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expiredid10tsandwich posted Dec 24, 2022 06:14 AM
expiredid10tsandwich posted Dec 24, 2022 06:14 AM

KEF LS50 Meta Bookshelf Speakers (Pair, Carbon Black)

+ Free Shipping

$1,131

$1,600

29% off
Amazon
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Deal Details
Amazon has KEF LS50 Meta Bookshelf Speakers (Pair, Carbon Black) on sale for $1,131.46. Shipping is free.

Thanks to Community Member id10tsandwich for sharing this deal.

Note: Price may fluctuate

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.

Editor's Notes

Written by SubZero5 | Staff
  • About this Deal:
    • While supplies last.
    • Rated 4.7 out of 5 stars on Amazon from over 200 reviews.
    • Rated 5 out of 5 at What Hi-Fi, 9.2 out of 10 at Hi-Fi Trends

Original Post

Written by id10tsandwich
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has KEF LS50 Meta Bookshelf Speakers (Pair, Carbon Black) on sale for $1,131.46. Shipping is free.

Thanks to Community Member id10tsandwich for sharing this deal.

Note: Price may fluctuate

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.

Editor's Notes

Written by SubZero5 | Staff
  • About this Deal:
    • While supplies last.
    • Rated 4.7 out of 5 stars on Amazon from over 200 reviews.
    • Rated 5 out of 5 at What Hi-Fi, 9.2 out of 10 at Hi-Fi Trends

Original Post

Written by id10tsandwich

Community Voting

Deal Score
+41
Good Deal
Visit Amazon

Price Intelligence

Model: KEF LS50 Meta Carbon Black Bookshelf Speakers (Pair)

Deal History 

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Top Comments

sr2002
170 Posts
58 Reputation
Just a PSA for those who don't already know. The KEF LS50 (including Metas) have been notoriously picky with the type of amplifier they are paired with. These speakers require high power as their impedence goes pretty high in the mid and low frequencies. They tend to sound thin and harsh if paired with cheap Class D amps from a receiver or cheaper amps in general that dont have the ability to provide high current on-demand.

Would highly recommend Class AB amps with these speakers to get the best out of them. Example: Rotel RB-1552 or RA-1572; Arcam SA20 or higher; Monolith 2x200watt amp or higher; McIntosh MC152 (have personal experience with this one and sounds amazing with the LS50s). Etc.
greenwich
982 Posts
232 Reputation
I'm a KEF fan but these speakers are not for everyone. You need a good amp + a good subwoofer. You'll be in for a disappointment if you don't do the pairing correctly. Previous comment did mention the amps, but i would skip the Rotel and Monolith. They r bright amps. Bright amp + bright speakers = ear bleed. Get warmer amps like Arcam SA20, Marantz 40n. And yes, big no-no to class D amps.
LivelyThread9350
23 Posts
10 Reputation
I don't want to get into a debate here but this is absolutely wrong advice. All amps sound the same given they have enough current and low floor noise and distortion. Class D has come a long way, you can easily get your hands on sota class D amps like Purifi for $800.

This deal is cracking though, have been very happy with my metas being drive by a 18 yr old receiver. To reach 90DB SPL at 1m distance, you only need 8W of power to drive these (just use any power calc). Don't let anyone try to sell you audiofool bs.
Would recommend getting a sub if its for a larger space.

162 Comments

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Dec 25, 2022 03:38 AM
122 Posts
Joined Oct 2016
r1mattrrDec 25, 2022 03:38 AM
122 Posts
I'll try these out with my el cheapo yamaha receiver from costco.
Dec 25, 2022 03:46 AM
297 Posts
Joined Oct 2009
nghy9700Dec 25, 2022 03:46 AM
297 Posts
Quote from Tike71 :
Anyone have rotel/b&w pairing to compare this to? Happy with my current cm5 and 2 channel rotel, but I'm open to exploring other setups.
LS50 wireless II, Sub KF92. Time for upgrade
Dec 25, 2022 03:52 AM
982 Posts
Joined Dec 2013
greenwichDec 25, 2022 03:52 AM
982 Posts
Quote from LivelyThread9350 :
I don't want to get into a debate here but this is absolutely wrong advice. All amps sound the same given they have enough current and low floor noise and distortion. Class D has come a long way, you can easily get your hands on sota class D amps like Purifi for $800.

This deal is cracking though, have been very happy with my metas being drive by a 18 yr old receiver. To reach 90DB SPL at 1m distance, you only need 8W of power to drive these (just use any power calc). Don't let anyone try to sell you audiofool bs.
Would recommend getting a sub if its for a larger space.
I'm sorry but you have no idea what you are talking about. I've 6 amps costing from $80 to &1100 (both class d and ab). Every amp sounds different. "Aidiofool bs" lol. Ive seen plenty ppl who rely on online reviews and have no idea what they are talking about. This one looks one of those.
Last edited by greenwich December 24, 2022 at 07:58 PM.
2
Dec 25, 2022 04:01 AM
170 Posts
Joined Nov 2015
sr2002Dec 25, 2022 04:01 AM
170 Posts
Quote :
Quote from Zorfunk :
Ok, dug up your post:

RA-1572 SINAD 76 (terrible)
Arcam SA20 SINAD 86 (mediocre)
Monolith 2x200watt cant find any measurements
McIntosh MC152 $5,500 (lol) SINAD 103 (excellent)

Except for the McIntosh any Hypex or Purifi amp SMOKES the amps you mention for price, output and performance with SINADs of 98-106 with 180Wx2@8ohm/340Wx2@4ohm

SINAD numbers are from this well respected repository:

https://docs.google.com/spreadshe...Y/htmlview [google.com]
ZorfunkOk, dug up your post:

RA-1572 SINAD 76 (terrible)
Arcam SA20 SINAD 86 (mediocre)
Monolith 2x200watt cant find any measurements
McIntosh MC152 $5,500 (lol) SINAD 103 (excellent)

Except for the McIntosh any Hypex or Purifi amp SMOKES the amps you mention for price, output and performance with SINADs of 98-106 with 180Wx2@8ohm/340Wx2@4ohm

SINAD numbers are from this well respected repository:

https://docs.google.com/spreadshe...Y/htmlview [google.com]
Again you keep missing the fundamental point. How about you list 4 Hypex based amps that aren't from an obscure brand no one's heard of and aren't DIY/industrial solutions. Secondly, the hypex module is one piece of the puzzle, it also needs a solid PSU, filter network, 12v triggers, Balanced/unbalanced circuitry etc. Please show me some hypex amps that have all that and are available mainstream (NAD Master's is probably the only one and its pretty expensive)
2
Dec 25, 2022 04:03 AM
170 Posts
Joined Nov 2015
sr2002Dec 25, 2022 04:03 AM
170 Posts
Quote from greenwich :
I'm sorry but you have no idea what you are talking about. I've 6 amps costing from $80 to &1100 (both class d and ab). Every amp sounds different. "Aidiofool bs" lol. Ive seen plenty ppl who rely on online reviews and have no idea what they are talking about. This one looks one of those.
Thank you for stating this! There is no ideal amp than can replicate the exact input signal at its output. These debates would have been over a long time ago if that was true. All amps add some level of color, distortion and sound signature.
1
Dec 25, 2022 04:08 AM
37 Posts
Joined Dec 2009
ZorfunkDec 25, 2022 04:08 AM
37 Posts
Quote from sr2002 :
Again you keep missing the fundamental point. How about you list 4 Hypex based amps that aren't from an obscure brand no one's heard of and aren't DIY/industrial solutions. Secondly, the hypex module is one piece of the puzzle, it also needs a solid PSU, filter network, 12v triggers, Balanced/unbalanced circuitry etc. Please show me some hypex amps that have all that and are available mainstream (NAD Master's is probably the only one and its pretty expensive)
I'd love for you to articulate your "fundamental point". So many options dude. NAD, Monoprice even makes them. They're like 15 good Hypex and Purifi options under $2k that smoke the amps you mention. Class D has arrived. Have a good night and a Merry Christmas.
Last edited by Zorfunk December 24, 2022 at 08:20 PM.
2
Dec 25, 2022 04:08 AM
982 Posts
Joined Dec 2013
greenwichDec 25, 2022 04:08 AM
982 Posts
Quote from sr2002 :
Again you keep missing the fundamental point. How about you list 4 Hypex based amps that aren't from an obscure brand no one's heard of and aren't DIY/industrial solutions. Secondly, the hypex module is one piece of the puzzle, it also needs a solid PSU, filter network, 12v triggers, Balanced/unbalanced circuitry etc. Please show me some hypex amps that have all that and are available mainstream (NAD Master's is probably the only one and its pretty expensive)
Just stop with the readings/measurements already. I bought lots of those "perfectly neutral" speakers and amps over the years. None of them sound the same. You've to see what you like to listen. Some people like bright sound of Klipsch, some ppl like me like analytical sound of kefs, some are bass heads. You have to make sure you are matching your equipments correctly to get what you like and not what these online reviewers like.

Sure readings help up to a certain point, but after that you have to decide what sounds good to your ears. Use these online rankings to shortlist amps, but dont use them to decide what is best for you.
Last edited by greenwich December 24, 2022 at 08:11 PM.

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Dec 25, 2022 04:19 AM
170 Posts
Joined Nov 2015
sr2002Dec 25, 2022 04:19 AM
170 Posts
Quote from Zorfunk :
Lol so true. Especially the people mentioning $5,500 McIntoshes and ragging on sub-$1k amps for $1100 speakers.

Just grab a denon 3500-3700 or a Hypex 2 channel and enjoy. These speakers are amazing.
lol, how dare people share their experiences. If I can't afford it, no one should! Great logic my guy. Merry christmas to you too.
Dec 25, 2022 04:22 AM
37 Posts
Joined Dec 2009
ZorfunkDec 25, 2022 04:22 AM
37 Posts
Quote from sr2002 :
lol, how dare people share their experiences. If I can't afford it, no one should! Great logic my guy. Merry christmas to you too.
I'm really sorry a $1-1.5k Purifi sounds and measures better than your $5,500 McIntosh.

And I can absolutely afford it, I'm just not stupid with money.
Dec 25, 2022 04:23 AM
23 Posts
Joined Jun 2022
LivelyThread9350Dec 25, 2022 04:23 AM
23 Posts
Quote from greenwich :
I'm sorry but you have no idea what you are talking about. I've 6 amps costing from $80 to &1100 (both class d and ab). Every amp sounds different. "Aidiofool bs" lol. Ive seen plenty ppl who rely on online reviews and have no idea what they are talking about. This one looks one of those.
Keep drinking the koolaid but please dont mislead people. Curious about your thoughts on DACs, I am sure they sound different as well?
3
Dec 25, 2022 04:38 AM
170 Posts
Joined Nov 2015
sr2002Dec 25, 2022 04:38 AM
170 Posts
Quote from LivelyThread9350 :
Keep drinking the koolaid but please dont mislead people. Curious about your thoughts on DACs, I am sure they sound different as well?
Keep assuming everything is a conspiracy.
1
Dec 25, 2022 04:39 AM
3,037 Posts
Joined Jun 2006
luk350Dec 25, 2022 04:39 AM
3,037 Posts
Quote from LivelyThread9350 :
Keep drinking the koolaid but please dont mislead people. Curious about your thoughts on DACs, I am sure they sound different as well?
Curious about your take on this, pretty sure they sounds the same, like all violins, sax, drums, pianos sounds same. All musicians are stupid and throwing money away for their instruments. Right?
1
Dec 25, 2022 04:40 AM
82 Posts
Joined Aug 2014
KTN13Dec 25, 2022 04:40 AM
82 Posts
Has anyone compared the Metas (with a suitable amp) to the Genelac G Three self powered speaker system?

The Genelacs seem to garner universal praise, and have earned a Class A rating in Stereophile (The Metas also garnered a Class A rating).

It seems like the Genalecs will come in for less money if you consider the matching amp you'll need purchase to power the Metas.

https://www.stereophile.com/conte...oudspeaker

Any thoughts on how the Genalecs compare?
Dec 25, 2022 04:41 AM
170 Posts
Joined Nov 2015
sr2002Dec 25, 2022 04:41 AM
170 Posts
Quote from Zorfunk :
I'm really sorry a $1-1.5k Purifi sounds and measures better than your $5,500 McIntosh.

And I can absolutely afford it, I'm just not stupid with money.
Sure bud, enjoying viewing your music on an oscilloscope (i've been told that measures even better, ears are overrated anyway)
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Dec 25, 2022 04:47 AM
37 Posts
Joined Dec 2009
ZorfunkDec 25, 2022 04:47 AM
37 Posts
Quote from sr2002 :
Sure bud, enjoying viewing your music on an oscilloscope (i've been told that measures even better, ears are overrated anyway)
And now we've arrived to audiophile golden ear myth-land. Somehow, whenever we start taking numbers and measurements, it devolves into pseudo-science excuses.

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