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#70070 - 11/05/07 02:49 AM Re: HSU STF vs Outlaw LFM?
nanogizmo Offline
Deputy Gunslinger

Registered: 10/25/07
Posts: 14
SUBWOOFER X-OVER QUESTION;
am awaiting delivery of the following system;
outlaw 970/7075 pre-pro/amp
2 magnepan mmg-w
hsu STF-1

question; the mmg-w has a low freq respose of 100 hz; the upper x-over limit of the STF-1 is 90hz, but is bypassable. if i set the front speaker x-over control on the 970 at 100 hz and by-pass the x-over on the STF-1, will the 970 send up to 100 hz to the sub? and will the sub produce up to 100 hz? or will there be an omission between 90-100hz. -it sure looked to me as if the STF and th LFM-2 were the same sound engine with different labels, but the specs don't quite agree; hsu doesn't list an upper frequency response; the LFM says the upper crossover is 90 hz, but the "huge" rear panel view looks like the dial goes up above 100 hz.

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#70071 - 11/05/07 12:39 PM Re: HSU STF vs Outlaw LFM?
gonk Offline
Desperado

Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
The STF-1 will play higher than 90Hz with the crossover bypassed. For some confirmation of this, check out the LFM-2's specifications: frequency response is listed as being 25Hz to 180Hz (as you've noticed, the two subs are cousins and the STF-1 should approach the same upper limit). Setting the 970's front crossover at 100Hz and disabling the crossover in the sub is the best approach.
_________________________
gonk
HT Basics | HDMI FAQ | Pics | Remote Files | Art Show
Reviews: Index | 990 | speakers | BDP-93

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#70072 - 11/07/07 08:10 AM Re: HSU STF vs Outlaw LFM?
nanogizmo Offline
Deputy Gunslinger

Registered: 10/25/07
Posts: 14
thanks, gonk. the 970 isn't here yet, but magnepans arrived today and i just couldn't wait. the magettes and the hsu are plugged into my old receiver, from an RCA all in one HT system from radio shack. sit back down. i think the thing has a pretty good class d amp in it. sounds far better than i could have expected, once i set it to two-channel or "jazz". other settings had some pretty weird effects, like a piano behind me. i think the thing didn't know what to do with a 4/5 ohm load. check out my recent entry under speaker wire_$$$?. thanks again, happy trails.

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#70073 - 11/13/07 02:43 PM Re: HSU STF vs Outlaw LFM?
Bob Becker Offline
Gunslinger

Registered: 02/10/07
Posts: 130
Loc: Washington, D.C.
About 2 months ago I got an STF-2 and it does a great job with my 1070. Some of you may recall that, earlier this year, I wondered whether I really needed a sub because my B&W CDM7 mains do a pretty good job with bass. I'm convinced.

I did not have an opportunity to compare subs in my system, so I can't comment on the relative merits of the LFM-2 and the STF-2. I might have needed the LTF-1 compact for my room, which is about 12 X 17 feet. Based on the sizing chart on HSU's web site, the room is on the line between the STF-1 and STF-2. The STF-2 has a little less power in the amp than the LFM-1 but I doubt that it matters in my system. I can shake the room without difficulty if I want to.

But the extra base helps with music, too.

BTW, the HSU site has said the msrp of an STF-2 is $399, but they're selling it for $349 plus $30 for shipping. It's been that way since I started shopping last spring. I assume the "Sale" is really a price reduction.
_________________________
Robert S. Becker, Esq.
http://www.dcappeals.com
rbecker@dcappeals.com

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