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KEF LS50 Meta Bookshelf Speakers (Pair, Various Colors) Expired

$1300
$1,599.99
+ Free Shipping
+132 Deal Score
49,481 Views
Various Retailers have KEF LS50 Meta Bookshelf Speakers (Pair, Various Colors) on sale below. Shipping is free.

Thanks to Community Member LavenderKestrel461 for sharing this deal.

Available from:Specs:
  • Design: Two-way bass reflex
  • Drive units:
    • HF: 25 mm (1 in.) vented aluminum dome
    • MF/LF: 130 mm (5.25 in.) aluminum cone
  • Crossover frequency: 2.1 kHz
  • Frequency range (-6dB): 47 Hz - 45 kHz
  • Typical in-room bass response (-6dB): 26 Hz
  • Frequency response (±3dB): 79 Hz - 28 kHz
  • Harmonic distortion (90dB, 1m):
    • <0.4% 175 Hz - 20 kHz
    • <0.1% 300 Hz - 10 kHz
  • Maximum output: 106 dB
  • Amplifier power (recommended): 40-100 W
  • Nominal impedance: 8 Ω (min. 3,5 Ω)
  • Sensitivity (2.83V/1m): 85 dB
  • Dimensions (HWD): 12" x 7.9" x 12.2"
  • Weight: 17.2 lbs.
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Written by
Edited October 2, 2022 at 01:42 PM by
https://www.amazon.com/dp/B08HGHT...yp_imgToDp
KEF LS50 Meta is down to $1300. All colors are currently available on Amazon. The deal is available at KEF's own website, but colors are more limited.
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$1300
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About This Product
    Product Name: KEF LS50 Meta (Pair, Mineral White)
    Manufacturer: KEF
    Model Number: LS50 Meta
    Product SKU: B08HGHTWYL
    UPC: 637203217906
    ASIN: B08HGHTWYL
    Brand: KEF
    Item Dimensions LxWxH: 7.874 x 11.0236 x 11.88974 Inches
    Item Weight: 39.242283 Pounds
    Item model number: LS50 Meta
    Manufacturer: KEF
    Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more. If you're not a student, there's also a free 1-Month Amazon Prime trial available. You can also earn cash back rewards on Amazon and Whole Foods purchases with the Amazon Prime Visa credit card. Read our review to see if it’s the right card for you.

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    Featured Comments

    I recently got rid of my LS50s (I know these are metas but I've tried both the difference isn't drastic) after ownership of almost 3 years running them using a mcintosh power amp. Although these speakers in general hit above their price bracket, they definitely have unique sound. To me honestly they were flat but fatiguing to listen to. After 30-40min of listening I'd feel my ears would hurt. They have a bit of "shouty" midrange that can but less desirable for some people. Not to mention its very important that they be run using clean class A or Class AB amps, Class-D amps from receivers and low power amps will make this sound thin and shrill.

    All in all, if you are open to experiment, go for them, but if you have doubts, its okay to pass on these till you can audition in person/have the right amplification.
    ·
    Not sure why OP is getting trolled...I'm not in the market for these but maybe somebody is; this is in fact a DEAL according to amazon price history unlike a lot of the garbage that's posted here.
    ·
    Confused as well. This is a good price for these, I was in the market for high end speakers last month and never saw them this low.
    ·

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    Joined Nov 2013
    L3: Novice
    > bubble2 210 Posts
    166 Reputation
    SamS5291
    10-02-2022 at 05:14 PM.

    Our community has rated this post as helpful. If you agree, why not thank SamS5291

    10-02-2022 at 05:14 PM.
    Quote from alxshanti :
    How is the Meta different from the regular LS50s? Genuinely curious.
    meta is for short for "metamaterials". think of metamaterials as absorptive materials with very complex geometry or patterns that help to tune the frequency response of the speakers/headphones with extreme precision. The frequency response graph of the metas is very linear with a downward slope, and the metamaterials play a big part in achieving this

    Besides KEF Dan Clark Audio is using them in their Stealth and Expanse headphones to get an almost perfect adherence to the Harman curve (the most pleasing frequency response curve according to Harman's extensive research and double blind testing )
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    Last edited by SamS5291 October 2, 2022 at 05:18 PM.
    Joined Nov 2013
    L3: Novice
    > bubble2 210 Posts
    166 Reputation
    SamS5291
    10-02-2022 at 05:33 PM.
    10-02-2022 at 05:33 PM.
    Quote from amarali :
    Question for the audiophiles. I would be putting these on a wall shelf. Would the rear port be a problem if I crossed over to a subwoofer at 80?
    Try to get as much distance from the back of the shelf as possible. These are no different from other speakers in that respect. If you have room correction i.e Dirac Live/ Multieq Xt32 then you don't have to worry too much about boominess being a problem.

    I don't own these speakers , but looking at the measurements, depending on how loud you want to drive them, I would up the crossover higher, maybe 100 or 120. These speakers don't handle bass well at high volumes and will distort.
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    Joined Feb 2016
    New User
    > bubble2 237 Posts
    113 Reputation
    amarali
    10-02-2022 at 05:35 PM.
    10-02-2022 at 05:35 PM.
    Quote from SamS5291 :
    Try to get as much distance from the back of the shelf as possible. These are no different from other speakers in that respect. If you have room correction i.e Dirac Live/ Multieq Xt32 then you don't have to worry too much about boominess being a problem.

    I don't own these speakers , but looking at the measurements, depending on how loud you want to drive them, I would up the crossover higher, maybe 100 or 120. These speakers don't handle bass well at high volumes and will distort.

    Thanks!
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    Joined Feb 2007
    Let's Go Zelenskyy
    > bubble2 3,248 Posts
    1,076 Reputation
    nolenski
    10-02-2022 at 05:54 PM.
    10-02-2022 at 05:54 PM.
    Quote from SamS5291 :
    meta is for short for "metamaterials". think of metamaterials as absorptive materials with very complex geometry or patterns that help to tune the frequency response of the speakers/headphones with extreme precision. The frequency response graph of the metas is very linear with a downward slope, and the metamaterials play a big part in achieving this

    Besides KEF Dan Clark Audio is using them in their Stealth and Expanse headphones to get an almost perfect adherence to the Harman curve (the most pleasing frequency response curve according to Harman's extensive research and double blind testing )
    Ya learn something new every day... this is a week's worth. worship
    Quote from SuplexCity :
    No price in title seems to bring in a lot of angry reactions, and could be the reason of thumbs down.
    Price in the title will get a lot of thumbs down too!
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    Last edited by nolenski October 2, 2022 at 05:59 PM.
    Joined Jul 2008
    L6: Expert
    > bubble2 1,281 Posts
    145 Reputation
    macpro
    10-02-2022 at 06:02 PM.
    10-02-2022 at 06:02 PM.
    Quote from ash78 :
    KEF is gonna rock ya!
    Not with this model. You have to be careful not to overdrive the little woofers in the LS50.
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    Joined Nov 2014
    L4: Apprentice
    > bubble2 397 Posts
    55 Reputation
    StreetJedi
    10-02-2022 at 06:10 PM.
    10-02-2022 at 06:10 PM.
    These are nice especially when paired with a decent sub (not some cheap fart box)
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    Joined Sep 2013
    peekaboo!
    > bubble2 10,322 Posts
    912 Reputation
    alxshanti
    10-02-2022 at 06:13 PM.
    10-02-2022 at 06:13 PM.
    Quote from SamS5291 :
    meta is for short for "metamaterials". think of metamaterials as absorptive materials with very complex geometry or patterns that help to tune the frequency response of the speakers/headphones with extreme precision. The frequency response graph of the metas is very linear with a downward slope, and the metamaterials play a big part in achieving this

    Besides KEF Dan Clark Audio is using them in their Stealth and Expanse headphones to get an almost perfect adherence to the Harman curve (the most pleasing frequency response curve according to Harman's extensive research and double blind testing )
    Thank you for your detailed response, Sam. So the LS50 Meta is employing metamaterials inside their cabinets to absorb unwanted frequencies? That's what I'd assume. I can see how that could be useful in a headset in order to produce the desired sound signature, but in a speaker you still have to contend with room acoustics. So I wonder how useful it really is in speaker-building.
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    Joined Jul 2008
    L6: Expert
    > bubble2 1,281 Posts
    145 Reputation
    macpro
    10-02-2022 at 06:20 PM.
    10-02-2022 at 06:20 PM.
    Quote from amarali :
    Question for the audiophiles. I would be putting these on a wall shelf. Would the rear port be a problem if I crossed over to a subwoofer at 80?
    Their bass response above 80 hertz will be boosted by the proximity to the wall. You might like it. It might be too much. It will also impact the mid-bass (around 150-300 hertz), which impacts some instruments (guitars and male voices). You could try plugging the ports. That might do the trick.

    Also, placing a big hunk of acoustic foam behind them ( the thickest that will fit behind them on the shelf), would help.
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    Last edited by macpro October 2, 2022 at 06:24 PM.
    Joined Jul 2008
    L6: Expert
    > bubble2 1,281 Posts
    145 Reputation
    macpro
    10-02-2022 at 06:22 PM.
    10-02-2022 at 06:22 PM.
    Quote from StreetJedi :
    These are nice especially when paired with a decent sub (not some cheap fart box)
    Definitely. For most people, a sub is a must with these.

    I have a small SVS sub and it's a great combo.
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    Joined Dec 2020
    L5: Journeyman
    > bubble2 935 Posts
    54 Reputation
    SmartHaddock3847
    10-02-2022 at 06:26 PM.
    10-02-2022 at 06:26 PM.
    If yoi want bigger soundtry some klh model 5.
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    Joined Jul 2012
    L3: Novice
    > bubble2 103 Posts
    34 Reputation
    valarin
    10-02-2022 at 06:31 PM.
    10-02-2022 at 06:31 PM.
    These speakers are very solid. The following is a great review.
    https://www.audiosciencereview.co...ker.25574/
    These are great for stereo listening, but I would not suggest them for home theater or surround.

    These speakers are not full range. They have great extension for a bookshelf BUT they are bookshelf speakers.

    I would personally not buy these speakers since, I think you can find several other excellent speakers in this price bracket. I think you can also do as well or better depending on your preference for less cash.

    I am not partial to the KEF sound signature. I would buy goldenear, emotiva of vienna acoustics as another option.
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    Last edited by valarin October 2, 2022 at 06:34 PM.
    Joined Apr 2004
    L5: Journeyman
    > bubble2 856 Posts
    496 Reputation
    Pro
    semjase
    10-02-2022 at 07:25 PM.
    10-02-2022 at 07:25 PM.
    Quote from valarin :
    These speakers are very solid. The following is a great review.
    https://www.audiosciencereview.co...ker.25574/
    These are great for stereo listening, but I would not suggest them for home theater or surround.

    These speakers are not full range. They have great extension for a bookshelf BUT they are bookshelf speakers.

    I would personally not buy these speakers since, I think you can find several other excellent speakers in this price bracket. I think you can also do as well or better depending on your preference for less cash.

    I am not partial to the KEF sound signature. I would buy goldenear, emotiva of vienna acoustics as another option.
    Please give the url extension separately /.... since the link is destroyed by slickdeals

    Edit:
    https://www.audiosciencereview.co...index.php? threads/kef-ls50-meta-review-speaker.25574/#post-871427 (delete space)
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    Last edited by semjase October 2, 2022 at 07:28 PM.
    Joined Nov 2013
    L3: Novice
    > bubble2 210 Posts
    166 Reputation
    SamS5291
    10-02-2022 at 08:26 PM.
    10-02-2022 at 08:26 PM.
    Quote from alxshanti :
    Thank you for your detailed response, Sam. So the LS50 Meta is employing metamaterials inside their cabinets to absorb unwanted frequencies? That's what I'd assume. I can see how that could be useful in a headset in order to produce the desired sound signature, but in a speaker you still have to contend with room acoustics. So I wonder how useful it really is in speaker-building.
    Actually, metamaterials have a great impact on how a speaker behaves in a room. By absorbing sound energy behind a driver for example, you can attenuate those early reflections from the back wall.
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    Joined Jan 2010
    L2: Beginner
    > bubble2 92 Posts
    30 Reputation
    captainjohn
    10-02-2022 at 08:51 PM.
    10-02-2022 at 08:51 PM.
    Not sure why I can't vote. These speakers are amazing and a noticable upgrade over the prior LS50s.
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    Joined Apr 2004
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    > bubble2 856 Posts
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    semjase
    10-02-2022 at 08:54 PM.
    10-02-2022 at 08:54 PM.
    Quote from SamS5291 :
    Actually, metamaterials have a great impact on how a speaker behaves in a room. By absorbing sound energy behind a driver for example, you can attenuate those early reflections from the back wall.
    To add to that: The backwave(s) from the speaker drivers bounce around in the enclosure effectively interfering with the driver in that air space. This leads to unintended harmonics, peaks and valleys in response, and distortion. Nearly all high end speakers have some material in the cabinets to attenuate the backwave energy to some degree (but it's usually low cost synthetic fiber). Metamaterials take this further through precise design to cancel/absorb this energy for a cleaner speaker design with less artifacts through the intended frequency response range. You cannot correct for this entirely with any common type of room correction DSP program. Speakers built using this type of design and materials quality should be extremely accurate and clear, but you still need to use room correction unless you own a modeled sound studio.

    Personally, to deal with backwave resonance and interference I put a lot of cotton of different densities into my enclosure builds (which is much better than the majority of major brands' material choices). There are honeycomb and 3d printable designs for metamaterial dampers now, so perhaps on a future build I will try to incorporate a backwave element similar to these KEFs.
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    Last edited by semjase October 2, 2022 at 09:23 PM.
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