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TC Sounds LMS-R 15" DVC Subwoofer

Brand:| Model: LMS-R 15"
Product Video
Overview
The LMS-R 15" subwoofer brings linear motor technology to a 3" diameter voice coil driver. Capable of over 2" of peak-to-peak excursion with absolute linearity, this driver is in a low-frequency sound-quality class of its own!
Highlights
  • Patent-pending 2+2 ohm dual voicecoil LMS motor technology
  • 10" linear spider suspension with large integral lead-wires
  • 195 oz. magnet motor structure
  • Patent-pending XBR tall profile surround for 3" peak-to-peak travel
  • Field-replaceable top assembly system
  • Large anti-flux-modulation shorting ring
  • Single dish aircraft-grade Aluminum alloy cone
Part # 
293-662
Weight: 43.4 lbs.  
IN STOCK
List Price$599.00
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$433.33
Part # 293-662
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Product Details

TC Sounds LMS-R 15" DVC Subwoofer

The LMS-R 15" subwoofer brings linear motor technology to a 3" diameter voice coil driver. Capable of over 2" of peak-to-peak excursion with absolute linearity, this driver is in a low-frequency sound-quality class of its own! Equally suitable for sealed or vented enclosures, this driver delivers both unsurpassed sound quality and SPL! Used in world-renowned recording studios.


TC Sounds LMS-R 15" DVC Subwoofer includes the following items:
Qty Part # Item
1293-664TC Sounds LMS-R 15" Basket Assembly
1293-665TC Sounds LMS-R Motor Assembly
No substitutions allowed. The above may include some items that are not available for purchase separately.

Product Specifications
  • Nominal Diameter15"
  • Power Handling (RMS)1000 Watts
  • Power Handling (max)4000 Watts
  • Impedance2+2 ohms
  • Frequency Response15 to 150 Hz
  • Sensitivity86.9 dB 1W/1m
  • Voice Coil Diameter3"
  • Magnet Weight195 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)23.6 Hz
  • DC Resistance (Re)3.94 ohms
  • Voice Coil Inductance (Le)3.15 mH
  • Mechanical Q (Qms)5
  • Electromagnetic Q (Qes)0.49
  • Total Q (Qts)0.45
  • Compliance Equivalent Volume (Vas)4.33 ft.³
  • Mechanical Compliance of Suspension (Cms)0.12 mm/N
  • BL Product (BL)21.24 Tm
  • Diaphragm Mass Inc. Airload (Mms)382.5g
  • Maximum Linear Excursion (Xmax)25.4 mm
Materials of Construction
  • Cone MaterialAluminum
  • Voice Coil FormerStainless Steel
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter15.6"
  • Baffle Cutout Diameter14"
  • Depth8.6"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume1.53 ft.³
  • Sealed F345 Hz
  • Vented Volume4.92 ft.³
  • Vented F324 Hz
TC Sounds LMS-R 15" DVC Subwoofer
  • BrandTC Sounds
  • ModelLMS-R 15"
  • Part Number293-662
  • UPC844632082986
  • Product CategorySubwoofer Drivers
  • Unit of MeasureEA
  • Product Rating
    (5 Reviews)
  • Weight43.4 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

TC Sounds LMS-R 15" DVC Subwoofer
TC Sounds LMS-R 15" DVC Subwoofer is rated 4.8 out of 5 by 5.
Rated 5 out of 5 by from AmazingI've been using 2 of these in my home theater/music room for about 3 months now. They are in sealed boxes with about 3.5 cubic feet interior volume each. I had high expectations for these sub, they were all surpassed. The performance is astounding, even @ 8 hz there is plenty of output! Objects were moving everywhere in my 3 story home!Sound quality is what really makes these shine though. They sound very, very good at any volume I can stand ( I love the decibels ). I listen to a wide variety of material from classical to death metal, these subs perform equally well with everything I've thrown at them.I've heard a lot of high end subs, these would put all of them to shame. Even some selling for over 4000$.Now for the negative points. These subs sound good below 60 hz. If you plan on using these with large floor standing speakers you will be very happy. If you are using small "satellite" speakers these subs would be a poor choice. I have no high-pass filter on my mains and that is what sounds best for my setup.I am using a inuke 6000 Behringer power amp to power both subs. It has more than enough power for my taste but the subs can probably handle a lot more. If I would have to do this all over again I would only get one of these subs and get a better quality amp. The output from just one of these subs is ridiculous.As a final note, you will need to eq these to get good sound quality. I am using the auto calibration with the supplied microphone on my receiver as an eq with excellent results.I highly recommend these, they are worth every penny.
Date published: 2012-05-05
Rated 5 out of 5 by from Loud and LowLoud and Low, that's all that needs to be said. The driver is currently in a 10ft3 box tuned to 19hz.For the driver itself, I love how it comes in two separate pieces. Sound is overall excellent, even though it lacks a little in midbass, the LMSR is excellent in lower frequencies.
Date published: 2010-11-01
Rated 5 out of 5 by from Oustanding SubwooferOutstanding driver and I highly recommend it! Excellent sound quality, digs deep...you can't go wrong. My subwoofer experience over the years: MK 350THX, SVS PB12/2, SVS Ultra12/2, HSU ULS-15, DIY SoundSplinter RL-P 18, DIY Maelstrom-X, DIY Tempest-X2 and this is my favorite thus far. All DIYs were sealed designs with a QTC of .707 and powered by an LT1300.
Date published: 2010-09-12
Rated 5 out of 5 by from response from TC SoundsWhen we designed the new LMS-R, our goal was to offer most of the performance of the LMS Ultra, but at a much lower price. It uses the same Linear Motor System (LMS) technology and has a much higher Force Factor (BL squared divided by the DC resistance Re)than the previous model. This allows for both sealed and vented box designs, in comparison the the previous model which was intended only for sealed enclosures. The result is a more efficient driver that will require some equalization if used in a sealed enclosure. We feel that the LMS-R 12" and 15" are the best affordable Linear Motor drivers we ever made.
Date published: 2010-07-22
Rated 4 out of 5 by from Leaps and bounds backwards from previous LMS modelGets almost as low as the LM10D2, not as happy sealed as the LM's were either, all in all, I'm not very impressed with this woofer. If ya truly like low (30Hz down) or don't have alot of room for a big vented system, expect alot of eq to get this sub where ya need it to play. 17 years in hi-fi home theater as well as high spl and sq car set-ups, and this woofer doesn't shine like original TC stuff or the AP stuff. Lower the Fs, Up the Qts and this woofer would be a winner.
Date published: 2010-03-08

Product Q&A

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who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
TC Sounds LMS-R 15" DVC Subwoofer

What is the lowest reasonable Ftune and with which volume this driver can work with? I guess the Dayton Ultimax 15 can go lower (F3) in the teens (below 20Hz) since its Fs is 19.5 Hz vs the Fs of 23.6 Hz for the LMS-R 15?

Asked by: Frank_Roberts
I would recommend 3-4 cubic feet sealed for the LMS driver and about 4 cubic feet sealed for the UM15. The differences in these volumes are minimal with the LMS f10 being 22 Hz and the UM15 f10 being 20 Hz. Both will handle full RMS power in these volumes and still have excursion headroom for the addition of EQ.
Answered by: MattP
Date published: 2014-03-27

Can I use it in my car? 

Asked by: infamous
Yes this can be used in your car.
Answered by: MattP
Date published: 2014-03-10

Can't seem to find what size screw will fit the mounting holes. 10-32 or 1/4-20?

Asked by: aktiondan
TC Sounds includes #8 wood screws and allen keys with each driver they sell. The largest screw this basket will accept is #8.
Answered by: MattP
Date published: 2013-11-26

What AMP/Wattage pairs well with this sub?

I have a Crown XLS 1500 (class D, 1500 watts bridged into 4 ohms) and am wondering if that is enough power to push this LMS-R 15" driver near or at maximum SPL? I'd probably be mounting it in either a 3'^3 sealed box or perhaps a 5'^3 vented box. Thanks.
Asked by: Micah3sixty
The Crown you have will be perfectly suitable for this subwoofer.
Answered by: MattP
Date published: 2013-08-27

ported or sealed?

i want to use one of these for home theater, which is better ported or sealed, i prefer ported but would the cabinet have to be huge? room size is 20' by 22' by 8'thanks
Asked by: home theater guy
These really work best in a sealed enclosure. I would recommend 3 cubic feet with a proper 1000 watts RMS. This will allow for EQing on the bottom end if you need it, but this should have an in room response into the teens.
Answered by: MattP
Date published: 2013-08-13

Dual spiders? How thick are the magnet slugs?

Is this the TC-9 motor that has dual 3/4" magnet slugs or the TC9+ motor that has dual 1" slugs? For a coil that long I'd guess the TC9+ but the pics look on the small side so just wanted to verify. Also, does the sub use a single spider like the old LMS-4000 or dual spiders? (One with leads, the other without?)
Asked by: DasBot
The LMS-R features dual 3/4" magnets, and it does have the dual spiders just as you describe.
Answered by: RussR
Date published: 2011-12-13

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