jcshutts said:
How are you getting on with running in those Quattros David?
Are you changing your home set up in favour of the new KK range? What are your thoughts around music playback through them??
Well, they're running in quite nicely, both at work and at home (on loan). Will I be changing to them at home? Those that know me will know that I was a strong advocate of Miller & Kreisel back in the day, and there was no way I would've moved to anything else for movie soundtracks, regardless of price. Since about 2010, I've been trying to find a hi-fi speaker range that could be a good compromise for AV and music, with a little more emphasis on having some of the main M&K qualities. After a few tries, I found most of what I was looking for in the LS50, and I would strongly recommend them (and will continue to do so) to anyone who wants a single speaker package to vividly portray music and movie soundtracks. I always knew that there was still a few aspects of the LS50's performance that didn't measure up to the M&K's, but that can be out down to the nature of the speaker, and it is probably something that hi-fi speakers will never recreate properly. I just wanted to make the clear on that front before I'm accused of switching to "the next best thing". I love the LS50's, and if the KK's hadn't have emerged, I would continue to use them, probably for quite some time.
Moving on.
To address your question regarding music playback, this has been vastly improved over his older M&K designs. With the S150, I found that the KEF Q300 produced a much better performance making the S150's sound lifeless and flat, even though the S150's had more detail and a more 'upfront presentation'. Just how he has managed to improve things this much I have no idea, but the better built cabinets obviously help as these speakers draw no attention to themselves at all - they're solid and add no colorations that are detectable by the human ear (not mine anyway). The fact that they're all sealed cabinets means room boundaries aren't an issue. The new tweeter for the Quattro range is a new pro version of his old pro tweeter found in his S5000THX speaker, which has been designed and built from the ground up. There's no edginess, no brightness, just smooth, detailed treble that remains the same even when used at Reference level.
In connection with this, the only other issue I had with the S150 was with the vertical tweeter line array which was situated either on the left or right hand side of the cabinet, depending on whether it was a left, centre, or right hand speaker. I could always detect which side that line array was on, which wasn't an issue for the left and right, but for me, it was with the centre. This was my first major concern with the Q125C centre speaker as I've been used to a point source with KEF's UniQ array, and as the KK's HF Quad Array is on its left hand side. I fully expected to detect that these were on the left. At first, I could a little, but now they've run in it seems to have settled, and I've listened very closely to dialogue in various films and I've struggled to hear the issue. If this had still have been an issue, I probably would've gone for the Q85 to avoid it. I can only assume that the drivers are better integrated - having four tweeters allows them to reach much deeper than a single tweeter can manage. This means that the mid/bass cone doesn't have to reach up as high (probably to frequencies that it isn't too good at). Whatever it is down to, driver integration is excellent.
I'm currently listening to Nine Inch Nails' The Downward Spiral, and the detail level is a full on assault of the senses! There's just so much going on and you can hear everything. There's been a few songs that I have heard words I have never understood, including a track called Rolling, which I never actually knew the title of, and you could only ever hear her sing 'Roll', bit that it sounded like roll. But now it is plain as day as to exactly what she is singing. I've also heard voices in songs I never knew was there! (No, I'm not crazy! Yet). It has been mentioned that the Quad Array would 'smear' the image, losing pinpoint accuracy, but having come from KEF's UniQ, if this was an issue, I would notice it - there's certainly no issue regarding imaging - for stereo use, there's a pinpoint central image which is as good as I've heard from any speaker.
Various tracks from Boards Of Canada show just how revealing the speakers are of overdubs, and also show their imaging qualities perfectly. Being a small sealed speaker, there's no room boundary effects, no port effects, and no effects from deep internal bass waves (because the sub deals with them) to affect the stereo imaging, leaving the speakers to produce a solid three dimensional soundstage. Fast panning effects are just that, and sounds that appear from speaker to speaker sound as fastens precise as headphones. Mr. Scruff's Trouser Jazz album makes for some interesting listening too.
I do feel that the subs have their part to play in how good the speakers can sound. With a crossover point of 80-100Hz, a sub with good performance and low distortion higher up the range is needed, and there's not too many subs around that are good enough above 60-70Hz as most are designed to match ported speakers.
As with music, dialogue via the Quattros is crystal clear no additional effect from the cabinet, and therefore draw no attention to themselves whatsoever. With five KK's working together, the soundfield effect is seamless. Anyone familiar with older models will be able to appreciate just how much better they are in this area. And I've missed gunshots! One thing the M&K's could do far better than any hi-fi speaker was gunshots. None of the boom, just impact - the kind of impact that makes you flinch. Awesome.
Since having the KK's, I've also noticed that movies with mediocre soundtracks sound much better. I've Ben trying to get my head around this, but I think it is down to a lot of hi-fi speakers being a little too recessed/warm in the midrange, and some speakers trying to produce too much bass, which overshadows mid and treble detail. The mediocre sounding films sound that way because many speakers are adding their "warmth" to the proceedings. The KK's don't have that warmth due to being a sealed satellite design - you just hear what is there. This makes what seems to be a mediocre soundtrack sound more defined and punchy, and it was something I noticed with the Skynet edition of Terminator 2.
Watching a film like David Fincher's Se7en, there's a lot of atmosphere in Howard Shore's dark and haunting soundtrack, which adds much to the movie, as does the surrounding sounds of the hustle and bustle of New York. This movie is a test as far as dialogue is concerned, which the KK's pass admirably. The scene where they pay a visit to John Doe, the resulting chase/gunfight, and their search of his apartment shows just how much detail is available from these speakers that hi-fi speakers can only hint at. I'd also recommend the Criterion Edition of Fincher's The Game, which has a near field home theatre mix (as well as the original theatrical mix), which is excellent (other than a couple of scenes). Bear in mind it is Region A though.
The Incredibles sounds amazing. Lovely clean dialogue, impact where it is needed, and the bit where he is sneaking into Syndrome's base via the monorail sounds amazing. When he two guards look up to see the monorail pod hurtling towards them, it sounds like a bus has landed on the room! All effortless as well. I'm hoping WHF will review these as they sound stunning, and are easily better than the S150's - and to think that these are only the second range up in the range of four just leaves my mouth watering as to what's to come!
Both at work and home, I've found that these speakers work great without room EQ, although I would still usually recommend EQ'ing for sub/subs, even though I'm not using any EQ at all at the moment. We've had films running all day every day, and the Audiolab 8200x7 power amp didn't even get hot, so either it is a decent, stable power amp, or these Quattros are easier to drive than older M&K/MK models. Now that they're running in, I'll hopefully be trying them with lower spec integrated receivers to see how well they cope. I'm sure the liked of Pioneer's SCLX86 should drive them fine, it'll be interesting to see 'how low we can go' as far as driving them is concerned, and what effect a cheaper receiver will have on what these speakers have to offer.