Dali Alteco C‑1 On‑Wall Speaker (Pair)
SKU: 14632887403

Dali Alteco C‑1 On‑Wall Speaker (Pair)

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Description

Dali Alteco C‑1 On‑Wall Speaker (Pair)DALI Alteco C 1 On Wall Speakers at Vinyl Sound Toronto Canada The Alteco C 1 is a true multipurpose loudspeaker from DALI (Hobro, Denmark), available as a pair at Vinyl Sound in Toronto, Canada. Its angled cabinet and unique dual sound mode make it the only DALI speaker designed to function as an up firing Dolby Atmos, DTS X, and Auro 3D height speaker, a high on wall speaker with downward angled sound dispersion, and a discreet on wall stereo

DALI Alteco C-1 On-Wall Speakers at Vinyl Sound Toronto Canada

The Alteco C-1 is a true multipurpose loudspeaker from DALI (Hobro, Denmark), available as a pair at Vinyl Sound in Toronto, Canada. Its angled cabinet and unique dual sound mode make it the only DALI speaker designed to function as an up-firing Dolby Atmos, DTS-X, and Auro-3D height speaker, a high on-wall speaker with downward-angled sound dispersion, and a discreet on-wall stereo speaker, all within a single compact enclosure. At the heart of the design is a 4.5-inch low-loss wood fibre woofer and a 21 mm ultra-lightweight soft dome tweeter, covering 74 Hz to 26,000 Hz at 83 dB sensitivity. A front-panel switch selects between UP mode for ceiling-reflected height information or broader dispersion, and DOWN mode which angles the output 25 degrees downward for close-position listening or high-on-wall installation. The Alteco C-1 uses a sealed enclosure for precise transient control, spring-loaded cable connections for installation convenience, and a crossover designed specifically for stereo performance alongside its height channel duties. Sold as a pair.

Three Installation Modes in One Compact Speaker

The Alteco C-1's angled cabinet geometry and dual sound mode switch give it a flexibility that no other speaker in DALI's range offers. In its primary up-firing configuration, the speaker is placed on top of existing front or rear floorstanding or bookshelf speakers, angled upward toward the ceiling. Combined with a compatible Dolby Atmos, DTS-X, or Auro-3D AV receiver, the Alteco C-1 delivers ceiling-reflected height information that the AV processor renders as overhead sound, adding the vertical dimension that three-dimensional object-based audio requires. Switching to DOWN mode redirects the output downward by 25 degrees, converting the Alteco C-1 into a high-on-wall speaker that fires directly toward the listening position from an elevated wall-mounted position, or into a close-position desktop speaker where sound can be angled precisely at the listener. A third configuration mounts the Alteco C-1 on the wall in a standard vertical or horizontal position as a compact stereo or surround speaker, where the angular cabinet shape and driver alignment serve a more conventional role. No other combination of placement options is available from a speaker of this size in this price category.

4.5-inch Wood Fibre Woofer: DALI Trademark Driver Design

The Alteco C-1's 4.5-inch woofer is built around DALI's signature paper and wood fibre cone construction. Fine-grain paper is combined with wood fibre pulp to create a cone membrane that is extremely rigid and lightweight, with an inherently uneven surface structure that distributes resonance energy broadly across the cone rather than allowing it to concentrate at discrete frequencies. This minimises unwanted surface resonances and produces a cleaner, more detailed midrange and bass character. A low-loss rubber surround and spider suspension allow the cone to move freely for accurate tracking of musical transients, recovering even the smallest microdetail in the audio signal without the mechanical losses that heavier or higher-friction surrounds impose. The crossover is designed with a focus on stereo performance as well as height channel duties, ensuring the Alteco C-1 performs genuinely as a music speaker rather than merely as a home cinema height effect unit.

21 mm Ultra-Lightweight Soft Dome Tweeter

The Alteco C-1's 21 mm soft dome tweeter uses an ultra-lightweight woven fabric diaphragm that weighs less than half the mass of most competing soft dome tweeters at 0.056 mg per mm². This low mass, combined with a high-performance magnet motor system, gives the tweeter exceptional resolution, an extended frequency response, wide horizontal dispersion, and very low coloration. The tweeter design is a direct heritage from DALI's high-end speaker series, bringing the same acoustic philosophy of low loss and high accuracy to the Alteco C-1's compact format. The 2,100 Hz crossover point allows a generous overlap with the woofer, producing a seamless transition between driver sections with no frequency gap or coloration at the handover point.

Sealed Enclosure for Precise Bass Control

The Alteco C-1 uses a sealed enclosure design rather than a ported or bass reflex cabinet. Sealed enclosures provide tighter, better-controlled bass transients than ported designs because there is no port resonance to add low-frequency output that does not directly track the driver's cone movement. For a height channel speaker, where the audio content is primarily diffuse room effects, ambience, and overhead spatial information rather than deep sustained bass, the sealed design's precise transient control and clean rolloff behaviour are a better acoustic match than a port-tuned bass extension. For close-position listening and high-on-wall stereo use, the sealed cabinet's controlled bass character ensures the Alteco C-1 remains clean and natural even at higher playback levels.

Key Features

  • Dual Sound Mode Switch: Front-panel toggle between UP mode for ceiling-reflected up-firing height channel use or wider dispersion, and DOWN mode which angles output 25 degrees downward for high on-wall or close-position listening.
  • Up-Firing for Dolby Atmos, DTS-X, and Auro-3D: Angled cabinet design and UP mode enable ceiling-reflected height information when placed on top of front or rear speakers with a compatible AV receiver.
  • 4.5-inch Wood Fibre Cone Woofer: DALI signature paper and wood fibre cone with uneven surface structure for minimised surface resonance. Low-loss rubber surround and spider for precise, low-loss cone control and micro-detail recovery.
  • 21 mm Ultra-Lightweight Soft Dome Tweeter: Woven fabric diaphragm at 0.056 mg per mm², high-performance magnet motor for low coloration, wide dispersion, and extended frequency response. Heritage from DALI's high-end speaker series.
  • Sealed Enclosure: Provides tight, precise bass transient control and a clean rolloff character suited to height channel and close-position listening applications.
  • Spring-Loaded Cable Connections: Single-wire spring-loaded pushbutton terminals for quick, convenient cable connection in any installation orientation.
  • Stereo Crossover Design: Crossover engineered for genuine stereo music performance, not only for home cinema height channel duties.
  • Multiple Mounting Positions: On top of front or rear speakers (up-firing), high on wall in vertical or horizontal orientation (with DOWN mode), or standard on-wall stereo speaker position.
  • Flexible Wall-to-Speaker Distance: Recommended rear panel distance of 1 to 50 cm provides broad installation flexibility across different room layouts.
  • Sold as a Pair: Both speakers supplied for matched stereo or symmetrical height channel installation.

Technical Specifications

Frequency Range (+/- 3 dB) 74 Hz - 26,000 Hz
Sensitivity (2.83V / 1m) 83 dB
Nominal Impedance 6 Ohms
Maximum SPL 103 dB
Recommended Amplifier Power 40 - 100 W
Crossover Frequency 2,100 Hz
Crossover Principle 2-way
High Frequency Driver 1 x 21 mm Soft Dome
Low Frequency/Midrange Driver 1 x 4.5" Wood Fibre Cone
Enclosure Type Sealed / Closed
Connection Input Single Wire / Spring-Loaded Pushbutton
Recommended Placement On Speaker (up-firing) / On-Wall
Recommended Distance from Rear Wall 1 - 50 cm
Dimensions (H x W x D) 7.5" x 6.3" x 10.0" (190 mm x 160 mm x 255 mm)
Weight (Each) 6.2 lbs (2.8 kg)
Sold As Pair
Country of Design Denmark

Frequently Asked Questions

What is the DALI Alteco C-1?

The DALI Alteco C-1 is a multipurpose on-wall and up-firing speaker from DALI, a Danish loudspeaker manufacturer based in Hobro, Denmark. It features a 4.5-inch wood fibre woofer and a 21 mm ultra-lightweight soft dome tweeter in a sealed enclosure with an angled cabinet and a dual sound mode switch. It covers 74 Hz to 26,000 Hz at 83 dB sensitivity, handles 40 to 100 watts, and has a 6-ohm nominal impedance. Sold as a pair, it functions as an up-firing height speaker for Dolby Atmos, DTS-X, and Auro-3D, a high on-wall speaker with downward-angled dispersion, or a compact stereo on-wall speaker.

How does the dual sound mode switch work on the DALI Alteco C-1?

The Alteco C-1's front-panel switch selects between two dispersion modes. UP mode directs the driver output upward and forward with a broad, diffuse dispersion pattern suited to ceiling-reflected up-firing height channel use or wide-area stereo on-wall coverage. DOWN mode redirects the driver output approximately 25 degrees downward from the cabinet's face, which is useful when the speaker is mounted high on a wall and needs to fire toward a seated listener below, or when used in a close-position desktop configuration where downward sound projection improves the listening angle. The switch allows the same physical speaker to serve fundamentally different acoustic roles without any mechanical adjustment to the cabinet position or driver orientation.

Can the DALI Alteco C-1 be used as the height speakers in a Dolby Atmos system?

Yes, the DALI Alteco C-1 is specifically designed for up-firing height channel use in Dolby Atmos, DTS-X, and Auro-3D systems. When placed on top of the front speakers in UP mode and connected to an AV receiver capable of rendering height information, the Alteco C-1 fires upward and the ceiling reflects the sound back down toward the listening position, creating the impression of overhead audio objects in compatible movie soundtracks and music. DALI recommends placing the Alteco C-1 on both the front and rear speakers in more advanced configurations, such as a 5.1.4 setup, to create full overhead coverage. The effectiveness of ceiling-reflected height information depends on ceiling height and surface material, with lower, smooth ceilings typically producing more convincing height localisation.

How does the DALI Alteco C-1 compare to the KEF R50 and ELAC Debut A4 as Atmos speakers?

The Alteco C-1 offers a meaningfully different capability set from both the KEF R50 and ELAC Debut A4. Its unique advantage is the dual sound mode switch, which allows it to function as a standard directional on-wall or wall-mounted speaker in DOWN mode in addition to its up-firing role, giving it flexibility that neither the R50 nor the Debut A4 can match. Users whose seating is close to the rear wall, where ceiling-reflected sound from up-firing speakers may not localise convincingly, can instead mount the Alteco C-1 high on the wall in DOWN mode for direct height channel coverage toward the listening position. The KEF R50 is a dedicated up-firing add-on designed to sit atop KEF R series speakers and uses an Uni-Q driver for its ceiling-reflection output. The Alteco C-1 is a more versatile standalone speaker suited to a wider range of room layouts and system configurations.

Where can I buy the DALI Alteco C-1 in Toronto or Canada?

The DALI Alteco C-1 is available as a pair at Vinyl Sound, an authorised DALI dealer in Toronto, Canada. Vinyl Sound carries the full DALI speaker range and can provide advice on Dolby Atmos system configuration, speaker placement for height channels, and amplifier and AV receiver matching. Purchasing from an authorised Canadian dealer ensures full DALI manufacturer warranty coverage and access to experienced local support.

What AV receiver or amplifier works with the DALI Alteco C-1?

The DALI Alteco C-1 requires an amplifier rated between 40 and 100 watts at a 6-ohm nominal impedance. For its primary use as a Dolby Atmos, DTS-X, or Auro-3D height speaker, a compatible AV receiver with object-based audio decoding and height channel amplifier channels is required. Most modern Dolby Atmos-capable AV receivers from brands such as Denon, Marantz, Yamaha, and Arcam include dedicated height channel amplification suitable for the Alteco C-1. Its 83 dB sensitivity is lower than average, meaning it benefits from the upper end of its recommended power range for adequate height channel output levels in larger rooms. AV receivers with per-channel outputs of 80 to 100 watts into 6 ohms are a practical minimum for reliable performance.

Can the DALI Alteco C-1 be used as a standard stereo speaker?

Yes, the DALI Alteco C-1 is designed with a crossover specifically engineered for stereo performance, not only for height channel duties. Mounted on a wall in vertical or horizontal orientation with DOWN mode selected, it serves as a compact stereo speaker for rooms where a conventional standmount or bookshelf speaker would be visually intrusive or impractical. Its 74 Hz to 26,000 Hz frequency range and sealed enclosure produce a balanced, coherent presentation well suited to music listening at moderate volumes in small to medium rooms. For extended bass performance in stereo use, pairing with a DALI subwoofer is recommended.

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SKU: 14632887403

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4.4 ★★★★★
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Havinne Akins
Alexandria, US
★★★★★ 5
😍😍 BEST DEBUT NOVEL EVER
Format: Paperback
I’m having trouble finding accurate words to describe the way this book made me feel, but I am going to do my best. To start off with basic elements, the character and world building are phenomenal. I feel a strong bond to not only the two main characters, Ara and Rogue, but to each and every character introduced throughout the book. The author did a stellar job of giving each of them unique personhood. All of the scenes are beautifully described. So much so that throughout the entirety of the book, I could see every scene: the towns, the castles, the meadows, the landscape. I have had difficulty with this and with distinguishing between outlying characters while reading in the past, but I did not have to think to remember details of world or character building because they flowed naturally within the story and were described well. I have read book series before that made me want to be a part of that world, but I actually felt like I got to step into Auryna and Ravaryn! The plot twists!! Although this is not a suspense novel, it still had me on a rollercoaster of emotions and on the edge of my seat from beginning to end. I haven’t cried actual tears over a book since I was in high school (and I’ve read a LOT). This book finally broke the floodgates in the final few chapters. Multiple times. And we love a good cliffhanger. It truly made me FEEL. THE SPICE is a solid 3.5/5. Some of the scenes had me flushed, some had me taking notes, some just had my jaw slack and my mouth hanging open. Bravo, JD Linton, bravo. The relationships: friendships, family, romantic, ALL of the relationships in this book have so much meaning. The author does a great job at making you feel the love, the anger, the peace, the frustrations, the safety, the familiarity, etc. between the characters. Ara and Rogue. I can not say enough and I also do not want to say too much. Just know that I feel like I know them both, to their core. I know what their childhood looks likes, their darkest moments, their biggest fears, their dreams and passions, what they want in life… The POV switches were seamless. I am so happy this author decided to let us see from both sets of eyes. I can not wait for book two after that cliffhanger. And there is SO much potential for at least one prequel, I can’t wait to see where this author goes! I hope this series continues and flourishes. Fingers crossed!
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Reviewed in the United States on December 5, 2022
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Tracy and Christina
Belleville, US
★★★★★ 5
Amazing!
Format: Kindle, Format: Kindle
This book was phenomenal, I devoured it within a few days! For this being a debut novel, it is fantastic and I would’ve thought the author was a seasoned author. I have zero complaints about this book. Let me start by saying that the world building was phenomenal. I could picture everything in my head because of how detailed it was — that’s how good it was written. And I absolutely love the “captive/captor” trope so much, it’s become one of my favorite tropes, so I was pleasantly surprised to see that this book had that. I loved the banter between Rogue and Ara — they’re both snarky and witty, plus with the romantic tension, it made the dialogue that much better. Speaking of romantic tension, yes there is spice but not so much of it that it overrides the plot, which I loved. For me, this would probably be on the 3/5 level of spice. This book had a ton of plot twists and I thoroughly enjoyed it.
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Reviewed in the United States on November 13, 2024
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R Spires
Natrona Heights, US
★★★★★ 4
High on Tropes and Satisfaction
Format: Kindle
This is a great Romantasy book full of action, adventure, and everything you look for in this genre. I won’t lie: it does kinda feel like the author found every common trope from every successful book of this kind and threw them all into this novel. But if it ain’t broke, don’t fix it. Especially in romance, there’s a large audience who has specific expectations, and they want them every time. Nothing wrong with that and many times I’m one of them. I have no idea what defines a spoiler honestly, so spoiler alert!!!!!!! Tropes include: Only one bed at the inn/bar Dissatisfaction with life before hunk appears Lost royalty The chosen one Montage of dress up time followed by shocked hunk Forbidden romance between two from rival peoples Power that cannot be controlled, simply guided/asked Gathering intel at the inn/bar FMC who knows how to fight/use weapons well There’s probably more but no need to list them all. Good story and I would recommend!
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Reviewed in the United States on June 14, 2024
E
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evelynn kate
Belleville, US
★★★★★ 5
AMAZING debut novel!!!
Format: Kindle
Plot ⭐️⭐️⭐️⭐️ Spice 🌶️🌶️.5 Romance 💘💘💘 Vibes ⭐️⭐️⭐️⭐️⭐️ Dual 1st person POV - Ara (26) & Rogue (39 - but looks mid-20s: they can live hundreds of years so this isn't that large of a gap as it could've been which I heavily appreciate lol) Tropes: enemies to lovers, fae/human wars (deep hatred for each other), shifters (dragons- MMC can only partial shift with wings), one horse, one bed, touch her and d!e, found family, abduction turned to freedom The Last Storm is the debut novel from JD Linton and let me tell you, you guys NEED to read this. The plot was engaging and the editing was was amazing (especially for a debut novel). Our FMC, Ara, is stuck in her gilded cage longing for a life outside of her small town. She uses her books to escape and live vicariously through the pages (honestly, relatable). After her father announces her betrothal to her childhood friend (to whom she has no romantic feelings for), Ara tumbles unknowingly into a desperate plot trying to stop the humans from slaughtering the Fae. As one can expect from an enemies to lovers / kidnapper/captive romance, Ara fights her attraction and lust towards our MMC, Rogue (the King of the Fae), for as long as she can. Upon seeing Ara for the first time, Rogue is instantly aware that she is his fated mate (not a spoiler). Since she is the General's only daughter, he plans to abduct her and use her as leverage to stop the brutality. During Ara's time in Rogue's captivity, their banter and chemistry continue to rise until they finally boil over and come together (quite literally, and many times I may add 😉). Here's what I LOVED: - Rogue continuously seeks advice from his elders and deeply respects their opinions and life experience and tries to implement their recommendations - Rogue makes many mistakes in the beginning but we see him actively work on not repeating them as the book progresses. The level of self-awareness and his ability to change his behavior was impressive - The magic system is intricate and we have only scraped the surface. As the series continues and Ara progresses in her powers, I'm sure we'll get to see more of this. I absolutely LOVE the messaging system that is used in this book. - Ara's struggles are so human and so raw. She is experiencing so much guilt and pain and hurt and getting to see her work through each of these emotions is inspiring. Especially as her and Rogue get closer and she learns she can lean on him as well, that she is not alone. - While this is the start of a series, there is NO cliffhanger! There's a bit of a teaser of something major that is going to happen at the start of the next book, but it's not a cliffhanger in the sense that we aren't sure if someone is going to live or d!e or if they'll be separated. For that, I am very thankful! This book was so much fun that I will definitely be returning to book 2, even if it takes several months (or longer since this is an debut author) to publish! - Lastly, the cover is GORGEOUS! And I love the title! I'll copy a few of my favorite quotes below so you can have a little taste of the author's writing and the world she's cultivated. 😊 Top Highlights from The Last Storm On days like this, when my heart was heavy and my mind clouded, I resorted to books— to escape, to forget, to find freedom where I had none. If I were to marry him, my face would always be turned to the window, searching for more, and if not that, I would be a shell of the person I am now. I stepped back to admire her, thr0bbing at the sight. She was the most beautiful woman I had ever seen. To ever exist. Nothing, no one, had ever deserved to be worshiped more. All men should be made to kneel before her. But she would have to settle for me. The taste of her met my t0ngue as my scent merged with hers, forever branding her. Mine. I l!cked the wound. Hers. Completely and utterly hers. I didn’t claim her in ownership. I claimed her as my one. Devoted myself to one. With that mark, my body and soul were bound to her. I would never be with anyone else, emotionally or physically. It would be her or no one, until my last breath. “Scream my name. Let everyone know who I belong to.” I had never really cared about the weather before, but now, clear skies meant everything to me, and I was grateful to see another calm morning. “There will never be another woman for me.” He paused. “Ever.” I stilled at his words. “What… Why?” “This”— his thumb slid down across the mark—“ is a symbol of… surrender. I know you believe that it was my claim upon you, but it wasn’t. It never was. I bound my body and soul to you, little storm.” “I also know that it is more than this tiny, insignificant mark on your skin that binds me to you. It’s you. All of you. Your strength and resilience. Your determination to endure no matter what fate throws at you. Your love for love and stories and hope. You are entirely the opposite of everything that I am and I would gladly wear your shackles if it meant I could have you.” My mate. Mine. And then everything shifted and I understood. I understood everything. The surrender. The deep, soul-craving longing. Bound. I was bound to him. Body and soul. Entirely his. “I would’ve waited forever,” he whispered back, understanding. Seriously, everyone.. add this to your TBR!!
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Reviewed in the United States on November 14, 2022
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Ashlee
West Palm Beach, US
★★★★★ 4
A Decent Fae Romance
Format: Kindle
** 3.5 Stars rounded up to 4 ** First off I want to say that I found the author, J. D. Linton, on TikTok right before the release of the sequel. I bought the first 2 books to support her release, so congrats to her for the release of the sequel! Overall, I liked the story & plot, I liked the characters, and I liked the spice. The downfalls: not enough development between the characters for the romance, and it leaned a little heavy into the tropes. A lot of stuff is told to you, which could have been used as devices to drive the plot and emotions of the characters. 🛑🛑 Mild Spoilers ahead, I tried to hide the obvious ones 🛑🛑 This is very obviously a fated mates, which is a trope I usually really enjoy. But I wish the relationship between Ara & Rogue had much more development before it's realized that they're mates, instead of Rogue knowing almost immediately and using it for nefarious purposes (at least in the beginning before they get to know each other). By revealing this within the first quarter of the book, I feel like it leaves less room for them to fall for each other organically (albeit with help from the mating bond) and they love each other because of the mating bond. I was disappointed as soon as Rogue know (literally only 5% in) and I literally made a note: "As much as II love a good mating trope, I wish we had to work for it a little more. Where's the fun in just telling us?" I believe that by holding out and feeding the reader snippets of a potential bond, it would've been more rewarding as a reader. I also wish there was more world building - we are told of a war between human & fae but don't get to really experience any of it. Ara is sheltered in her human home, then sheltered in Rogue's castle. There's bits and pieces about what the war has done on either side - but we're more told of the aftermath and don't really experience any of it. Ara's father is supposed to be the king's #1 general - yet he is at home with his family & with Ara for the first couple chapters. Her, her family, nor her village seem to be affected by the 10 year war going on on their borders. I wish there was a little more setup to make this conflict - an actual war - feel more than a skirmish between fighting territories. Linton could also be a little repetitive - with the biggest culprit being when Ara is upset she "brings [her] knees to [her] chest]" and either sits like that or cries. Every time she is upset this phrase is mentioned. I would get it if this was her crutch, or how she copes with grief and stress, but that should be explained why she does it so often or it becomes repetitive. I started to get annoyed with how often she would sit like this solely because it happens every couple chapters. However, I did really like the spice. I love an enemies to lovers trope, especially when it results in spicy scenes. The spicy scenes weren't anything new, but they were fun. Wish there were more but that could also just be me - there is no such thing as too much spice 😂 Would I read again? Probably not, I'm super picky with rereads. Although I did genuinely enjoy my first read through! Will I continue the series? Probably, at least for the sequel. As for #3, kind of depends on where I am with my TBR once that is released All in all an enjoyable, fast paced read
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Reviewed in the United States on March 8, 2024

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