Koss Totem Mani-2 76 User Manual

No. 76 $6.49
LOUDSPEAKERS: Does the Totem Mani-2
still rate as one of the world’s truly great speakers? We also look at an economy speaker from an old friend, Castle. And an affordable speaker with a Heil tweeter.
THE COMPUTER AS MUSIC SOURCE: We
get out hands on the newest Squeezebox, and find that a computer can bury many a “high end” CD player
PLUS: Paul Bergman on speaker
impedance, and how to measure the impedance of your own speaker
ISSN 0847-1851 Canadian Publication Sales Product Agreement No. 40065638 RETURN LABELS ONLY OF UNDELIVERED COPIES TO: Box 65085, Place Longueuil, Longueuil, Qué., Canada J4K 5J4 Printed in Canada
ASW Speakers
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Target
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WBT
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also available in silver
ASW Genius
400
“It has all the volume you could
ever want, its bottom end goes
down to bedrock, and its top end is
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IN ONTARIO
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Audiophile CDs
Audiophile LPs
DVD and SACD
The Listening Room
The Totem Mani-2 Signature 30
It was 14 years ago that this astonishing loudspeaker wowed us. Now the Signature version does it again
The Elac 204 Speaker 34
An inexpensive bookshelf speaker that comes with the fabled Heil tweeter
Issue No. 76
Cover story:A new look at the contemporary version
of the Totem Mani-2, which we once called one of the world’s finest speakers. In the background: a cloudscape of the imagination.
NUTS&BOLTS
Speaker Impedance 18
by Paul Bergman
What it means, how impedance affects performance, and how you can measure your speakers’ own impedance
FEATURES
Montreal 2006 22
by Gerard Rejskind
A leisurely tour of the venerable Montreal show, now in a new venue
Castle Richmond 3i Speaker 36
It looks rather like the superb (bu!t no longer made) Castle Eden, only with both dimensions and price tag scrunched down
Headphone Amplifiers 38
We slip on our cans and try some amp options: the Lehmann Black Cube Linear, the CEC HD53R, and the built-in phone amp of the Benchmark DAC1 converter. We also listen to a new headphone from…Goldring
The Squeezebox 3 44
Can you get high fidelity by getting a digital signal from your computer to your stereo system over the air? And if so, how? Is it better than just listening to your iPod?
Power on the Go 49
Imagine a portable charger that can adapt to all the electronic stuff you own or ever will own
RendezVous
The Totem Man 52
We used the same title last time we talked with Vince Bruzzese…when Totem was still a startup
Is it like looking for the Unknown Soldier?
Software
Lightfoot 63
by Reine Lessard
Gordon Lightfoot is back after a near death experience. Reine looks at the way he changed a corner of the musical landscape
Software Reviews 70
by Reine Lessard and Gerard Rejskind
Touring the New/Old Show 25
by Albert Simon
Another way of seeing (and hearing!) the show
CINEMA
Future High-Res Discs 50 Blu Ray? HD DVD? And what about the audiophile?
Departments
Editorial 2 Feedback 5 Free Advice 7 Classified Ads 41 Gossip & News 77 State of the Art 80
ULTRA HIGH FIDELITY Magazine 1
UHF Magazine No. 76 was published in May, 2006. All contents are copyright 2006 by Broadcast Canada. They may not be reproduced or transmitted in any form, or by any means, electronic or mechanical, including photocopying, recording, or any information storage or retrieval system, without written permission from the publisher.
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PUBLISHER & EDITOR: Gerard Rejskind
ASSOCIATE EDITOR: Reine Lessard
Editorial
The all-digital issue
Until this issue, Albert was taking the widely-admired product photos appearing in UHF with a Nikon camera on Kodak Portra 160 film. As of this issue all his photos are digital. UHF has acquired a Sony R1 digital camera. Yes, I know, that means we have in a sense dumped analog (film) for digital, but in fact that ship sailed a long time ago. The magazine has been printed digitally for something like a decade, which means that our nice “analog” film negatives got digitized anyway before placement in our all-digital pages. The difference: digitization is now taking place right in the camera instead of a desktop digitizer. Albert is delighted with the results. I think you will be too.
EDITORIAL: Paul Bergman, Reine Lessard, Albert Simon
PHOTOGRAPHY: Albert Simon
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All color, except…
Issue No. 75 was UHF’s very first all-color issue, and both our readers and our advertisers took note. Oh, except for the eight-page insert in the centre of the magazine, the one for our Audiophile Store. That remained black and white, and on cheaper paper besides. It has been that way for many years, with the economy paper intended to hold costs down. But was it holding costs down, or is labor even more expensive than pre­mium paper grades? After the last issue went to press we asked our printer rep: if we dumped the insert and just added eight more color pages, would it be more expensive? Or cheaper? We got the answer the next day: it would be cheaper! That’s why the insert is gone. We scrambled to find color pictures of all the accessories found in our store, and the store catalog is now on full color pages. So now we really are all-color, except… Except that audio manufacturers haven’t got the word about color. Check out the stack of three headphone amplifiers on page 38. Can you believe that’s a color picture? There isn’t a hint of a tint in any of them. Of course when you plug one in you’ll probably see a tiny, barely visible blue diode glowing its little non monochromatic note. Whoopee! Even Apple, that champion of high style in consumer electronics, knows only two colors, one of which is white and the other of which is not. Good thing the iPod (on page 45) has a color screen. As for the tragically misnamed iPod Hi-Fi on page 78…well, I rest my case.
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Ultra High Fidelity Magazine is completely independent of all companies in the electronics industry, as are all of its contributors, unless explicitly specified otherwise.
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And speaking of the iPod…
We’ve already mentioned that a 60 Gb iPod, the largest one available, is part of our reference arsenal. Weve also mentioned that we continue to reject compressed music. A major article in this issue (High End Hi-Fi From Your Computer) explores in some detail how a home computer can become your main music source, and
About this free edition
why you dont have to leave great sound and musical sensibilities behind. The review involves a device known as a Squeezebox, the aforementioned iPod,
UHF lives in great part from the sale of the full edition of the magazine. But we
and the very computer this issue was created on. Youve read other reviews
also offer this free edition. The articles are not complete, as you’ll see, but many
of this sort, but this one includes one important difference. In listening, we
are, and you’ll find lots to read. Of course you can order either the printed edi
used exactly the same criteria we use to review even the best high end com-
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ponents.
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We figure you wouldnt settle for less, and neither will we.
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Feedback
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I’d like to thank you for publishing the component-by-component descrip­tion and especially the photo of the Omega system on the UHF Web site. I have long been curious to see a photo of any of your three systems, but since they are working tools I had assumed that they were, shall we say, less than presentable. Given all the equipment and accessories you review, I had a mental image of ankle-deep piles of mismatched interconnects and cables strewn about the room. It’s also reassuring to see that you have the same aggravating room prob­lems as your readers (what appears to be a doorway just left of the left speaker, the turntable sitting askew on its platform to allow for access, etc). The combination of the Omega system photo and the similarly appreci­ated UHF No. 75 State of the Art article has given me a sort of speaker position­ing awakening. I had always understood and agreed with your advocacy of placing the speakers on either side of a room corner (if possible), but I had not conceived of being asymmetrical within that placement (i.e. I had always assumed that the corner should be exactly midway between the two speakers). Unless my eyes are deceiving me, the Omega system speakers are not centred about the corner, but are shifted rather signifi­cantly to the left. True? Given such an asymmetrical corner placement, should each speaker never­theless be about the same distance out from the wall (as appears in the Omega system), or can that also be different? Given a decent hi-end system and acoustics, and a stereo image that appears to originate midway between the speakers from the “sweet spot”, how far off axis should one be able to sit and still hear that image as being centered rather than increasingly originating from the nearest speaker? All the way
out until a speaker is directly in front of you? Beyond even that? Given the size of standard equipment racks and the W-8, it looks as though the inside edges of the Omega Reference 3a’s are about 2 m apart, but only about 30 cm out from the wall (that seems really close). Given that the Omega system is in a “large room” just how far from the speakers is your listening posi­tion? I would imagine relatively close. My Totem Mani-2’s are centered about the narrow wall of a long, narrow room (8.4 m x 3.5 m) having at best mediocre acoustics. They are placed way into the room, about 1.25 m from the back of the speakers to the wall. I have always assumed they needed that much room for their prodigious depth. In your recollection from the review you performed (quite a few years ago now), is that distance too great? (For reference, my speakers are about 1.8 m apart centre-centre, and I sit 2.8 m away from them — and with experimentation I think that the 2.8 m is about 0.6 m too far away.) I had rejected an Omega-like speaker placement when I first bought my house due to the constraints of the room, but if the Totems can be significantly closer to the wall (particularly in a corner­centered placement), then it’s worth a try experimenting with such a place­ment to see if I can improve the width of my currently very narrow sweet spot. By necessity I’ll almost be in the near­field (another great UHF article), but that might help negate the poor room acoustics.
Jeff Tennant
BURLINGTON, ON
Jeff, for anyone who missed it, we should
mention that the photos of our Omega system appeared on line in our ephemeral Virtual Room, which opened the week before the Montreal show and remained open through
mid-April. It has since closed, but we expect to bring back new incarnations of it. We should add that the Omega system was particularly easy to photograph, but the Alpha system is a lot closer to the way you imagine our systems to be. You are right that the speakers have been placed asymmetrically in the room, but then the walls on either side are not quite identical. You noted that there is a doorway to the left, but there is also a doorway on the right... actually a large archway to an even larger room. These are not necessarily bad things. An open doorway does not reflect sound, and thus it can be thought of as a broadband absorber. The speakers are indeed quite close to the rear walls, about 50 cm out, a distance that was determined by ear. Speakers we review are first listened to at the same distance, then adjusted by ear as well. The speakers are actually quite far apart, about 4.5 metres, and we listen, typically, from about 4 metres back. The Signature version of the Mani-2 is reviewed in this issue, and we found that a distance of about 65 cm from the rear wall was about right, though that will vary from room to room. By the way, how far off you can sit off-axis and still hear a stereo image depends on speaker placement, acoustics, and especially the speakers themselves. With our Reference 3a speakers you can get away with being well off-axis. The same would be true of well-placed Totem Mani-2’s.
Of all the many enjoyable things on your Web site, the tour of the Virtual Room was the best. I would love to see the same treatment to the other two rooms you maintain. Thanks for all the good advice.
Jay Valancy
IRVINE, CA
First, let me say we appreciate the opportunity to have UHF Magazine review our speakers again after so much time. This new range of Energy speak­ers is in our opinion one of the best we have ever made and still continues to provide Canadian audiophiles with the best sound available for the money. We were therefore surprised to read that your team was unimpressed with the new Reference Connoisseur RC-70 speakers. This is one of our most popular speakers and has, to date, received terrific reviews
ULTRA HIGH FIDELITY Magazine 5
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highlighting their tremendous imaging,
6 ULTRA HIGH FIDELITY Magazine
dynamics and musicality. Tom Norton, of Stereophile and Ultimate AV fame, had a totally different opinion of the RC-70 than your team. In his review Mr. Norton is quoted as saying, “the RC-70 had superb overall tonal balance” and that the “top end of the RC-70 is as open, airy and as detailed as you could wish for.” Mr. Norton’s comments regarding soundstage repro­duction and midrange accuracy are also different from what you found. He said, “the RC-70’s sounded neither ‘in your face’ forward nor recessed, and produced a detailed, well-focused soundstage… Voices were…beautifully ser ved by the RC-70, with soaring female voices and male vocals that were rich and full bodied.” We are not sure if your opinions were biased due to your experience and appreciation of the old Reference Con­noisseur model, or if you were looking for something else from these speakers. Your comparison of the original Refer­ence Connoisseur to today's RC-70 is like comparing a 20-year-old muscle car with today's muscle car. They are very different in every sense, and making a direct comparison is like comparing apples and oranges. While both may be good or excellent cars, they do things very differently, and this must be taken into consideration. Today’s Reference Connoisseur product had more challenging standards to meet. Twenty years ago it was only about the sound. Efciency, dynamics, low distortion and power handling were less of a concern. Today, our speakers are used in a number of different congura- tions, from state of the art two channel systems to high-powered multichannel systems. The Reference Connoisseur Series must have the efficiency to be driven with modest-powered amplifiers, plus must have the dynamic range and power handling to handle the demands of movie soundtracks. A three-year development program was necessary to redesign every component in order to meet these standards. The new tweeter, midrange and woofers for the Reference Connoisseur Series are ground-breaking in their ability to perform to the high­est musical standards, while providing
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ultra low distortion with high power handling. All of us here feel the new RC-70 surpasses the performance parameters that were established by the original Reference Connoisseur. The RC-70 still has the captivating, immersive sound of the original, but has improvements in almost every area. In your review you mention that the frequency response curve “is amazingly flat, one of the best we have ever mea­sured.” Then you suggest that comes at a cost: phase accuracy. Flat frequency response of the speaker system is made up of both magnitude and phase rela­tionships of the individual drivers. Since you mention the RC-70 has flat frequency response, it would suggest that the phase relationship between the individual drivers is also correct. Also, another point is the place­ment of the microphone in trying to recreate the square wave that you were measuring. In a two-way speaker, the microphone distance can be at a shorter distance and still deliver a somewhat meaningful measurement. With a multi­source speaker system like the RC-70, a small microphone distance from the speaker would result in a meaningless test, with measurements that do not reect what the speaker is truly recreat- ing. The only way to perform accurate acoustical measurements, especially with multi-driver speakers, is a microphone distance of at least 2 metres. As you probably know, such a microphone distance requires the use of an anechoic chamber, which negates the inuence of room boundaries when the microphone is placed at greater distances from the speaker. We are still not certain why you were not able to get good results from the RC-70, even though the response curve suggests the speaker should be excellent. Maybe the room you placed the speaker in was too small for such a full range speaker system? We do know that the RC-70 is definitely suited to larger rooms than the previous Refer­ence Connoisseur model, as it has more extended response and output. As you can tell, we are very disap­pointed by the tone of your review and by some of the comments, which
we feel, are unfounded. We think the Energy brand and its loyal customer base deserved better.
Scott Goodman
Energy Speakers Brand Manager
SCARBOROUGH, ON
Kudos and, better, bravo for a singu­lar and superlative publication. I quite eagerly digested my very first issue ever of UHF about a week ago. I am still in a very pleasant state of shock! Having quite regularly sampled both The Absolute Sound and Stereophile for about four decades, my mind set was entirely unprepared for UHF’s unique raison d’être. Your guiding ethos, ethics and modus operandi are so simple in their fundamental elegance. To allude to Carly Simon’s lyrics celebrating the now mythic procreative capacity of 007 is simply incorrect. Not only “Nobody Does it Better” — double negative intended — but no other publication does
it!
Bob Reinach
POULSBO, WA
Just noticed a spelling mistake on the cover of UHF No. 75… “redicovery.” Since most of your subscribers are prob­ably a little more educated than most, I expect youll probably be getting a deluge of e-mails. Still love the magazine though.
Jeff Malloch
ELORA, ON
Somehow one never thinks of running
spellcheck on a cover. Too obvious, right?
I read the comment about the “open source” turntable in UHF No. 74. Your writer said that this was not the way hi-fi equipment is designed. Yet one of the top billed turntables around, the Teres , was designed just this way. Interested people got together on a newsgroup and deliberated, and this led to a small run of parts and then a commercial endeavor, and some pretty over-the-top variations, not to mention the Redpoint brand. You can check out the process here: http://www.teresaudio. com/project/index.html.
Dominic
MONTRÉAL, QC
Free Advice
Box 65085, Place Longueuil
Longueuil, Québec, Canada J4K 5J4
uhfmail@uhfmag.com
First, let me say that I bought both of your books on high fidelity and loved them. I also received a copy of your magazine and have subscribed for the next two years. I also ordered six of the most current back issues. I got back into hi-fi about two years ago after 15 or so years and find myself wonder­ing why I ever got out. My current two chan­nel system consists of the following: Wadia 861 standard CD player, CAT JL-2 tube amplifier, Martin Logan Odyssey speakers, and Audio Research PH3 phono preamp. I have a small collection of vinyl record­ings that have not been played in years. I have had the itch to incorporate analog into my system. My question to you is which turntable you would suggest to match the Audio Research preamp? I don’t want to spend much more than $3500 in total for the turntable and cartridge. I have heard good things about both Nottingham’s Spacedeck and turntables from Pro-Ject. I purchased the Audio Research PH3 used and plan to upgrade in a year or so to the CAT SL1 preamp with phono input. Any comments about this particular preamp? I have been using an old Thorens turntable that I had lying around, but I have not been very happy with its performance. I didn’t know if I should try upgrading the cartridge first or just move on right away.
Carl Waldbillig
WEST CHESTER, OH
We’d move on right away, Carl. The best argument in favor of used Thorens turntables is that people all but give them away. They were somewhat better than average, and better than the Duals, whose reputation remains a mystery to us, but their tone arms were wretched, and we wouldn’t overspend on a cartridge for a Thorens arm. Incidentally, they are unrelated to the modern Thorens tables, which seem better designed, though we still have problems with the arms.
We’ve also heard good things about the Nottingham, with which we have however no experience. We have listened to several Pro-Ject turntables, and there may be a good choice to be made from its lineup, probably in the RPM series. Note that Pro-Ject offers electronic speed control as an extra-cost accessory. In our experience, that sort of upgrade affects more than just correct speed and is worth including. There are several cartridge brands we like, including Benz Micro and Clearaudio, and we hear the newest Dynavectors are worth a detour. You should get a moving coil pickup, or failing that a moving magnet cartridge with very low inductance, and certainly a line contact stylus. Your budget won’t let you buy the very top, but careful shopping should score you a very good experience. There are of course other possible brands of turntables, including Rega and Clearaudio, to name but two. You may want to choose a model that is available with local service, because a top turntable that isn’t aligned properly is not going to give you what you pay for. And little things are going to count, because you have a high resolution system. We can presume that adding the SL1 preamplifier will let you hear with even greater clarity anything that may be wrong with the source. On the positive side, your system’s resolution will make you very glad you’re listening to vinyl again.
I have a question concerning acoustics, or more precisely treating my listening room for low frequencies. I have a very good sound system that reproduces highs and the midrange marvellously well. The low frequencies have good impact, but there’s a sort of boominess around 80 to 100 Hz (hard to be sure), suggesting a resonance.
I wonder whether you know of some way — for example some sort of panel — that could reduce this phenomenon, or better yet eliminate it. I have already built panels two inches thick of different shapes, using a Masonite sheet on which I had glued with liquid tar a very heavy black paper, all nailed into a frame made from two-inch wood. I had screwed the panels to the ceiling in my former home in Repentigny and the results had been very good. But now I live in the Gaspé. What do you think?
Marien Desrosiers
ST-JEAN DE CHERBOURG, QC
Marien, if your home-built panels gave you good results it is certainly because the acoustical problems you then had were in a different part of the frequency band. From what you say your new room has a problem in the extreme lows. Here the solution is more complicated. Why more complicated? It’s because sounds in the range of 80 to 100 Hz have a very long wavelength (more than 3 metres for 100 Hz!). The long wave­length will pass easily through a thin panel and bounce off whatever is on the other side. A panel that can deal with such frequencies needs to be…thicker. In the case of our Alpha room, the home of our original reference system, behind one wall is a bass trap nearly a metre deep! A radical solution to be sure. It’s possible to build a freestanding bass trap with well-chosen dimensions (it might be 1 m by 75 cm by 60 cm, for instance, with no dimension that is a multiple of another dimension), built from materials that are relatively non­resonant put permeable to sound. You would fill it with mineral wool, so that air vibrating within the cavity would rub against the fibres and be dissipated as heat. However certain articles of furniture can also help absorb bass, at least to a point. A well upholstered sofa can help, as can a bookcase full of books. Finally, changes in speaker placements can have a great influence on what you hear. Since moving speakers is free, that is where we would start.
My equipment consists of a Roksan Radius 5 turntable, a Rega Fono, a Rega
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Free Advice
By the way, there is now an updated
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version, the Moon I-5.3.
I have just come across your magazine and am impressed. I don’t believe the local bookstores here carry it. I have four Linn LK’s Aktiv on 5140 and 5120 speakers, primarily for home theatre. Would you recommend upgrading these amps to something else in the Linn line, keeping the Aktiv speakers, or blowing out the whole thing, at no small cost?
Jay Avril
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until now? UHF Magazine has.
Read its evaluation on our Web site.
620 rue Latour SAINT-HUBERT, QC J3Y 6A7 Tel.: (450) 676-6898 Fax: (450) 676-6153 info@sracoustique.ca www.sracoustique.ca
Planet 2000, Reference 3a MM de Capo-i speakers, a Moon I-3 amp, an Inouye line filter, Atlas Navigator cables, GutWire power cables, and Puresonic Competition flat speaker cables. My question is what to upgrade now?I am thinking of trading up to a Moon I-5. Is there a big enough difference between these two integrated amps? The sound of this system is very nice at low to moderate volume, but loses something above a certain volume. I don’t listen at extreme levels but would like to get a little more volume before the sound starts to harden up.
Pete Doan
RIDING MOUNTAIN, MB
We found pretty much the same thing you did when we reviewed the Moon I-3 in UHF No. 71, Pete. We liked it a lot, but when we raised the volume we could tell we were listening to a small amplifier. It will perfectly suit a lot of music lovers, but you’ll be happier with the I-5. Ironically the I-5 is less powerful than the I-3, but current is as important as power, and subjectively the I-5 appears to have four times the power.
No small cost indeed, Jay, and a move to be undertaken only if you have reason to believe that you made a mistake going with this Linn system in the first place. And we don’t think you did. We like the idea of biamplifying, and although this is not a Linn invention it was Linn that made it so simple. The bad news is that the company in January discontinued not only the whole LK line, but also announced it was drop­ping the Aktiv system entirely. We don’t approve, but the marbles belong to Ivor, not to us. If you’ll be staying with Linn, you’ll need to move while LK products remain in stock. Linn does make a chassis that will power your crossover modules so that you can use them with an amplifier that does not have a slot for them. You may then want to look at an amplifier upgrade. That can be one of Linn’s newer amps, though of course at that point you can choose your manufacturer and still remain active…er, Aktiv.
I’m in search of a quality bookshelf speaker and have narrowed my short list to the Reference 3a De Capo-i’s. My room dimensions are 12’ X 10’. My system is centred on the longest wall, so I don’t have much choice but to place my speakers near the back wall with the rack in between. Since the De Capo’s are rear-ported, would this seriously hinder sonic performance? I could place them at about a foot from the rear wall and not much more. I haven’t heard it yet, but I would also consider the Veena. Is it rear-ported too? Would it be too big for my small room?
CLEARWATER, FL
Michel Fleury
VAUDREUIL, QC
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Probably not, Michel, because the Veena is not substantially larger than the MM De Capo, and indeed its woofer is smaller. The notable difference, of course, is that the Veena doesn’t need a stand. We prefer the De Capo, but since our review Reference 3a has announced a tweeter change. Both the Veena and the MM De Capo are rear-ported, which means you cannot place them up against the wall. However in a small room a distance of a foot (30 cm) or slightly more from the wall is likely to be adequate. Placement close to a wall adds loading to the rear port, and therefore moves the low fre­quency cutoff higher. At the same time the “megaphone effect” of the wall-floor boundary can emphasize the bass that is reproduced. A distance of less than 30 cm from the rear wall would probably not give pleasant results.
My entry level system consists of an Atoll CD50, Atoll IN50 amplifier and a pair of Polk Audio RTi38 bookshelf speakers. I’m considering either adding a Goldring GR2 (or Rega P3) turntable, or getting
a pair of second-hand Totem Model One speakers (in good condition for about $1000). Which purchase would give me the most significant increase in sound quality?
Bo Jiang
DORVAL, QC
We are tempted to point out the obvi­ous: the Totems will add immensely to the sound of your system, but if you try to play an LP on a loudspeaker you are likely to be disappointed! For that you definitely need…a turntable. Consider these factors. First, can your amplifier drive the Model One to a level you will find satisfactory? The IN50 is the smallest of the Atoll ampli­fiers, rated at 50 watts per channel into 8 ohms. What’s more, its power into a 4 ohm load is just 40% higher, at 70 watts, which suggests that it has limited current capacity. If you do get the Model One, chances are the amplifier will be next on your upgrade list. Then consider how much of the music you like is available on LP. In the case of the classical repertoire, adding either the Goldring or the Rega opens
up the possibilities of bargains galore. The same is true of classic jazz (Shelly Mann, Ray Brown, Herbie Hancock, the Modern Jazz Quartet, etc.), but possibly not current artists.
Being a rank beginner audiophile, I occa­sionally (all right, it’s all the time) become quite confused, especially when it comes to cables, power cords and power converters. One person’s advice: power cords first! The next: no power cords until you clean up the juice with a power converter! The next: the power converter will screw up everything, don’t do it! I’m lost. It seems to me that the power converters would be a good thing. I can’t see that the juice coming from my (upgraded) home outlet is going to benefit my system until it’s gone through some sort of trans­formation, otherwise it seems that I’m just getting whatever level of performance is available at the outlet, no matter how good the power cord. I hate to waste money on the wrong thing, so which should be first? Do I just go all out and do both? My system includes a Cary 2A3-Si, Linn Ikemi, and Soliloquy SM-2A3’s. Then
ULTRA HIGH FIDELITY Magazine 9
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there’s the question of speaker cable and the
10 ULTRA HIGH FIDELITY Magazine
connections between the CD/amp. Is my little system worth the really good stuff? I don’t want to spend more than I can afford, yet I want to get the best results and sound I can. Everybody I talk to has an opinion, they’re just all different!
Arlan Sanford
SANTA FE, NM
Of course we have an opinion too, Arlan, and one more opinion on top of the ones you’ve already heard is pos­sibly not what you hoped for. Still, if we explain why we think what we do, you’ll be in a better position to make sense of the other advice you’ve received. Perhaps we can begin with a light bulb joke that ran in our pages some years ago:
Q: How many hi-fi gurus does it take to change a light bulb? A: None, because there’s no point in changing the bulb until you’ve installed the right cables.
Sound familiar? The truth is that all of these upgrades, if they’re done right, will make your system sound better, and if you can
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question. If you can’t reasonably do that, then spend the money in the order that will give you the biggest audible differ­ence for each upgrade. The cheapest upgrade is not even on your list: changing the duplex outlet in the wall. Hardware store outlets have been getting worse and worse with the years because despite inflation their price keeps dropping. The connection they give you is dreadful. The reason hospi­tals don’t have those is that a poor con­nection can result in arcing and sparks, and sparks are what you don’t want in a ward where there’s oxygen flowing. You also don’t want a dodgy connection on a piece of medical gear that cost a couple of million bucks. We suggest you settle for nothing less. With that done, let’s have a look at what a better power cable can do for you. The upscale connectors on a good cord will, like the better outlet, give you a tighter connection with less noise gener­ated by the connection itself, and with less loss of voltage too. What’s more, a power cable that’s any good will be shielded. That prevents it from picking
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up radio-frequency noise and feeding it into the system through the ground, and it also prevents certain components, particularly digital components, from radiating digital noise where it can get into places it shouldn’t. Though some power cables have price tags that can induce cardiac arrest (another reason they use hospital grade connectors, perhaps), some affordable ones offer both shielding and good connectors. Shielded power cables, by the way, have generally more capacitance than the cheap cables that no doubt came with your gear, and that is already enough to filter out a little of the high frequency hash that comes from the power company. To finish the job it’s useful to add a good power filter, but as you already know good ones don’t come cheap. Some of them, what’s more, can actually make your system sound worse, hence the warning from some experts. In particular, filters that limit current can adversely affect power amplifiers. And we haven’t yet gotten to the speaker cables and interconnects. If you’re using the cheap junk that is avail-
able free or almost free, then changing it is virtually an emergency measure.
I have just completed the removal of the Valhalla board, AC motor, switch and associated cables on a Linn LP12 turntable and replaced them with the Origin Live Advanced DC motor kit. The results are nothing short of impressive and seem (by your description) to be very similar in character to the improvements realized with the Lingo I was wondering if you had ever heard the mod, and how it compares to the Lingo. I’m sure Linn is not in favor of this type of behavior but I would guess some UHF subscribers (like me) wouldn’t mind seeing a comparison of the available PSU options that can drive the LP12. Considering the cost of Lingo upgrades, these alternative mods start to look pretty good.
Nick Dudley
PORT COQUITLAM, BC
Nick, many years ago we did a direct comparison between a stock Linn LP-12 and an LP-12 that had been upgraded with a subchassis made from a more exotic material. The one with the new
subchassis sounded better. Now here’s where it gets interesting. One of our then staff members, Henry See, was looking for a good turntable, and he was offered either of the Linns at the same price. Despite the fact he had participated in the comparison, he chose the stock Linn. Now why would he do that? He explained the reason for his choice: the upgraded LP-12 did sound audibly better, but it wasn’t a Linn anymore. There was reason to believe that Linn would be offering more upgrades in the future — indeed it already was — but if Henry bought the modified LP-12 none of those upgrades would ever be avail­able to him. In retrospect he was right. Today’s Linns, even those that have not had the full tilt upgrades, sound way better than the modded LP-12 Henry turned down. To be sure, what was true then may or may not be true in 2006. Linn’s turn­table sales are today a tiny fraction of its business, and it isn’t certain that future upgrades will amount to more than tinkering. A third party improvement
ULTRA HIGH FIDELITY Magazine 11
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may now, therefore, make sense. Or it
12 ULTRA HIGH FIDELITY Magazine
may not. It’s your choice which horse to bet on. A true test would require having two LP-12’s that are absolutely identical, getting one of them modified, and then
having both properly adjusted by some­one who didn’t have a vested interest in the outcome. It’s not the sort of demo any store is likely to offer.
I recently wrote to you questioning if I needed to have my speakers connected to my tube amp even if I was listening to it via the headphones. You expected that my headphones would provide sufficient load on the amp, and that the speakers did not need to be connected. But I expect that one day I will turn on the amp and will have forgotten to either attach the speakers or the headphones, and then… So, I would like to make a pair of 8 ohm resistors. Can this be done easily from a pair of speaker binding post soldered up to a 8 ohm resistors, or is it more complicated than that? If it is a DIY project, how do I do it? I don’t trust the guy at The Source.
Tim Leeney
GEORGETOWN, ON
We’re not sure why you want those 8 ohm resistors, Tim. You can’t leave them connected all the time, and the danger remains that you might turn on the amplifier when none of the loads is con­nected: speakers, phones or resistors. That said, we can understand why you’re wary of the people at The Source (full name, for the benefit of non-Cana dians, is The Source by Circuit City, the sign affixed to what used to be Radio Shack stores). The resistors you’re likely
to find there have a power rating of a quarter watt, and we’re being optimis­tic. Put any amount of power into one, and…poof! Followed by possibly another poof from a tube in your amplifier. You’ll need a power resistor from an electronics supply house, and you may have to put several resistors together to get the rating you need. When we made up the dummy load we use in amplifier tests, we purchased three large precision 24 ohm resistors and connected them in parallel (24 divided by 3 is 8). If we had found 2 ohm resistors, we could have wired four of them in series (four times 2 ohms is 8).
I just replaced my aging Dual turntable with a Goldring GR2. I also replaced my Rotel RQ970 with an ASL Phono LUX DT. The Dual had a Grado Green cartridge with a 5 mV output. The GR2 uses the Goldring 1012GX, with a 6.5 mV output. The ASL phono stage has 41 dB of gain. Is this combination too much gain? I don’t know the gain on the Rotel, but with my old combo I had to turn up the volume much more to get an equivalent output level (as CD). The current Goldring/ASL combo is at least the same, but probably slightly more than what I get from most CD’s. What are the drawbacks of this combo? Should I be looking for a lower gain phono preamp, or should I stop worrying and enjoy the music?
Tim Leeney
GEORGETOWN, ON
We suggest enjoying the music, Tim. It’s normal to hear some hiss when you turn up the volume on a phono stage. A worse sign would be hum that is louder than the hiss. The output voltage from even a moving magnet phono pickup is a thousand times lower than that from a CD player or other component. What’s important is that the noise not be notice­able from listening position even in a quiet room. The output difference between the Grado and Goldring cartridges is not significant, a mere 2.3 dB. Even so, it could be accounted for merely by dif-
-
ferences in testing methods of the two companies. Those figures are what are called “nominal output.” Translation: well, we had to say something.
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I just picked up your magazine for the first time and love it. I especially enjoyed
The High Fidelity Digital Jukebox (in UHF No.74) and looked up your previous
articles on the CEC DA53 and the iPod. I would like to know what would be necessary to make a “hi-fi” system with this technique. I would start fresh and abandon all my mid-fi and at this point would use a CD or DVD player and stream music via Wi-Fi or LAN. Thus I am most interested in playing music from digital sources. I would like to start building my system, so could you list the components in order of necessity? I already have a computer, iTunes (I use Apple Lossless) and a network.
VICTORIA, BC
Derek, this issue includes a review of the Slim Devices Squeezebox, which may be one key to getting the best possible sound from your computer. The Squee zebox connects by Ethernet or Wi-Fi, and it can feed a digital signal into a genuine hi-fi system. Using the Apple Lossless codec is the right choice in our view. Anyone not able to use iTunes can download the Free Lossless Audio Codec (FLAC), available for all com­puter platforms including Linux, Unix, Solaris, plus some we’ve never heard of. It’s at http://flac.sourceforge.net. Actu ally, if your computer is near your music system and it has a digital output, you don’t even need the Squeezebox. The idea of getting a digital signal from the computer or the accessory box
Derek Sou
-
is to avoid letting cheap computer gear handle the digital-to-analog conversion.
-
That means you’ll need a good quality external converter, which could turn out to be your most expensive single component. If you want to be able to play CDs directly, look for a good CD player which also has a digital input.
Then add what you can afford in the way of an integrated amplifier and loudspeakers. Both should be made by companies that also make the products you wish you could afford.
First of all I want to tell you how much I love reading your magazine. I am very
ULTRA HIGH FIDELITY Magazine 13
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familiar with many of the audiophile maga-
14 ULTRA HIGH FIDELITY Magazine
zines, and I think yours is the most objective and informative of all of them. It makes me proud to know that such a great magazine comes from Canada. Now on to the CEC DA53 converter. After reading your review in UHF No. 72, I purchased a DA53 and it is very good. As you noted in your review, it certainly adds punch to CDs. Like you, I was most interested in its versatility and particularly its ability to be used with an iPod. The only problem is that I haven’t been able to figure out how to connect it to the iPod. I would still like to know how you guys connected an iPod to the DA 53.
OAKVILLE, ON
In fact, John, we jumped the gun on the question of connecting the iPod to a DAC. We had no difficulty connecting our computer to the DA53, and we made the assumption that, since the iPod can connect to a USB network, the two were made to go together. That doesn’t appear to be true.
John Lorito
But we haven’t given up. We have talked with two accessory companies (one of them Griffin, which brings out clever iPod accessories almost daily) about making an adapter to get pure digital from the iPod. We know the signal’s in there, and it appears that there’s at least one device, Apple’s penny dreadful “iPod Hi-Fi,” that can get access to it. We hope to crack the secret, and we’ll let you know how we do.
If the Cambridge DiscMagic/DACMagic are a matching pair, why is the DAC input limited to coax BNC, when the transport has an XLR output? Furthermore: this may be relevant (it’s from Audio Asylum): Join the two “hot” wires from the AES plug side into the single “hot” on the RCA side. Keep ground on AES to ground on the RCA side. It works but is not ideal, as an AES cable needs to be 110 ohm impedance and an SPDIF (coax) is 75 ohms. Be aware that the SPDIF digital signal is a +0.5 v to
-0.5 v signal and an AES signal is +5.0 v to
-5.0 v, but this should not be an issue, because
most DACs wont bother about this.. Does the above DIY make any sense, or is the transformer to match impedance absolutely necessary, if not advisable?
James Tay
TORONTO, ON
The Audio Asylum instructions you quote for matching a balanced output to an unbalanced input won’t work, James, and it’s obvious on the face of it. Mix together a positive voltage and a nega­tive voltage of the same value, and what do you get? Zilch. Whoever posted this hasn’t tried it, or else loves the sound of silence. If you want to try a more rational method for adapting balanced to unbal­anced, these are the pin readouts: pin 1 is ground, pin 2 is “hot” or positive and pin 3 is negative (it’s the inverted version of the signal on pin 2). However there is absolutely no point in using the balanced input or output on one component unless the other component is also balanced. We should also add that a lot of “bal­anced” components are not balanced at all, because the goofs who designed them don’t understand what balancing is or what it’s for. And if “balancing” has been accomplished by adding an extra circuit, perhaps an op amp chip, you can guess what the result will be.
I have been reading your reviews on two integrated amplifiers, the Copland CTA­405 and the Audiomat Opéra, and they both seem like they offer a lot of refinement for the money. Could you please guide me towards the best sounding of the two regardless of their price difference? I also noted that in both your reviews on these amplifiers there was a moment where they seemed to sound more enjoyable than the reference system, and on that particular note it seems that the Copland definitely had the edge over the Opéra at sounding better than the reference system. Is it possible that the Copland 405 is better than the Opéra? Please help me buy either of these as to the best sounding amplifier of the two.
Laurent Shriqui
MONTRÉAL, QC
You aren’t the first to ask this, Lau­rent. We should explain that the two amplifiers were not reviewed on the same
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system. The Audiomat Opéra, with its much larger power supply, was listened to on the Omega system, because we thought (correctly as it turned out) that it could handle our Reference 3a Supremas, with their push-pull passive subwoofers. The Copland CTA-405 would no doubt have had a more difficult time deliver­ing the current needed, and so we made the decision to listen to it in the Alpha system, with our Living Voice Avatar speakers. The Copland’s excellent per­formance pointed up what we had been suspecting: that an upgrade of the Alpha system might be in order. That has since been done.
I have the following eight-year old system: Linn Classik, Linn LK100 and Linn Keileigh speakers. I have a budget of about £2000. Could you suggest what the best upgrade route would be?
Darren Gibson
BRIGHTON, Sussex, UK
We wish we could make all of this section available free, but our accountant has this little thing about us staying in business. Ah well! But the rest of the issue can of course be seen whole. You have your choice of the print version or the electronic ver­sion. Alit acip euisi. Ut nulluptatuer sis esto dolore te volum eugiamc ommol­orem at laorperos do odo odolum quat nisim nissis nonseni amcorpe rcidunt euguercing estionsed dipisl in henis nosto conulla alismolobor irit at. Dui tinim doluptat alit, sum et lobor adig­nibh ex eraestie vulputat, si. Ibh eu faciduip euguer amcommod ming et adipit la adit ver sustie tis acidunt wisi eugiat. It am quisis adigna faci eum quation sequatis nim dolorti onsequa mconse consequis diam ex euguerostrud magna faci te veliquis num del utat. Molorperit wisl ullamet nim vulputet nonsed duismod oluptatem quat, quisi. Agna consed tet lor sum iriure dolortie vel et, quip eum nulla alisisim nonse magna aliquat. Pis digna feuguer suscidunt lore velendre feu feuis augiamet pratem vulluptate dolum elit utat wis nonulpu tpatum aut in hendignisi. Lit adio od dipis acidunt lor si. Cumsandigna faccum inim iustrud
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aesequat alit, quat pratue vent lore dit nostrud tio odipit ut ulputem zzriure tet aciliscil del er ad dolore ex esed dunt nulla acilit doluptat. Consenibh etuer autat nulputat ilit prat la consed ming elit nibh erostrud eummolumsan euipisit lor am dolor illaore do dit lamcon vent ulputet prate doloborper at. Agnim alit diate elisseq uipsum in etue feu faccumm odolore dolendreetue molor ipsusci lissectet euguer sustrud te venismo dignim do odolorp eraestis nis nim dolor si tem quat. Utat aci bla alisl eliqui bla facidui ssenibh ea commy nim zzriure vullan­dre magnim vulputpat vel utatum ilis elessecte feugiam eugiam aliqui tinibh etuerit nullam, commy nit prat volore commy numsandre con henibh ea com­modit alit iuscillum dolesequis dolut praese elit adionsed esequat, consequis del eugiamconse voloreet, volorero el et, si. Tat, quamcon hent ex eum nonsed tem quam quisl ute te magnismolent utate digna facidunt iure modolorero consequam veliquisit ad dio odion ullam, senim vullaor sit alit lor ing eliscip enim zzrit nulluptatum delit, susto odiatet luptat. Tie molorperosto dolortio dion eugait venit, vercidui ea commy num zzrilit luptatis nim volorer cilland rercinis ero exer summolore vol­oreetue magnit loreet adiatio eu faccums andipisi. Aliquis diam dolore core eriusto odi­onsecte feuis nibh elestrud dolor augue conse del dolor alisit inim illut vent la cor sum dio conulluptat. Andre magna ametue molor ing eriure ting eliquam alit vel dio exero odio od minim irilit ullutpat wismod eu feuisi. Urem zzrit et, quisi te tatem at, commolo rperci estrud exerci ea feuguer iliquis et prat. Hendrercilis do eniam velessit luptatin et, sis nibh eugait lortie molo­boreet, consenim zzrilis ciliquat, sustrud dit irit dit, quis nullutet ilisim volendre ver at velisi. Esequate dipsum quat. Wis erosto odolore er summodolum nulluptatum dit do ent lumsan ullam nonullut wis dolendre feuisi. Tat ut dip er augiamc onsequam alit lobore ming eum illandigna ad eum
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ULTRA HIGH FIDELITY Magazine 17
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Nuts&Bolts
Speaker Impedance
18 ULTRA HIGH FIDELITY Magazine
hat is the impedance of your loudspeakers? Is it 8 ohms? Or 4 ohms?
W
it is not just a single number, but what difference does it make anyway? At the very least you are no doubt aware that a speaker with a very low impedance can present a problem for an amplifier, and potentially can damage it. Think about the fact that short-circuit­ing an amplifier output can either break it, or blow a fuse, or trigger a protection circuit. The lower the impedance of a loudspeaker, the closer it comes to being a short circuit. Some amplifiers can drive a load of 2 Ω or even 1 Ω, but most will not. (The Greek letter Omega is of course the symbol for resistance). In any case, low impedance may not be your only worry. With this issue, UHF intends to begin publishing impedance curves for loud­speakers reviewed, and for that reason I have been asked to explain speaker impedance, and also to suggest a simple manner of measuring a speaker's imped­ance. “Simple” in this case means using a minimum of specially-purchased equip­ment, though in day-to-day operation it is less simple than using a purpose-built instrument that can spit out a complete impedance graph in a few seconds. Yes, impedance measurements result in a
Perhaps you know that
graph, not just the single figure usually found in loudspeaker literature, but let me begin with some basic concepts.
What is impedance?
If a loudspeaker were to be driven by DC (direct current) we could speak simply of its resistance. The speaker’s internal wiring has a certain (low) resis­tance, as does the fine wire that makes up each driver’s voice coil. However loud­speakers are intended to be driven by AC (alternating current), whose frequency of alternation is that of the sound we are attempting to reproduce. Thus we need to take into account the speaker’s induc- tance and capacitance. The voice coil is an inductor, and the internal wiring may be as well. Inductance can be thought of as a resistance that is frequency-dependent, with its ohm value rising as frequency drops. Most crossover networks include capacitors, which introduce capacitance. A capacitor can also be thought of as a frequency-dependent resistor, whose ohm value rises with frequency. Since a capacitor’s impedance characteristic is exactly opposite to that of an inductor, it is easy to see how capacitors and induc­tors can be combined to make filters. I shall add, without great elabora­tion, that these are not the only factors
by Paul Bergman
determining the impedance reflected back to the amplifier. For example, as a woofer cone moves back and forth, acting as a linear motor, it also acts as a generator, actually generating a voltage that is opposite to that coming from the amplifier. That this complicates things is an understatement. It must also be evident that, in a speaker that combines resistance, induc­tance and resistance, the total impedance cannot be a single number, since it will inevitably vary with frequency. This is not typically taken into consideration by designers of amplifiers, who test their designs by loading them with an 8 ohm resistor, possessing neither capacitance nor inductance, and having a constant impedance at all frequencies.
The ideal, and the practical
The closer a speaker is to a pure resistance, the more confidence an amplifier designer can have that his product will behave in the customer’s home exactly as it did on the test bench. That said, few loudspeakers are very much like resistors at all, and so in fact amplifiers must be designed to operate with impedances that are vastly different from that ideal resistor. What is more, the designer cannot know in advance the characteristics of the speakers that will be used with his product. To see what he (and we) are up against, let us look at the impedance curve of a small two-way speaker, which has a famous name I do not propose to reveal. It is shown on the next page. The curve has been drawn by a technique I shall describe presently (see Measuring Impedance on page 20). Most speakers, I might add by way of explanation, have a considerable peak in impedance at the point of resonance of the woofer and cabinet. The one I have arbitrarily selected has only a small rise, centred around 100 Hz, which would be the practical lower limit of its bass response. The manufacturer’s nominal imped­ance rating is 4 Ω, but you need only glance at the curve to see that it deviates from that rating quite considerably. It dips to about 3 Ω at 16 Hz, which should present little problem for an amplifier designed the least bit competently.
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Rather more formidable is the higher part of the curve, specifically the imped­ance at 6 kHz. As you can see, it rises well over 20 Ω. What will this mean for the poor amplifier? Let us consider first a solid state amplifier, the type most people use. It is common for an amplifier to have But that’s as far as the article goes in plaintext. Do by all means check out either the print or electronic edition. uis dignisc iliscipissi. Tum veliquat ulpute dolore volore facipsum esequat. Ut lan veliquat praese facilit lutpat nibh euguero ea feuguer suscing enismod dolorero odiamco rtiscil lamconsequat wismod modion vel ulputat. Utpation utpat augait am, core tisi. An hendreet nonsenim dit, ver sus­trud dunt utet autem quam, sis augue magniam consequat adipis adiam, consed te ming esent loborper iure commodio commodit lum zzriure vullumsan henim iustin utatum vel ilis aut loborperilla feum do odolore commodolore dolore dolesto eu feu feu feuipsu scipit ad molorem ex ero odolobore dolobortie digna conullaor si bla consecte et exerit lum alismolore ming esent vullamc onul­lan henisl ute core vent volor si. Sumsandre con hent ilit nim nis accum nissequam ero eraestrud dolore ese dolore dolutat, volobore diat praes­tismod te facilla facil inci blan et aliquis ciliquiscil dignis am quis niamet nisse eniamet, sis nibh eraesen dionum zzrilla feuipis modolut adip euis dolessi. Iquametuerat nullamc ommolore con utatuer ostinit nos eugiam nos adionsed euisi ex eril ilismod te te mod et adionse quissent aliquisi te doluptat ing enit ea alis accumsan velessectem dolorpe rostrud dipis nonsenisi. Iril iure molobor sustismod molore mincilit acing er accum vulput in utat, quat ad eril doloreet lan euismol ortinim digna autpat lobor sectetum quamconulla commy niation sequatie el ip ea augait, consequam adionsectet alis ex exer sum zzriure eugiam iriurerit ad eros dit alit num del ullutpat, sisisl et et volorper si blam, quatem init, consequi bla coreet, vent iriusci bla feu feuipis modolore dolesse conulla feuis adit laor ilit lutpatin el in velisci ncilla facinibh eugait adipit nibh et nis nonsed magna
feummod do coreros eugait il ex eugait wisi ex et num quisim aut atum del del dolobore eros endigniatue dolor secte ex eugiat. Illa corperostrud tisi.
Impedance and damping factor
Dui eugiam, volobor peraessi.
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bor sum dolor ad magnit, conse do diat at lummolore etue tat, sequat wis dolor aci bla feum el utat venit dolorem euisi bla atinim dolesti ssenis aliquat ilisci tatet, quis am, secte feuisl iriusto eril utat, sed eugiat velenim nim zzrit ad eugiat ad exercilla consenibh exerilla faccum nonulla feugait lutat. Am ipisl utat. Henim volorperil dolore faci tinibh et wiscilit num irit niscill andigna cor ip eum dionsectem dipit, consed tio cor sectet amcon ex eugiat, venibh et, consequ ationsecte min ero conullaorero dolortisl iustis aci er susto commy nim zzriliq uamconse er sim nit eraestrud tat. Duisim velenisl ing ero exerciduis dolor­tio consequis nulputpat nisim volobor adion veriustie feuis adigna feugue min ute dolore veliquat, velenim in vercipi smodolore dolorper si. Xer sim exer ing ercidui tat iriusto dionsectet, sectet endio deliqui te et, cor susto consequisl duisim ad dolobore te vero odip eu faccum ver ad dolenim delit volore dolobor alisl duis alisi tinis atin ullam ilit lore conulpu tpatem iriusci ncipit pratet adionullummy nonullutpat. Igniam, consed dolor at, venit volore conullaore con volorperit incidunt ing elisl iuscip erat, summodo lendre facidui blaor irillam, quam, consecte dolor sed deliquam am eugiam, quipsuscilla facilla commodignim ip eui blam accum quip­sum digna alis nostie dip enim irit iusci elenim deliquis augue volorer ing ex eum dolumsan henim adigna ad dolortincil ullandre tionsequat. Non er susto ea faccum zzriurer accummo dolobore magna feugiam, veniam dunt nos nonse te doluptatio doloboreet, consed tin ute dolore consectem dolore veliquatin henis
ULTRA HIGH FIDELITY Magazine 19
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Measuring impedance
V
1
V
2
1000 Ω
20 ULTRA HIGH FIDELITY Magazine
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Good enough UHF uses them!
This remarkable cable is from Atlas.
Unlike so many cable companies, this Scottish
company keeps markups reasonable.
Navigator All-Cu is made from strands of pure
copper, each drawn from a single crystal.
So are the connectors.
The Navigator All-Cu passed a blind test
in UHF No. 71.
Can it pass your test?
THE AUDIOPHILE STORE
www.uhfmag.com/Cables.html
ULTRA HIGH FIDELITY Magazine 21
Feature
Montréal 2006
t seems forever that the Montreal show has been at the Delta hotel, right downtown. The Delta was
I
a great venue for hi-fi companies looking for solidly-built rooms whose acoustics you could work with. It wasn’t so good for those needing vast space, and the show had long spilled over into adjacent hotels. This time organizer Marie-Christine Prin intended to attract other consumer electronics firms: Sony, Toshiba, Nikon, perhaps even (snicker!) Apple Computer. Hence the shift to the Centre Sheraton, also downtown. I was the one snickering about Apple, but guess what…Apple was there. UHF was not, however. Unlike the varied hotel rooms at the Delta, the Sheraton rooms are too small for what we do. We made up for it (sort of) by putting a “virtual room” on the Inter­net, (complete with a system that could be seen and examined, if not actually heard), which remained open through mid-April. Our absence meant that both Albert and I had plenty of time to tour. Albert’s account follows this one. The official guide to the show, by the way, had a hopeful photo of a Nikon
camera, but Nikon wasn’t there. It could have been worse…imagine Nikon hadn’t come and Canon had! On the other hand Sony did have some cameras there, including the DSC-R1, which Albert and I had a great demo of. After the show we bought one…and the product pictures in this issue (except for the show pictures) were taken with it. For several years the show has been affiliated with a good cause, research into children's diseases. Proceeds of the official show CD have gone to that cause.
by Gerard Rejskind
This year the cause also had an official spokesman, actor Rémy Girard, shown on this page with Marie-Christine. Girard will be familiar to worldwide movie audiences as the man in the hos­pital bed in the Oscar-winning film The
Barbarian Invasions.
Did the show’s shift in venue and orientation pay off? At show’s end Marie-Christine told me it definitely had, and I talked to a number of exhibi­tors who were ecstatic…the ones in the large rooms and salons. I also talked to less happy exhibitors, who had found the hotel rooms too squeezed, the entranceways to them too narrow, and the acoustics…well, it’s a hotel, isn’t it? I have no idea whether the happy ones or the unhappy ones predominated. Notwithstanding the show’s ambi­tions to be a sort of mini-CES, this is a consumer show, not a trade show, and it is therefore normal for local dealers to be major exhibitors, albeit with the support of their suppliers. And thus there were large rooms backed by such stores as Audioville, Coup de Foudre and Codell. Not at the show was the largest of these dealers, Audio Centre. I had heard before the show that this suburban store would move back to its old building (very old, in fact) to save money. Rumor said that it was just…gone. I’ve often deplored that the Totem Mani-2 loudspeaker (reviewed in this issue) is never heard at shows. It was there this time, in the Audioville room (see the photo at lower right on the next page), driven by Conrad-Johnson gear. As usu­ally happens when it is demonstrated, visitors commented on how amazing it was to hear a small speaker filling that huge space. The official show CD, a music sampler, is produced by a local high end recording company, Fidelio. The company had brought not only its own CDs but also its Nagra master recorder, shown on the next page. I got to hear the master tape of a new percussion SACD the company was launching. It’s tough for other exhibitors to compete with
that.
22 ULTRA HIGH FIDELITY Magazine
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One of the nicer rooms belonged to a Canadian com­pany not that well known even in its home country, LaHave. Its Wedge speaker is on page 28. It’s pleasant musicality kept me in the room for a while on the third day. The amplifier at bottom left caught my eye too, because I
had noticed it in an ad in our Auru m Acoustics (from Newfoundland) was back with the final version of its astonish­ing tri-amplified loudspeaker (it comes with its own amps, four of which are single-ended tube units). Now that the system (includ ing t he ma nifest ly
excellent CD player/pre-
amplifier) is entering
production, our inter­est in doing an in-depth review has definitely perked up. Aurum is not the
only high end company situated well outside metropolitan centres.
From Ma scouche (a medium-sized town just
far enough from Mon-
treal to qualify as more
than just a suburb) came the
Revelation Mistral S-5 (its pic-
ture is on page 25). It caught my attention because, like the Reference 3a speakers in our Omega reference system, it
is a two-piece speaker: a smaller two-way unit sitting on a massive subwoofer. When
I heard it, driven by Exposure electronics,
it had a simply huge sound. From closer to us came an amplifier and
a pair of small speakers, under the name of Merikaudio. The company is in Longueuil, which in case you don’t know is the Mon-
treal suburb where UHF is located. The
amplifier is not yet in its final form, and the
matching preamp is
still on the draw-
ing board, but
they may bear
watching.
last issue. It’s the Audio Space, and it’s next to the JAS Odin loudspeaker. Yes, the speakers have ceramic woofers. The price: C$7800. I must say that the demo I heard was worth sitting down and listening to for a bit. I’ve often heard the huge wooden Edgarhorn, shown at left, at CES. I had never been very happy with it, but it actu­ally sounded quite good this time, with natural tonal balance, though (as is often the case with very large woofers) little in the way of a real stereo image. Dr. Bruce Edgar was there, and as you’ll see from the next report Albert was impressed with neither the speaker nor Dr. Edgar. In Vegas I had heard an oversized “bookshelf” speaker called the Escalante Fremont. This time I heard a smaller model, the Pinyon (above right). It looks rather conventional until you look closely at the metal-clad enclosure and the ring radiator tweeter. Like the Fremont, it sounded truly excellent. Also sounding rather interesting was the Mirage OMD28. The new OMD series replaces the OM series, which replaced the M series. The $10K speaker has carbon fibre woofers and midrange, and a dome tweeter facing upward into a diffuser. Seeing how the company was rather disappointed with our review of one of its speakers in our last issue (see Feedback in this issue), I refrained from suggesting a review. Regional show though this might be it does manage to pull in a few high end celebrities. VTL’s Luke Manley was here last year. This year William Andrea of Mimetism was here (his integrated amplifier got a warm review in our pages in issue No. 74), and so was David Berning (you can see him on page
26). Berning had brought his newest preamplifier. His monoblock power amps, alas, were not quite done yet, though he had prototypes in unfinished form. Also present was Linn’s Martin McCue, who was showi ng som e products that will
ULTRA HIGH FIDELITY Magazine 23
Feedback
Feature
arrive in stores soon. That includes
24 ULTRA HIGH FIDELITY Magazine
the Artikulat speakers (shown on page
27), and the new Majik strictly two-
channel component series. I’ve already
asked to review the Majik CD, which will replace both the Genki and Ikemi,
with a price situated about midway. Before you ask, like the older models it will still have HDCD decoding. I’m always happy to see (and espe-
cially hear) Sonus Faber speakers, and there were two new ones at the show. The Anniversario (extreme right) is gorgeous, as you’d expect, and it sounded luscious too. I saw but didn’t hear the Guarneri,
next to it, bearing serial number 002. Its
projected price is C$14K, but if it’s any
consolation the stand is included. Et, conse minit ad euguerosto
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