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Kubs's picture
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KEF LS50 - Which Amp ..?

Hi All,

Just wanted your opinions on suitability of amplifiers to partner my KEF LS50:

MF M6i - too powerful, too higher price bracket?

Primare i32 - same questions as above.

I like a detailed, smooth, wide sound stage with a deep taut tuneful bass

Cheers,

Kub

Synology 212j
MDAC
-- Van Den Hul
Musical Fidelity M6500i
-- TQ Black
KEF ls50

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RE: KEF LS50 - Which Amp ..?

Not heard either with the KEFs (which I have heard) but you are in the right area. Too many folks are tempted to pair them with something weedier!  I think KEF were usng Leema at the Bristol show, and they have an Arcam A38 in their HQ to demo the LS50 (according to a recent article).

Krell CD and amp, Michell/Rega/Grado record player, Hitachi and Sony tuners, Nakamichi cassette, SBT streamer, Sonus faber spkrs.  Sony and Samsung BDP & TVs. Qobuz > iPad > AudioPro Allroom Air One

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RE: KEF LS50 - Which Amp ..?

I would not worry about those amps being "too good" for the LS50s....though they will sound very different.

At less money, the A19 works well, but the amps you listed should be better.

Also consider the Electrocompaniet ECI-3.

"We should no more let numbers define audio quality than we should let chemical analysis be the arbiter of fine wines."  Nelson Pass

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RE: KEF LS50 - Which Amp ..?

Kubs wrote:
Hi All, Just wanted your opinions on suitability of amplifiers to partner my KEF LS50: MF M6i - too powerful, too higher price bracket? Primare i32 - same questions as above. I like a detailed, smooth, wide sound stage with a deep taut tuneful bass Cheers, Kub
Your amp options have ample grunt. What you need to compare are other aural qualities that will live best with the KEF LS50's. You will need to try them out with the speakers in a physical setting. The KEF's will let you know within a minute or so, I bet! They are very transparent / unforgiving.
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RE: KEF LS50 - Which Amp ..?

I heard these recently with an Arcam A19 and wasn't that impressed.  Think you need something with ample drive so the A38 mentioned above is a good shout, especially as Kef use it as reference equipment

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RE: KEF LS50 - Which Amp ..?

According to a German magazine, Musical Fidelity M3i is a perfect match for them. The Kef LS50 is bright and the MF is warmer sounding. If you have the money MF M6i is great too with extra power but the M3i is good enough.

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RE: KEF LS50 - Which Amp ..?

I heard the Kef's too, with a valve-amp. Too lightweight to my taste, compared to my Epos's. But a Creek Destiny could do some good there i think.

Airport Express (still analog!), Artephonos Energa (tube-amp), Peitho 303 (infinite baffle speakers)

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RE: KEF LS50 - Which Amp ..?

I've heard the Roksan Caspian M2 integrated amp sound really good with the KEFs.

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RE: KEF LS50 - Which Amp ..?

I heard the LS50s with Musical Fid. M3 and they were fairly good, I don't know if it is the ideal amp. I also tried the Audiolab 8200A which was very similar but had less power. I have heard the Pioneer A50 recommended which is cheaper (£500?), also the Audiolab 8200P (power amp). As you have the RK maybe adding a power amp would be the way to go.

Not sure you will get deep bass with the LS50s but should be taut and tuneful without any boom.

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RE: KEF LS50 - Which Amp ..?

Hello All,

Thanks for the replies. When I upgrade the amplifier I want to make sure it's future proof in terms of power and being 'good enough' if I upgrade any other components in my set-up to a similar price bracket as the amplifiers mentioned above.

I guess I should book some auditions ..... I need to understand if the price increases between amplifier buys a 'better sound' (I know - it's subjective and what does better sound mean anyway).

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RE: KEF LS50 - Which Amp ..?

I tried the Kefs with a Harman Kardon HK 990, Ayre AX-7E and now my densen pre/power combo. 

Has sounded very good on all 3 occasions. They really benefit from quality of amplification, but the sound signature remains very enjoyable, so I wouldn't worry tooooo much about your choice of amp.

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RE: KEF LS50 - Which Amp ..?

Speaking from very little experience. However, i've heard them being powered by a Roksan Kandy K2 amp and was blown away by them. Not sure if the speaker or the amp but I wouldn't rule it out. Especially for the value of it.

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RE: KEF LS50 - Which Amp ..?

Evening All,

Would a Musical Fidelity M6500i be overkill for the little KEFs (ls50) ..... ? I have an opportunity to home demo and purchase at a decent price .... just wanted peoples opinions on the fore mentioned amp ..... And .. are the rest of my components up to the job ...?

Thanks for your thoughts as always!

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RE: KEF LS50 - Which Amp ..?

Kubs wrote:
Hi All, Just wanted your opinions on suitability of amplifiers to partner my KEF LS50: MF M6i - too powerful, too higher price bracket? Primare i32 - same questions as above. I like a detailed, smooth, wide sound stage with a deep taut tuneful bass Cheers, Kub

Absolutely not.

 

Depending on what is available to you, buy the best amp you can afford, the two you mention are very different though, do try to audition.

Personally I rather like Primare, though the British market is a difficult one for amplifiers in this price bracket.

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RE: KEF LS50 - Which Amp ..?

Leema Elements working wonders for me!

Music: Naim ND5 XS | Naim SuperNait | Kef LS50

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RE: KEF LS50 - Which Amp ..?

Why doesn't the speaker manufacturer help us out? In this case answering the question: What would be the minimum requirements/specs of an amp in order to enjoy your investment in the LS50's to a reasonable/minimal level. I dropped the question at KEF whether my PM6005 amp is suitable to drive the LS50, fair question I reckon, no answer though. Why isn't there more TRANSPARENCY in this world where an amp without a speaker or a speaker without an amp couldn't exist?

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