is the place..the rest is filigree and lace" Doug Sax
Sounds like we have similar approaches. Try this track.
Gsquared
For awhile, I used a 600 watt F15HP sub with my 3.6s. I remain amazed at the build quality, and versatility of these subs for the money. You absolutely can not go wrong buying these subwoofers.
Edits: 08/08/20
Does it integrate well with the LRSs? Would love to hear all your thoughts on the system as a whole.
In my system (I use a Schiit Loki to roll off the bass the to mains) the LRS and F15 integrate very well. There is no sense of the LRS vs bass. The bass is clean all the way to the bottom. Visually I don't see the sub so it gives the illusion of full range LRS. The LRS hit their volume limit with 350W at 4 ohms amp long before the sub.
It seems like a mismatch - little LRS and a 15 in, 100 Lb sub, but they love each other. There are several Rythmic-ers here. I am sure they will chime in.
Gsquared
While the Rhythmic has long been regarded as one of the best suited subs to integrate with Maggies it isn't the only fundamentals workhorse that achieves good sync and there are many factors to consider when augmenting bass. For instance, depending on crossover points, room size and placement considerations, one sub might be as effective as two in supplying low bass fundamentals. Directionality of low bass is less crucial below 40Hz. So, dependent upon the size of one's Maggie system in relation to room size, the crossover point may be set low enough to provide tightly sync'd bass fundamentals employing just one sub.
The sweet spot for Maggies is the 3.7i which rolls off below 40Hz. Setting a single sub's crossover point between 40 and 50 Hz and running Maggies full range ...keeping in mind speaker placement of both Maggies and sub... can probably achieve the right symbiotic synchronization. Of course, I'm only basing this on my own experience in a room that undoubtably varies greatly from most, but it works for me. My sub is a single Hsu Research ULS-15 Mk I, positioned between my main Maggie system.
In my experience solid bass slam is easily achievable with Maggies and a well integrated subwoofer. While Maggies produce good bass fundamentals on their own, the size of the room can be correlated with the volume of air being moved and bass extension perceived by the listener. In a small room it's much easier to increase the perception of deeper bass without one or more subwoofer(s). The kind of music to which one listens most often is also a factor in who prefers low bass augmentation in their system, but mileage will vary.
Cheers,
AuPh
Without DSP: As you said, I found that running the Maggies full range and adjusting the low pass cutoff of the sub and adjusting level proved most successful.
However, with good DSP/bass integration, and in particular Anthem ARC which is not by any means a simple crossover but a calibrated psychoacoustically validated system, I found it quite pleasing to run a high pass crossover on the main speakers at a surprisingly high 70 Hz. Of course there is still significant output being produced below that level as the cutoff is not extremely sharp. The combination of the DSP correcting both sub & speaker for measured acoustics results in a great combination.
One subjective improvement is that it gets back the midbass "snap" and "slam" that sometimes are lacking from Magnepans and are found more in conventional speakers---without compromising the much superior clarity & openness and immersion.
In particular there is a strong main panel resonance at about 42 Hz on the 3.6's and probably similar with the 3.7i's (it's a similar design with the same geometry and almost same materials), that has some delayed energy storage. Lowering its level results in greater clarity if it can be taken up with the subwoofer(s).
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