Lamm Industries

Letters

Which DAC -- Benchmark or PS Audio?

March 14, 2010

Marc,

Have you reviewed the Benchmark DAC1 USB or PS Audio Digital Link III? I'm deciding which one to go with. Any thoughts would be helpful. I should mention that it's not for computer audio -- just straight digital-to-analog conversion.

Sheldon Simon

I have no experience with either DAC you mention, so I can't help you there. However, let me plug an older DAC that I do own and admire greatly: the Timbre TT-1, which sounds amazingly analoglike and, I'm sure, will compete with many new DACs, even though it's more than a decade old. Because so many people need USB input for use with a computer, DACs like the TT-1 have lost a great deal of their value. It cost $4000 new, but I bought one for $700 used. I owned a TT-1 when it was new, and I was shocked, after all these years, by how good the used unit sounded, competing favorably with current digital sources that cost what its list price was. This DAC isn't easy to find, which means that if you buy one, you shouldn't have a hard time reselling it if you don't like it. -Marc Mickelson

No.15 "That good?"

March 12, 2010

Marc,

I read your article on Audio Intelligent Vinyl Solutions Formula No.15. That good? Reason I ask is that I am considering switching from my (old) Record Research Labs and (new) VPI fluids in my VPI 16.5 cleaning machine. The AIVS products have garnered very good comments all around, but your article strikes a chord with me, as I like the ease of a two-step versus a three- or a four-step process, as in the case of Walker products.

I tracked down a Canadian distributor, and I am thinking of picking up a few 32oz bottles of this. But wanted to see if you had any additional thoughts on it.

Al Monroe

Like you, I am put off by three- and four-step cleaning regimens because of the time they take, although I do admit that they are effective. I am on my second 32oz bottle of Audio Intelligent Vinyl Solutions Formula No.15, and it continues to impress me. I use the fluid as a general cleaner for new LPs and ones in good shape and for deep-cleaning especially dirty ones. Along with a water rinse, it handles both roles as well as any combination of cleaning fluids I've used. AIVS also has a one-step fluid, Formula No.6, and it may work just as well as No.15 for new LPs. However, for now and the foreseeable future, two steps seem ideal to get LPs really clean, and I'll continue using No.15. -Marc Mickelson

Inline attenuators for output reduction?

March 8, 2010

Marc,

I would like some input on the pros and cons of inline attenuators (from Rothwell). My new CD player, a Meridian G08.2, is overloading my preamp, a McIntosh C32. From what I see on the Internet, this is not uncommon when new CD players are interfaced with older solid-state electronics. My previous CD player (a Meridian 207) had the option of variable output, which the G08.2 omits. Your thoughts or additional questions would be appreciated.

Bill Thomas

I have experience with adjustable EVS inline attenuators, which I used directly into amplifiers for volume control. Sonically, they were as transparent as the very best preamp, although a bit awkward to use, because I had them connected to mono amps that were placed far apart, which meant walking up to each amp simply to change volume. You would be using the Rothwell attenuators for a different duty: reducing the output of your CD player (2.3V, which is a little above average) so the volume control of your preamp has greater range, and the lowest setting isn't too loud for normal listening. The Rothwell attenuators are constructed like the EVS -- resistors are put in the signal path to reduce the output of what's immediately upstream. Theoretically and practically, this is the best way to effect this, short of having a switch on your CD player to do it. The 10dB reduction of the Rothwell attenuators is quite substantial and should have the desired effect. However, I would also experiment with them between your preamp and amp, as your preamp might have substantial gain, and the attenuators may work better in sonic terms there, because you'll gain 10dB in signal-to-noise ratio. -Marc Mickelson

Sasha W/P vs. MAXX 2

March 1, 2010

Marc,

I'm an owner of Wilson MAXX 2s -- speakers you owned yourself before the MAXX 3s. For a few years now, I've been enjoying them tremendously, and while the industry keeps manufacturing new sets of speakers, declaring them "the best of the best" with stratospheric prices, I do believe that the MAXX 2's capabilities stand high against them and make me wonder what there is to justify the new kings' asking prices. The MAXX 2s may not deserve the title "the worlds best," but I do believe their ability to reproduce music that is sometimes very close to live music still makes them contenders among the very best. While audiophiles tend to consider a new set of speakers as better than their predecessor, you often find that the case is mere "different," not necessarily "better."

I read all of your reviews of Wilson Audio speakers, including the one of Alexandria X-2 Series 2, where you wrote that the MAXX 2, if manufactured by others, may viably be declared as competition for the Alexandria X-2 Series 2. That being said, I do admit my own weakness (as a former owner of WATT/Puppy 6es and 7s -- often not being persuaded by their reproduction of music), and I wonder how you find the new-generation Sasha W/P versus the MAXX 2. I have not had the chance to hear the Sashas yet, so I'm curious. Are they a step toward the MAXX 2, or is it time for me to open my wallet again? [sigh]

Mike Cohen

A pair of Sasha W/Ps were set up in my listening room two weeks ago, and I've been listening to them since. I will be writing at some length about the speakers, but I can certainly tell you a few things about them now.

It has been a long time since I heard the MAXX 2 in my room, but I am very familiar with the significantly updated MAXX 3. The latest MAXX is really the one to which the Sasha W/P most easily compares. Like the MAXX 3, the Sasha W/P is astoundingly coherent, with no frequency range, or driver, clumsily indicating that it is a multi-way speaker. Along with this, it offers great dynamic coherence -- the ability to scale up and down in volume smoothly and realistically. It displays much of the MAXX 3's midrange texture and buoyancy, and it throws a very wide, surprisingly tall, and especially deep soundstage. Wilson calls it "intimate," meaning that it sounds close-up and vivid. This is not a frequency-response characteristic but a spatial one. The performers may be closer, but the ultimate depth of each recording remains intact -- and, along with the intimacy, can make for thrilling listening.

I think in some important ways -- including throughout the midrange -- the Sasha W/P is an improvement over the MAXX 2, a judgment I make, once again, from memory. I am sure you would still achieve greater large-scale dynamic abilities and deeper bass from the MAXX 2, and that speaker is also exceedingly coherent. If you want the best of both worlds, the MAXX 3 is the way to go. Short of that, and taking price into consideration, the Sasha W/P is special -- an expensive speaker that also represents terrific value. Replacing a renowned product with one that's markedly better and costs less is one of David Wilson's greatest achievements -- in a career that's abundant with them. -Marc Mickelson

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