I associate Sonus faber with luxurious floorstanders in windswept shapes with finely grained and glossy wood finishes. Even the lowercase “f” in faber somehow makes them sound fancier. So when I was told that Sf had a new “entry-level” bookshelf for review, I wasn’t sure what to expect. The Lumina ($899) took me off guard and flipped a lot of my preconceived notions about what a bookshelf speaker in this price range sounds, looks, and feels like. In many ways, this review is about expectations: how marketing sets them, how product categories reinforce them, and how some products occasionally redefine them.
The Lumina is a vented-box, two-way bookshelf speaker that measures a miniscule 5.8″ x 11″ x 8.4″ and weighs less than 10 pounds. I don’t normally lead with a product’s measurements, but these things are really small—borderline desktop size. They’re much slimmer than the Wharfedale bookshelves I compared them with, and are the smallest non-desktop speakers I’ve had in my listening space to date. It is only natural for people to wonder whether a set of speakers so tiny can play loud enough to fill a large room and dig down deep enough to create a sense of appreciable bass. While I don’t want to spoil the review, I’ll go ahead and spoil it anyway: Yes and yes, they most certainly do.
The tweeter is Sonux faber’s 29mm Damped Apex Dome featured in the Sonetto series, and the mid/woofer is a 120mm custom-designed driver with a diaphragm made from a blend of cellulose pulp and other natural fibers. The speaker’s nominal impedance is 4 ohms, and its sensitivity is 84dB, which means the Lumina is going to be a bit harder to drive. From my own experience, I would stick with Sf’s suggested power guideline of 30–100Wpc, though I’d aim for the upper end of that range.
My review pair came in a wenge wood finish, but the Luminas are also available in piano black and walnut. The wenge versions include sleek silver accents around the tweeters and mid/woofers, which lend the Luminas an exquisite sense of gravitas that is strange considering their size. Best of all, the main body is wrapped in a soft, dark leather that feels great to touch and looks fantastic. Overall, I’d say these speakers are high among the most visually appealing pieces of gear I’ve ever had in my listening room. I would have gladly placed them in my living room if I didn’t have a toddler who would immediately destroy them.
Of course, speakers are only as good as they sound, and physical attributes don’t always reveal a product’s inner worth. I know you’re not supposed to judge a book by its cover, even though everyone’s always judging based on covers, but in this instance, I’d say the form factor of the Lumina does suggest something about the way it’s going to sound, just not in the way you might expect.
First up on my turntable was a new record from Nat Birchall, a UK multi-instrumentalist and jazz musician. His spiritual, Sun Ra-inspired Mysticism of Sound felt a lot like a pandemic album: self-produced with Birchall playing every instrument. Which is actually a great thing, because Mysticism of Sound reveals a wide and arcing breadth of music. While Birchall’s playing is melodic and multifarious, I couldn’t help but notice the low end first and foremost. Bookshelf speakers don’t typically create powerful bass, and while that was certainly true to some extent in this case, I was still absolutely astounded by the big sounds coming from the Luminas. Considering their tiny dimensions, they shouldn’t have given me a very palpable sense of the low end, and yet never once did I feel the need to turn them up to compensate for their size.
The track “Inner Pathway” is a meandering musical journey with a simple cymbal tap keeping precise time, while Birchall’s sax plays atop a mix of bass and synth. Sax mids were liquid smooth, and the nice sax tone shined through. The synth and bass combination made for a big, deep sonic landscape, and I was impressed with the Luminas’ ability to reproduce a clear and crisp midrange, while still digging deep for the rhythmic bass. It was a comforting and intriguing sound, not at all what I expected from these tiny boxes.
I switched over to the Speaker’s Corner reissue of the 1956 album The Jazz Messengers. Art Blakey plays the only way he knows how: big, bold, and in control. The Luminas kept his fast-paced snare rolls on “Infra-Rae” in tight focus, while his call-and-response solo toward the end of the track was booming and had just enough depth for the kicks to resonate. There’s nothing like a Blakey fill smashing me in the teeth; I always ask for more when he’s through. I want and need a pair of speakers to recreate Blakey’s impact in an almost painful way, and while I can’t say I was left with a gaping chest wound from the Luminas’ low end, I was very impressed by the overall sound. For me, that tactile response, where the bass isn’t just heard but also felt, is the hallmark of perfect bottom octaves. The Luminas simply can’t push enough air to make a kick drum feel like a kick drum. But they certainly do sound like a kick drum, which is a feat in itself.
The live album East/West by Ill Considered features meandering and repetitive, looping, free-jazz freak-outs. The energy of this live show remained solidly grounded through the Luminas, and the mingling of the dual saxophones with Emre Ramazanoglu’s drums and Leon Brichard’s bass created a blanket of twisting sounds. The saxophones were front and center, and the Luminas, once again, built a nice, deep soundstage while reproducing just enough ambient crowd noise to make the space feel like it was alive. Finesse and speed are particularly important when it comes to a live album like East/West, and the Luminas remained on beat and engaging. Drums had enough heft and cymbals had enough sparkle, and the distorted bass rumbled just right below it all. During my listen to these sparkling LPs, I was never tempted to swap in my bigger main speakers for more powerful impact, which I think says a lot for the Luminas.
Speaking of sheer size and scope, I recently received VMP’s reissue of one of my all-time Top Five albums, Spiritualized’s Ladies and Gentlemen We Are Floating in Space. It’s an emotional, maximalist slog through a breakup, and a great way to test speakers. It’s the sort of album where more is never enough, and the end result is an enormous, gorgeous sonic landscape. The third track “I Think I’m In Love” starts out with spacey synth over a simple intermittent bass line. Through less than ideal speakers, it can sound a little hollow and the soundstage doesn’t feel deep enough. But the Lumina did it justice, especially as the song progressed and more and more instruments, noises, and voices were added to the mix.
Finally, I turned to my latest obsession: The Tone Poets series from Blue Note Records. Herbie Hancock’s My Point of View was his second release as a leader and features a fantastic septet. Anthony Williams’s drumming was tight and on point. His cymbals shimmered with just enough sparkle, and his frequent, interesting flourishes and fills sound tight and solid. Tone Poet records are some of the best sounding in my collection and a great test of any system. The Luminas had superior soundstage separation and depth, with Hancock’s piano dead center and the drums shoved off in the right channel. The opening track on Side B, “King Cobra,” begins with a trumpet solo from Donald Byrd, which sounded smooth and tight, never venturing into the harsh and grating, despite getting fairly loud.
I’ll admit to having some preconceived ideas about how smallish bookshelf speakers were going to sound. Just because of their size, I assumed they wouldn’t have deep bass heft, and they probably wouldn’t have the tightest sense of rhythm and dynamics. However, the Luminas proved me very, very wrong. No, they aren’t going to give you heart palpitations with their sub-bass rumbles. (Again, physics is a thing.) But the Luminas certainly changed my mind about how small bookshelf speakers are supposed to sound—or can sound. As far as I’m concerned, these are the new sub-$1k bookshelf speakers to beat. Just keep in mind those power amp requirements. Highly recommended to anyone looking for fantastic sound and beautiful style in a surprisingly compact package.
Specs & Pricing
Driver complement: 29mm Damped Apex Dome tweeter, 120mm paper-cone mid/woofer
Frequency response: 65Hz–24kHz
Impedance: 4 ohms
Sensitivity: 84dB SPL (2.83V/1m)
Finish: Wenge, black, walnut
Dimensions: 5.8″ x 11″ x 8.4″
Weight: 9.7 lbs. each
SONUS FABER S.P.A.
36057 Arcugnano (VI)
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