Cheaptubeaudio has had a long history of advocating reasonably priced but excellent tube gears, particularly Singled-Ended Triodes. This Blog however covers a lot more than SET, and is not exclusively tube-related. Cheaptubeaudio prioritizes coverage of unusual and rare gears, particularly vintage ones, on which little info can be found on the internet.
Review: NAD 315BEE integrated amplifier (Last revised, 26/08/08)
PART 1: Background info
NAD has always been a good budget brand that delivers good driving power per dollar. Its very long history means it had both wildly successful products as well as many lemons. While NAD have always designed their amplifiers, many of their other products, like tuners and turntables, were simply re-badged products and varying in quality.
I once had a 3020i and did not like its bland and flaccid sound. On the other hand, the 412 tuner (OEM) was really excellent (but not the model that followed it, a Japanese one). They also have traditionally put out good sounding CD players, though I have never owned one.
Now based in Canada, in recent years, NAD have been expanding into the higher end a bit, with questionable success. However, recently their more humble products with the designation BEE (initials of chief designer, like Marantz's KI) have been garnering quite a bit of critical success, by even magazines like TAS and Stereophile. This has helped them regain footage (and dealership, like in Taiwan). On occasion I have heard them to usually good effect. I actually think the company has improved a lot and now walk a fine balance between hifi parameters and musicality.
This is a brand new design. Although I have read reviews of this amplifier in 6moons and Soundstage, I never paid much attention to this product as those magazines are frequently questionable.
A few weeks ago I checked out a stack of old HiFi News from the library to read in Shenzhen. And Ken Kessler's review of the amplifier (November 2007) caught my attention for the following reasons:
1. Although I don't at all like Ken Kessler's review of "high-end" stuff, nor his overpraise of current tube products, this is an unusual review of a very cheap entry level integrated, which he bought. Note that KK does have perspective in the "cheap-end" and an interest in vintage and audio history. Hence he compared this amp to the "classic" 3020.
2. I totally agree with him that the 3020 is nothing special.
3. Unlike other net reviews, he used really good source (Marantz CD12/DA12, tweaked by Ken Ishiwata) and serious loudspeakers in his testing. Both the Ls3/5A and Sonus Faber Guarneri pose serious challenge to any integrated amplifiers, especially the latter.
4. Although I am no technocrat, usually I do believe in simplicity and am skeptical of too much control circuitry. NAD's "soft-clipping" I know is useless from my experience with the 3020i, and all serious users switch it off. NAD's amps also have controlling "Power Drive" circuitry, which I am somewhat skeptical of too. But here The excellent Paul Miller provided really useful technical information that made this entry-level amp much more attractive to me. The simpler "Power Drive-S" is not even electronic! I like that. The quartz-halogen bulbs referred to are the 2 silver-colored tube shield-like cans next to the (good-sized) power transformer ( for better reading, remember you can click on the pics to emlarge).
And I was really quite attracted by the measurements, particularly the healthy peak level figures for even 2 ohms and that is comforting if I have to use it to drive speakers like ATC.
After reading the comprehensive review I was already tempted to buy one. Contributing to the final decision were:
Good looks (I prefer black/olive to the more popular silver/titanium).
Small size (only 2/3 as tall or deep as standard).
Remote control that is simple and effective (pictured in HFN).
Very reasonable price of $2xxx. As water goods is only a little cheaper, and no black color, I'd advise buying hong hoods.
My fetish with integrateds.
Part 2: My own listening experience
What started out as fun ultimately turned into a big "shootout" feast. But before the comparative listening (next part and future articles) the basic run-in and listening first.
From the start, it was apparent that this belongs to the "big" sounding camp. None of the usual over-emphasis on treble/imaging (=tiny and not live) stuff for this amp. This one majors on "presence".
At first sound is a little unruly and slightly coarse at high levels, but after several days of run-in this has disappeared.
In order to run it in I had it almost constantly on, by running it both in the living room and in the study. This thing generates a fair amount of heat, and that created a problem in my study during the first really hot days. That boiling hot day I used a fan on myself, no room air-conditioning. With the windows closed and the amp place high up on the (deep) bookshelf (its slim size enables this to be done), ONE time the amp muted itself, and I found the fins too hot to touch. After opening the windows, I could place it even higher up (now <1.5' from the ceiling) and do not have any issue even driving tougher speakers like ATC A7. The amp partnered all speakers very well, including Usher S-520/X-708 and KEF LS3/5A.
My main concern was classical replay. You shall note that KK did not even use one classic track and the German expressed reserve (with his weird speakers). Initially I was a little bothered by the coarseness. But not to worry, after running in, the amp turns out quite neutral in classical reproduction, be it solo intsruments or orchestral works.
Its overall neutrality can be glimpsed from one fact: It effortlessly reflects the effect of gear change. It can reveal the astonishing difference between the three TDA1541 16-bit CD players I used during the evaluation (Naim CD2, Sony R1/D1 and Esoteric P500/D500); and between all the speakers used.
Its capability can only be appreciated by partnering it with gears much oustside its price range. The better the gears, the better the sound with this little amp. It's a big mistake to base a review of this amp on partnering it with cheap speakers and CD players. It deserves better, like what KK had done.
During all this, it never put a foot wrong, and was always emotionally generous. It cuts to the core of music and is never boring. Do be patient with run-in.
And yes the remote is a pleasure. It now sits high up on my shelf, controlled from my desk-top. For this convenience, it has replaced the Cyrus I in my study. It is now playing through ATC SCM7 (placed on top of my bookshelves), fed by a Cambridge Audio DV87 player. Sound is great while I type! Oh, I just got myself a dirt-cheap and somewhat beat-up NAD 4020A tuner and it works wonders here too!The remote can control the matching NAD 515BEE CD player too; anyone wants to sell me one???
Next up would be comparisons with Cyrus I and Naim Nait II. This shall be followed in due course by comparisons of the small speakers and CD players mentioned in this review. Using this little amp? Why not?
This is the first in a series of "Buying Guides", which shall cover all components in replay. Of course, these do not aim at total coverage as they largely reflect my own experience of gears that I have used myself. BEST BUY Integrated amplifiers/Receivers No matter my ultimate preference, the budget integrated is an area I have always retained an interest in. These days in HK and NYC I listen to my second systems more than my main systems! While an integrated amplifier, especially a budget one, is ostensibly a compromise, it takes real judgment and art to achieve a good design, something surprisingly few manufacturers (especially non-UK ones) have managed to do. Provided your speakers are not too difficult for the limited power on hand, a good design can even outperform the same companies' separates in coherence and musicality, if not in power. I have observed that a lot of audiophiles, including many who think of themselves as old-hands, really cannot handle the variables in matching, and do not even know when the system veers alarmingly from the norm. I'd say even if you don't "need" one, it is essential to have one on hand for testing of musical balance, a sort of reality test for audiophiles who love to delude themselves. This article covers mostly old models. As mentioned, few makers achieve a good design, not to say one that is a bargain (an abused term these days). Many manufacturers today, especially non-UK European ones, make rather expensive integrated and promote the notion that the short signal path brings benefits. While that is not false, with few exceptions, their implementation is usually quite bland, compared to their UK counterparts.
The older integrated's all have surprisingly strong phono sections that surpass many outboard phono amps that you can buy these days. That's good news for the TT user! SOLID STATE (UK): The best integrateds are overwhelmingly British, and mostly older ones. One really miss the stereotype of the old UK/European audiophile: stingy, cheap, calculating every penny AND very demanding! UK gears are not quite the same now. I miss the old days, don't you? The modern and updated versions of these classics may have a "little" more power but they are largely the same (or inferior). They all claim continual refinement but looking at the circuit board makes you realize many are largely the same; sometimes the good is even refined out with the bad! So even evaluation of an old model can serve to illuminate newer ones. Musical Fidelity A1 and A100-X and variantsFrom a pure sonic viewpoint, personally I think the A1 (and its closely related siblings A1-x, A1-S, A2 etc) as well as the higher powered A-100-X are the best integrated amps ever. Their unique look is entrancing. But they run alarmingly hot. One must have adequate ventilation. They are musically so wholesome that one wonders why a tube amp is needed. They even have better bass! Power is limited but if your space is not too big it's enough. In this respect the A-100-X is superior, with enough power to drive a good speaker even in a larger LR (info here). If the A1 were not so good, they would not be introducing a new version so many years later (though its power rating is closer to the A-100-X)! I haven't heard the new one. I am using an A1-S in my bedroom, which is air-conditioned in the summer, but it's in winter that the amp is comforting!!! It's a great match with my Audio Physic Step. Here is a must-read site. MF is NOT a brand that I like too much but, hey, the A1 was designed by none other than the great Tim Paravicini, now founder of EAR. If you know the excellence of EAR gears, you'd like this one. The MC/MM phonostage is excellent.
Linn Majik (2010) Finally I got hold of one and this jumps now to head of the queue. It is superbly bold sounding, with outstanding PRAT. It merits a separate review! Cyrus I, II (III) The II adds the option of adding a separate power supply (which now commands a higher price than the amp itself). Even at the current inflated second-hand price, these are bargains. It sounds without grain, quite neutral (even a little hifi-ish) and has surprisingly enough power to drive the best of the cheap to moderately priced speakers (people have even used it to drive Magneplans, not that I advise that!). The organic whole, the integrity of the sound simply is first-class, and it outperforms in coherence many gears a hundred time its price. It drives the B&W M805 and LS3/5A very very well, and that's no mean achievement. Its MC/MM stage is even better than most "class A or B" components, and it works via the TAPE OUT with just the power cord plugged in (and the power switch NOT turned on; that is, in the long British tradiiton of "standby" mode). Even used just as a phono stage it is a sure bargain, and some say it comes close to a ML phonostage. Click for further Info. Nait Nait I, II, III The III is completely different cosmetically. These are excellent but not as neutral as the Cyrus. The sound is bolder and Naim's famed "Rhythm and Pace" is very much in evidence (more than its modern counterparts), but there are things to watch out for: (1) the vital vocal midrange is a little recessed; (2) Lower midrange to upper bass is a little emphasized; (3) Treble is just that little bit reticent. Its primary strength is in its portrayal of the leading edge, an area I have not heard its equal. It is best partnered with its own CD players, which shall yield a sound that is uniquely rhythmic and pacey, not neutral but a paradigm in what it excels in. In a complete set, it can lay claim to a unique sound not heard with other brands, and here I tip my hat. An example is my Nait II and CD2 (TDA1541A) combo. With it, the ATTACK of a single plugged string (like guitar), or drumming, are phenomenally live. Even more surprisingly, the "rhythm and pace" benefits tremendously a slow instrument like the organ. With Bach's organ work, you can literally feel the different degree of attack that the organists applied on the keyboard, and it's a revelation. Click for a good read. Note that the phostage are either MM or MC, and they are excellent. NAD (revised Aug 20, 2012)I originally wrote: "...For once I agree with Ken Kessler that the "venerable" 3020 is flaccid-sounding and hopelessly over-rated. I got a 3020i
as a close-out from Ming Fat and till I sold it some years later I
never realized what the hell was it all about!. I much prefer the
current remote-equipped 315BEE, which garnered rave reviews everywhere.
After reading the detailed review by Ken Kessler in Hi-Fi News I bought one, and that's a first for me with this reviewer! Now
it's the 316BEE. I also have a 325BEE in NYC. Buy any of their BEE
series with confidence..." Now, while the BEE's are great buys, I have
to make a revision here: (revised Aug 20, 2012) I finally got to hear the original NAD 3020, which was a revelation (review here). It deserves the term "legendary", and was certainly much better than the underwhelming 3020i I had before. Its all-rounded nature and musicality puts it into the top eschelon of integrated amplifiers.
LFDMy experience with the Zero Mk III was enlightening. The phono section is superb, and driving power is awesome. The internals look very much like the much earlier Mistral, which if available is probably even more of a bargain. Quad Quad 77 was the first and only integrated amp Quad made. It is a much under-rated amp with sound distinct from the old Quads of 303, 405, 306, edging very very close to the sound of the current 99 series, which curiously has no integrated amp (as it has volume built into its CDP). This is a crisper sound than Cyrus/Naim and it can drive even ATC very well. A classic. The only problem is that most of the remotes have broken down, so use the front buttons. At its current price (likely less than a Nait), grab one if you see one. No phonostage. I am keeping mine. Arcam, Meridian, Exposure, Audiolab, AVI, Rega, Creek, Rotel Unless otherwise noted, phono is an option with these, which means the units in HK are largely without. The Arcam 290 (excellent optional phono) was the only Arcam integrated that I liked very much. A little dim, grainy and earthy, but powerful and able to drive the LS3/5A. The Meridian 501 looked great and sounded fine but was seriously underpowered, and that stupid remote! If you can find it, the old 100 series is a lot more fun. Yawn, the famed Exposure XX is very powerful but tonally shut-in and not attractive. Audiolab 8000B (line only) is better than the dull 8000A (MM/MC) and the lean 8000S (line only), but with this brand you have to go to the 8000C(MC,MM)/8000P to get better sound. AVI is an even performer but rare in HK. The old Rega Brio (MM phono) is too light sounding; I reckon you have to go to higher models to get more. But the old look is fabulous, much better than the new ones. I have never owned a Creek but have always liked the sound of the old black boxes with green letters (which have phono); the new aluminum fascia of the Destiny and Evo series look hideous. Rotels are always good value for money, and the old models (MM/MC phono) can be had for very little money, though one may wish to investigate their separates instead (like the 870BX amp I have). Linn Classik (old version)This is a very good complete system. The integrated is fine, the tuner is outrageously excellent and the CD player is competent (but a far cry from their excellent CDPs. I am not familiar with the newer version. The integrated amp part is good but not as good as the older Majik. SOLID STATE (non-UK):The problem with many non-UK integrateds is that they are just too bulky or expensive for me. Why not go separates for the size! So my experience is limited, but there are some gems.
Revox/StuderImpeccably built and neutral sounding, a good one will shame most modern "high-end" solid state gears! I was very surprised by the performance of BOTH the preamp and the amp sections of my B-750 MkII. The former is as good as a solid state preamp can get, and the latter has enough real world power to drive my ATC20 to very satisfying level! If you can handle the bulk, try one!
Copland Ever since I saw and heard the CSA-14 driving LS3/5A at Golden String I wanted one. This is a bulky but very well built 120 wpc integrated amp with 2x 6DJ8 in the input stage, and therefore it has a warm sound and fluidity. In contrast to the next incarnation CSA-28, which is almost exactly the same inside and out, this model even has an ss MM phonostage!!! That makes it a ridiculous bargain at current second-hand price, which is not much more than a Nait! Copland also makes good tube amplifiers (superior output transformers).
Pathos I have never owned any Pathos, but my good friends did. It was many years ago that I encountered the fascinating, mammoth and now classic Twin Towers, which established Pathos' name. However, although the sound was excellent, its driving power left something to be desired with speakers like Sonus Faber Electa Amator or even LS3/5A. It was not until another friend used the smaller but more powerful Classic One (pictured) with his B&W Nautilus 804 that I took note of the very fine all rounded performance. Yes, the preamp tubes helped greatly in delivering the mellifluous sound!
Densen The Beat B-100 is a fabulous chunk of aluminum. I think it really is just an amp with a volume pot, but it is highly resolving, surprisingly dynamic and rhythmically enticing. This brand never caught on in HK. I sold it because it's just too chunky but sometimes I regret it. If this were available in a UK shoebox I'd get one...
Accuphase Big but excellent products. Mine was an E-204 I think. It ran pretty hot but gave excellent sound with hard-to-drive speakers like ATC20. The MC/MM phono is also exceptional. Mine was black, and I was told that meant hong goods for the old models. I miss mine.
McIntosh More than an integrated amp, this is a receiver. Now, this is a curiosity. The integrated amp portion is solid state, and an excellent one at that, more powerful than the UK stuff, and it looks fabulous too. What makes it unique is the tuner, a fully tubed section!!! IMHO, the tuner section rivals that of the finest McIntosh tuners! And so it is a great bargain. My review has more details. If interested in its siblings and other priceless gears from this company, click here for a great site.
Marantz Early USA Marantz are excellent, and surprisingly powerful too. In an era where horrid sounding ss amps were being made, it was a comfort to many. I picked up the 1040 for US$10 by the sidewalk, though I spent $70 fixing it up later! It's worth it, as it can even drive my Magnepan MMG to excellent level. I am using this in my bedroom in the USA. Visit this excellent Marantz site.
There is too much to cover, but so much for now. Note that I do not really include true tube integrated amps (not amp with volume knob) for the reason that they are cumbersome and the vintage ones are difficult to service.
Perhaps I shall add to this article in the future---to be continued.
The Meridian F80 is a "table top" radio that does a lot more than that. As I think it's eminently suitable for an old couple I know, a friend and I went investigating after Saturday yum cha.
The EXCEL Central showroom was rather dour looking, but the young salesman was polite enough to turn on the thing for us. Placed on a shelf, the sound was surprisingly good, but a little bass heavy initially. We soon found out there is ample DSP sound-contouring provision. Facing the thing directly, one does get some sense of the recording venue, enveloping space and a some imaging.
Moving to the sides dimmed the sound a little, but the salesman then said the "soundstage" can be widened! A minor adjustment and voila! Sound became more laterally dispersed and the feeling of treble roll-off vanished.
The thing can be played reasonably loud. Beethoven's 9th did well without signs of stress from the speakers. The narrow slot at the bottom just swallows your CD and it plays automatically.
The radio fared even better. With just a small antenna reception was more than strong, and the sound from RTHK4 was even better than the CD playback. Mind you, this tuner is DAB ready!
A remote is a convenience, and an optional iPod dock can be purchased. It plays DVDs too, and there is a video out.
Its footprint is smaller than a Linn Classik + speakers combo, and it offers a upscale challenge to Tivoli.
Not a bad toy at all and enough for a lot of people. My friend said, "better violin sound than the setups of many audiophiles. They should listen to this for a reference..."
From now on, classical recommendations will be delivered in an article. For the latest one, click on Bruckner. For the two before, click on Bach and Brahms below. For even older articles, roll down and click on the Label "Classical Music - Streaming" or "Classical Music - Basic Repertoire". For older CD and SACD recommendations, there is also a separate label "Classical Music - CD and SACD"
For the one before, click on Bach
Going back one more, click on Brahms
This Round's Classical Pick
One of the best Mahler 9 in terms of color and sonority
Historical Choice: Budapest String Quartet
Bridge has several volumes of their recitals at the Library of Congress. The Beethoven boxes are immortal, never surpassed. Very reasonable sound.
Dido and Aeneas by Les Arts Florissants under Christie
My Classical Music Blog
I keep a small Classical Music Blog, to record my impressions of the (few) live music events I have attended. Occasionally, if I find time to attend other arts events, they are duly recorded too.
Reviews of CDs, LPs and DVDs I listen to appear in this Audio Blog, however.
HiFi For Sale (Hong Kong only)
Temporarily unavailable
For Questions and Comments
For Comments Comments are welcome any time. After moderation, they shall be published.
For Questions As a rule, don't forget to tell me what you use, and what do you think of the sound, and reservations if any!
A. Questions related to an article/review
(1) Click on Comment (under each article) and post your comment or question; (2) After moderation, the comment/question is published and answered under the article. Hopefully, my response shall be prompt, but give it a few days. (3) Don't forget to tell me what you use, and what do you think of the sound, and reservations if any! My answers may not mean much if I don't know what you're using and how you feel.
B. Questions NOT related to an article/review
If your question has nothing to do with any of the articles, just pick any article, no matter how irrelevant, and post your question. I will get it anyway, but I won't post it as a comment. Instead, if I can answer the question, I'll post both the question and answer in the Reply Section below, in Letters to the Editor-Reply. Again, don't forget to tell me what you use, and what do you think of the sound, and reservations if any! But not all questions get this treatment. Some are just too general to be answered.
C. Email (if necessary) If your suggestion or comment is more of a private nature, you can email me at:
cheaptube@hotmail.com
Unless the subject is very close to my heart, I tend to be quite tardy in replying to individuals, and replying by email can be cumbersome. So, only if absolutely necessary.
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HiFi CD/LP 天碟一只
This very early Reference Recording LP commands a good price. The CD was not issued by RR, but rko, and I think has been discontinued. The music is strange , best known in HK for 大鼓跌落地.
There are now 3 main Stations in my listening room. Any can drive the same amp and loudspeakers. They undergo frequent changes (in particular the analog playback setups). I use long interconnects between the preamps and amps to facilitate this matching.(Last revised Sept 15, 2019)
Reference System I (Station I)
This one is in front of my chair. I can reach and touch the controls of the preamp.
Alternate Amplifiers: -Sunfire 300 and other amplifiers are used depending on speakers used. -WE 124 (this amplifier is only exclusively used in this system in partnership with the WE106 preamp, an invincible match, but they are rarely used)
Main Loudspeakers: -YL Acoustics 4-way Horn Speakers (used with SET amps) Alternate Loudspeakers (rarely used): -Magnepan MG 1.7 (used with Sunfire 300 amp) -Sonus Faber Electa Amator II -Martin LoganSource (used with Sunfire 300 amp or Elekit 2300B)
---------------
Reference System II: This station is at the other end, housed on 2 racks, and drives the same amplifier. It is quite different in sound from System I. This station can be fully balanced (but not usually). Turntables: 1-Linn LP-12 Lingo/Ittok LV-II/Airtight PC-1
2-ThorensTD-309/Koetsu Black Goldline
3-Technics SL-1200Mk2/Denon DL-102 (mono)
Main Full Function Preamplifier:
-Shindo Monbrison (built-in twin MM and MC input)
(Occasionally vintage preamps: -Dynaco PAS 3 (MM Input); -Harman Kardon Citation I (MM Input); -Brook 7)
Phono preamps and Step-Up's:
-Aurorasound Vida (separate MM and MC inputs) for the Linn LP12 and Technics SL-1200
This is now for reference and archival purposes only. Some of my older articles refer to this. A lot of the gears have been sold or consigned to friends.
While I was in HK, I had 2 locations. The "older location" was where my reference was. The "newer location" was where I spent most of my time from late 2012 to late 2018 (Last revised Nov 15, 2019).
Old Location
Station I:
Loudspeakers: --B&W Matrix 801 Mk II --Audio Physic Step --Ruark Crusader II
Analogue Sources: --Goldring/Lenco GL-75/SME 3009S2i/Denon DL-103R --Kuzma Stabi-Stogi-Ortofon Kontrapunkt C
Digital Sources (RCA/Single Ended): --Sony CDP-553ESD as Transport --YBA WD-202 DAC
Full-Function Preamplifier (RCA/Single Ended): --Wavac PR-X2 --Leben RS28CX Phonoamp and Step-Up: --Kondo KSL-SFz and M7 phono --Denon AU300-LC, AU250, AU320 --Lehmann Black Cube --Audionix ADN-III --Ortofon MCA-76, T-10
--------------------------------------------------------------- Newer Location System A: CD Transport: Sony BDP-S190 Blue ray player DAC: Sparkler S306 CDP: MicromegaCD-10 Integrated Amps: NAD 3020A, NaimNait I and III Preamp: EAR912 Amps: WE 124B and 133 Speakers: Yamaha NS-1000
System B The alternate system: Main Digital System: 47 Labs Shigaraki 4716/4715 Transport/DAC Preamp: Audio Note/Kondo M7 (Integrated) Amp: KondoOngaku Speakers:47 Labs 4737, TAD TSM-2201, Pioneer S-A4SPT-PM and VP, Rogers LS3/5A (15 ohm, single wire)
Subwoofer: JBL
System C Quick listen: CDP/Transport: Sony DVP-PR50P Integrated Amp:Flying Mole CA-S10 Speakers:47 Labs 4737
I have been participating on the internet in various hifi sites for almost 20 years. Looking at things now makes one really weary of the word "progress".
In many ways I miss the earlier USENET newsgroups the most. Posting is super fast and the lack of picture hosting is a real blessing in many ways. Things were simpler then.
Then I created my own Yahoo Group (see link), but I really find the format cumbersome, and now only maintain the site for archival purposes. Who knows, one day I may re-vamp the thing, but too little time....
A few years ago, before the establishment of this blog, I had been active in review33, a site that still a useful second-hand forum (link below). Unfortunately, HK is small and people actually get to meet, which is NOT an advantage for an internet forum. The traffic evolved into 同仁活動, Chinese for insiders' game. There were few honest opinions, and feuds and flames developed over the littlest things. Then there were splinter groups, IMITATORS that are of even more of a 同仁活動 insider nature. That diluted everything and what got lost is HiFi. It would be fair to say most of the forums in HK now contain more junk than value.
Since then I have concentrated on my Blog. It is nice to be able to archive everything well and not let things get covered by waves of garbage. Writing articles take lot more than than posting in forums. Many have long periods of gestation and repeated revisions and editing. I hope you enjoy them.