tôi yêu bản dịchDefault Harbeth P3ESR vs ATC SCM7Hello.Did someone of you compare this speakers, or another Harbeth vs ATC speakers? What are the advantages and disadvantages?Thanks MarekReply With Quote Reply With Quote08-10-2009, 11:41 AM #2 hifi_dave hifi_dave is offlineSenior MemberJoin DateMay 2009LocationEnglandPosts994Default Re: Harbeth P3ESR vs ATC SCM7Yes, done the P3ESR V SCM7 many times.The SCM7 is difficult to drive even at low volume levels and does require the 'right' amp. Naim seems to work well as they have good 'drive' and do get some bass from the 7's. The overall sound is clean and uncoloured but cool and sterile. At low volumes they sound light and bright and need quite high volume to obtain a fuller sound.The P3ESR is easy to drive and has a full, solid, pacey and communicative sound. Large soundstage and stunning vocal quality, just good fun. They also work really well at low volume levels, you don't need to thrash them to get a balanced sound as you seem to need to do with so many speakers nowadays.Reply With Quote Reply With Quote08-10-2009, 11:45 AM #3 marek-fGuestDefault Re: Harbeth P3ESR vs ATC SCM7Thank you... It looks so that the ATC are more (and likely better) at/for higher volumes.MarekReply With Quote Reply With Quote08-10-2009, 12:44 PM #4 hifi_dave hifi_dave is offlineSenior MemberJoin DateMay 2009LocationEnglandPosts994Default Re: Harbeth P3ESR vs ATC SCM7Hi Marek,Yes, the ATC's work better at high volume levels than they do at low volume levels, so for late night listenign or if you have neighbours, they might not be ideal.On the other hand, the P3ESR works really well at low volume levels and also at high volume levels. In both instances, they produce a nice solid, pacey and large sound, one of the very best I've heard from a small speaker at any price and you don't need a big amp to drive them.Reply With Quote Reply With Quote09-10-2009, 01:14 AM #5 ryder ryder is offlineAdvanced MemberJoin DateMar 2009LocationMalaysiaPosts243Default Re: Harbeth P3ESR vs ATC SCM7I have not listened to the ATC but have read that it's an equally good product that is very neutral and uncolored and able to play at higher SPLs compared to Harbeth. hifi_dave is correct that the ATC will be more picky when it comes to amplifier matching as they seem to like a lot of good clean power from the likes of Bryston.Reply With Quote Reply With Quote09-10-2009, 10:11 AM #6 A.S. A.S. is offlineHarbeth UKJoin DateJan 2006LocationSouth of England, UKPosts5,137Default Re: Harbeth P3ESR vs ATC SCM7It is really a challenge to adequately describe two loudspeakers, from two manufacturers which are different in just about every detail. In fact there is far less in common between them than different so any perceived similarities are only superficial.Six points jump out at me after a little research:1. Harbeth cabinets are tuned 'thin-wall' boxes following the BBC philosophy. The front and rear panels are both removable and this critically effects the tuning of the box.2. Harbeth uses an injection moulded RADTAL2? plastic cone technology which behaves as a piston across the wide audio range.3. The Harbeth cone does not need 'doping' - with a sticky gunk - to augment damping; this damping is performed (as it should be) in the cone itself not in a painted-on layer, which will inevitably be a little (or a lot) different from specimen to specimen.4. Harbeth do not claim to be developing or supplying speakers to music recording studios, nor do we borrow technology appropriate to that market and user from our bigger speakers and apply it to our smaller ones. There is no relevance whatsoever to the loudness experienced in the monitoring room of a general purpose recording studio* and the typical listener at home.5. In a Harbeth speaker the screws that hold the woofer and tweeter (and crossover) in place are accessible by the user. That means, you can yourself with nothing more than a simple screwdriver, replace any part of a Harbeth speaker.6. Harbeth strongly believe that tweeters should be protected from 'little fingers'. As I've said before, we do not view the provision of spare parts as a profit centre as most companies do: unprotected domes will be damaged and will cost the user money in replacement parts. Our protected tweeters withstand probing, curious fingers.This relates to designing 'rock speakers' hereSome related reading: here here here here and hereAs to the performance of the P3ESR v. the M40 side by side in a broadcast/post production studio at normal, domestic friendly listening levels read a user's report here.-------------------------------------------------------------------------*Harbeth speakers are used and designed for the sort of listening levels experienced in a broadcast studio for the recording of speech and acoustic music in a typical home environment at about 85dB. As explained here before, that is a totally different design objective to designing for 120dB+ listening.Speakers designed for very high sound pressure listening cannot sound full and natural at a significantly lower level: that is a fact of psychoacoustics. So the first question that the would-be buyer should pose to the speaker manufacturer is "what loudness are your speakers optimised for". The answer to this tells you much about their appropriateness for use at home at moderate listening levels, esp. at night with neighbours through the wall.Alan A. ShawDesigner, ownerHarbeth Audio UKReply With Quote Reply With Quote09-10-2009, 04:03 PM #7 hifi_dave hifi_dave is offlineSenior MemberJoin DateMay 2009LocationEnglandPosts994Default Re: Harbeth P3ESR vs ATC SCM7Quote Originally Posted by ryder View PostI have not listened to the ATC but have read that it's an equally good product that is very neutral and uncolored and able to play at higher SPLs compared to Harbeth. hifi_dave is correct that the ATC will be more picky when it comes to amplifier matching as they seem to like a lot of good clean power from the likes of Bryston.The SCM7 doesn't (in my experience) go as loud as the P3ESR. It's a bit like the old LS3/5A in that it takes a lot of power input to make it sound right and then it starts banging on the end stops. There's no damage but they aren't happy if you like a bit of head banging.I like my Rock music and I like it loud and for this the SCM7 is not up to it IMO even with a big Bryston. The P3ESR satisfies my tastes and does it with even a small amp because it isso much easier to drive.Actually, I've been pleasantly surprised by all the Harbeth range as I was expecting them to be a bit lacking in the volume department but they are not. I have been thrashing the 7ES-3's this afternoon with a bit of Hendrix, Zeppelin, Nitin Sawhney, Muddy Waters and M.Jackson and there is no sense of strain or even of them running out of steam. They produce the goods with no excuses.Reply With Quote Reply With Quote09-10-2009, 05:19 PM #8 yeecnGuestDefault Re: Harbeth P3ESR vs ATC SCM7Is the ordering of the listing more or less reflects where Harbeth's secret lies?I find it interesting to see "think-wall" boxes comes first in the listing. Cabinet design has been a fascinating subject for me lately. I have been paying attention to speaker boxes that I came across. I am more or less certain that speakers with thick walls will sound thin and lean on low volume - which is most of the higher end speakers. Some floor standers has got a long organ pipe like resonance tube. My last speaker (which I kept for less than 2 months) was of this design. The bass is too lazy, too diffused and lacking in definition. The really cheap Japanese speakers with fiberboard boxes can make a lot of noises even at low volume, but it is hard to call it music.
Molded plastic is another material that I find interesting. When I got my new laptop computer (Dell XPS) I was puzzled by why the speakers sounded so thin. Then I realized it is all in the notebook body. The Dell XPS has got a slick and lean metallic body whereas my old Dell Inspiron has got a bulky molded plastic body, and it acts as a very good resonance box. I have a tiny computer speaker with the same type of thin-walled molded plastic body; and that tiny thing can play LOUD with a lot of rich overtones!
I wondered whether molded plastic is able to scale to a full size speaker cabinet and produce convincing mid and lower bass. It will probably sounds like a cello or piano made of plastic. But I have not heard a cello made of plastic. I would be interested to find out.
I am new to the audiophile world, but I have not heard any other speakers that sound like Harbeth yet. More than once I have friends walking into my house thinking that there is somebody playing piano in my house. The life-like mid and lower bass response with the crystal clear mid and treble can make it sounds like there is a chamber ensemble playing in my house.
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09-10-2009, 10:58 PM #9 A.S. A.S. is offline
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Default Re: Harbeth P3ESR vs ATC SCM7
I hadn't written them in any contrived order, just as they occurred to me, but (again) your insight seems very apt. I read your previous comments on the magic of the thin walled cabinet and I have to admit, that it made me think deeply. It is far more subtle than it seems.
Alan A. Shaw
Designer, owner
Harbeth Audio UK
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10-10-2009, 07:37 PM #10 marek-f
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Thanks for allanswers...
Small question, what is the diameter of the Harbeth RADIAL2?
110mm or 5" ?
Marek
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11-10-2009, 06:00 AM #11 ryder ryder is offline
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hifi_dave,
I am generally comparing between ATC an
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