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Martin Logan Aerius i vs. Spica TC-60

I've just bought a used pair of Aerius i's to replace my recently-acquired Spica TC-60s, and I've had 'em for half a day now. It's been a very interesting adjustment. Before I get into the comparison, though, I'll first address a 'goner's concern that the Aeriuses might be too bright with my Adcom amps. They are a bit bright, but this is easily offset with positioning, at least in my room. First, my listening chair is quite low, putting my ears at 36". I figured I was too low, so I tipped the speakers forward a bit by raising the back foot 1/2". Whoa. Too bright. Horns were aggressive. Untipped the speakers and toed them in just a bit more than recommended, and that took care of any residual brightness. I like a solid center more than a wide stage, so toeing suits me.

Now, I've gotta say, as far as imaging goes, my old Spica TC-60s put up a bloody good fight, and are actually better on simple, intimate vocal material. The Spicas elicit a "Wow!" on Boz Scaggs' "But Beautiful" and Lyle Lovett's "I Love Everyone", and the Aeriuses don't. Boz' voice hangs in the air like a levitating brick on the Spicas, like a cloud of smoke on the Aeriuses. On "I Love Everyone", the beautifully recorded drum kit is rock solid on the Spicas, a bit see-through on the Aeriuses.

That said, the Aeriuses do just about everything else as well or better. Detail is finer, bass is deeper and rounder, more life-size, but fairly agile. Tonal balance is otherwise very similar to the Spicas. Both could use another dB or two in the upper midrange. Where the Aeriuses steal the show, though, is on more complex material with a bigger soundstage. On the Manhattan Transfer's "Offbeat of Avenues" and Manu Dibango's "Wakafrica", the layered voices are more distinct and have lots of space around them. Little Feat's live "Waiting for Columbus" is amazingly big, live, reverberant and exciting.

I can't see going back to the Spicas, but I'm loathe to give them up, too. Wish I had two living rooms. The whole exercise has given me a new appreciation of just how astoundingly good the Spicas are at what they do best. The going prices for used ones make them an absolute steal.

Not that I can afford to trade up, but I'm wondering what speakers in the $1k-$2k (used) range might combine the Aerius' huge soundstage and detail with the Spicas' rock-solid center imaging and meaty vocals. Any thoughts? I've auditioned Gallo's Reference 3 and a $3k Audio Physic, and neither did it for me.
jacquescornell
geronimoa6b9
2 posts
 
Jacquescornell, why not try a California audio lab Alpha tube dac in your system? This should bring more out of your Logans. I have this dac with my transport, it sure made a big improvement in overall sound quality. For under $500 you won't regret this. By the way I have the Ascent i.
jacquescornell OP
56 posts
 
Geronimo, thanks, that's an interesting suggestion. I had always assumed that a product like that would be much more costly. My H/K CD changer does have a coax digital out, so adding an outboard DAC is a possibility. I'm kinda tempted, though, by a Rega Planet 2000, as it's only about $100 more than the CAL Alpha, it seems to have a much nicer transport and all-around build quality than my H/K, and the price is only going to get lower now that Rega's new Apollo is replacing it. Still, a tube DAC is an interesting proposition. Thanks for the heads-up.

As for the Aeriuses, now that I've had 'em for a few days, my feeling about them hasn't changed since my last post - they're great, even with my modest electronics. They still don't give me goosebumps on intimate vocals the way the TC-60s do, but they bring much bigger more open imaging to atmospheric material. Little Feat's "Waiting for Columbus" is absolutely thrilling - the sound from the audience is huge and very, very detailed. I feel like I'm standing on stage with the band. On Miles Davis' "Kind of Blue", the horns and drum kit are equally good on both speakers, but the piano is more life-size on the Aeriuses.

In almost every respect, the Aeriuses are exactly what I wanted. The tonal balance is nearly perfect, needing just a tiny tad more brightness on voices. Bass is very satisfying, if not quite as tight and tuneful as on my friend's Brentworth IIIs. I suspect this would be better in a bigger room with more distance to the front and side walls, and in any case, bass is what I care least about. Detail is right up there with my Stax Lambda Pros - I've never heard better from any speaker. Treble is the way I like it - balanced and open, but not exaggerated. I've heard more extended treble, particularly from the Gallo Reference 3, but I found it not bright but just a bit overwhelming. The only improvement I'd care about would be making the image more solid. If I hadn't had the TC-60s but had gone instead directly from my Mission 772s to the Aeriuses, I'd be in audio heaven right now. The TC-60s, though, showed me what a truly solid, reach-out-and-stick-a-fork-in-it image is. With the Aeriuses, the image is equally well-defined and dimensional, maybe more so, but somewhat insubstantial. I feel like I can see the musicians and instruments, but that if I reached out to touch them, my hand would pass through. I think this is just a product of the dipolar design. The late arrival of the reflected soundwave creates a feeling of space and depth, but also gives the image that ethereal quality.

The Aeriuses are easier to enjoy, though. The TC-60s demand that I really concentrate to appreciate them. The Aeriuses don't care whether I'm paying attention or not. They're just happy to put on a show. And, what a show it is.
jdolgin
82 posts
 
Jacquescornell:
Many Logan dealers use a small amount of absorption on the wall behind the Aerius to partially ameliorate the amplitude of the reflection off the back wall.
I used a wool oriental rug on the wall centered between the speakers. As an experiment you can just use a thin blanket held up by thumb tacks. See if you like the result.
If you do, you can seek out something more visually acceptable.
Have fun. The Aerius will respond to each improvement in your room and system.
Jim
geronimo
24 posts
 
I seriously think the Cal Alpha & HK combo will sound better than the Rega Planet 2000 in my opinion. Later on you can always get a better transport. Here is a link to some reviews of the Cal.
http://www.audioreview.com/cat/digital-sources/dacs/california-audio-labs/PRD_116822_2738crx.aspx
jacquescornell OP
56 posts
 
Jdolgin-
That's a good idea. There is a big window in the wall behind the Aeriuses. Perhaps I should replace the Venetian blinds with curtains. Might look a little better, too. Fortunately, my room is long enough to put the back wall a good six feet behind the listening position, and that wall is entirely covered with bookshelves. So, rear wall reflections are not an issue.

Geronimo-
Thanks for the review link. I'll check it out.
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