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\nL-Acoustics originally announced its L Series line array systems in April 2023<\/a>, at the Hollywood Bowl, paving the way to a completely new approach to large power, large-scale concert systems using patented Progressive Ultra-Dense Line Source (PULS) technology. With L Series, the French pro audio manufacturer brought line source technology to a pinnacle, offering the ultimate power, control, and consistency in line array design.\u00a0<\/p>\n
Three years later, the new L-Acoustics L1 and CS1 systems also mark their first permanent installation at the Hollywood Bowl, deployed in a white architectural finish, integrated alongside the new L-Acoustics Source Intelligence audio processing platform. Expanding on the original L Series concept, the new L1 converges what would be typically several line array elements in a single curved enclosure that behaves as a coherent system.
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\nWhere previous large-format systems made incremental gains, the new L1 achieves a categorically higher concentration of transducers in an efficient form factor. Each enclosure integrates two 18″ low-cardioid (LC) transducers side-mounted for frontal energy and rear rejection, four front-facing 15″ low-frequency drivers, eight 8″ mid-frequency drivers, and six coaxial 4″+2.5″ HF compression drivers. This HF coaxial configuration, new to the L Series, increases SPL and long-throw capabilities.
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\nL1 and L1D fly with an auto-locking rigging system that requires no external pins, reducing rigging actions and getting the system in the air faster. The L1D enclosures extend the L1 system to nearfield zones with a progressive 60\u00b0 vertical coverage pattern, achieving 155 dB SPL. The flagship CS1 cardioid subwoofer delivers peak SPL of 150dB down to 25Hz.
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The result is a maximum SPL of 160 dB per enclosure, across a full bandwidth of 35Hz to 20kHz, yielding best-in-class SPL per size, per kilogram, and per square meter. The companion wide vertical coverage L1D element matches this transducer architecture with a progressive 60-degree vertical coverage pattern for nearfield zones, achieving 155dB SPL.
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\n\u201cL1 represents the highest expression of power, bandwidth, and pattern control ever achieved in line array technology,\u201d says Germain Simon, Director of Product Management, Loudspeakers at L-Acoustics. \u201cWith PULS taken to its ultimate expression, we have broken every performance benchmark we set for large-format line source. L1 is a genuine turning point for the industry.\u201d<\/p>\n
L1 and CS1 Integrated Cardioid Technology
\nFor large live sound productions in urban environments, multi-stage festivals, and noise-sensitive venues, low-frequency spill is one of the most persistent engineering challenges. The L1 system addresses it at the design level.<\/p>\n
The side-mounted 18″ LC transducers enable L-Acoustics patented cardioid low-frequency architecture, delivering up to 18dB of rear rejection between 20 and 250Hz, and more than 26dB of rejection below 80Hz. Low-frequency energy is concentrated on the audience; spill behind the array is minimized at the source. Sound designers choose between cardioid mode for maximum rear rejection, or supercardioid for extended rejection to the sides.
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\nThe new L1 line array element has been deployed on Bruno Mars\u2019 The Romantic tour with Clair Global, for Harry Styles\u2019 Together, Together tour with Solotech, and on Joker Xue\u2019s world tour with MRT, as well as a debut at the Brit Awards in London with Britannia Row, a Clair Global company. CS1 delivered the low end on the main stages of Coachella Valley Music and Arts Festival with RAT Sound, and Ultra Music Festival with Unreal-Systems\/AgorA.
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The CS1 extends the same principle to the sub-bass range. With four 21″ transducers in a cardioid topology, CS1 delivers peak SPL up to 150dB and extends bandwidth down to 25Hz. At Coachella and Ultra Music Festival, where neighboring stage interference is a constant pressure on production engineers, CS1 delivered the sub-bass power and impact those shows demand while preserving acoustic integrity across the site.<\/p>\n
The new-generation Autofilter algorithm extends this control into three dimensions. Working within L-Acoustics Soundvision software, it shapes the low-frequency beam of an L1 array to rival \u2014 and in many configurations surpass \u2014 the low-frequency control of a much longer conventional professional sound system of equivalent power, down to 20Hz, with no added latency. A single click within the standard workflow applies it. The result is greater tonal balance stability across the venue and noticeably less low-frequency spread from front to back.
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\nHorizontal directivity is managed by two Panflex modules per enclosure, offering 70- and 90-degree symmetrical patterns plus an 80-degree asymmetrical mode. The L1D enclosure extends options to 110- or 70-degree symmetrical and 90-degree asymmetrical for nearfield coverage. Vertical control is built into the pre-shaped progressive geometry of L1, with 0.8-degree inter-element coupling for long-throw festival formats and 5 degrees for arenas and complex audience profiles.
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\nL-Acoustics L1 system, deployed by MRT, powers Joker Xue’s world tour. The image shows L1, L1D, and CS1 configured across the main hangs, delivering the SPL and low-frequency control demanded by large-format touring productions. L1, L1D, and CS1 cover the main audience zone while L2 and L2D serve as side-fills.
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Three Times Faster to Deploy
\nFor touring productions, the economics of deployment carry as much weight as acoustic performance. A configuration of two CS1, four L1, and one L1D delivers the acoustic performance of a 21-element K1 standard rig, with 66% fewer rigging actions, fewer lifts, fewer cables, and a smaller physical footprint that integrates cleanly with stage and video structures. The weight savings are equally significant. Five enclosures do the work of fifteen typical line array elements, and weigh 20% less when rigged. A main hang of four L1 and one L1D weighs 1,263kg, where a comparable K1 system would require 15 boxes at 1,590kg overhead to match the same performance.<\/p>\n
The auto-locking rigging system requires no external pins. A single SC32 cable connects the amplified controller to each enclosure. Each L1 enclosure is driven by a dedicated LA7.16 amplified controller with 16 discrete channels of DSP and amplification \u2014 one per acoustic element \u2014 enabling Autofilter and cardioid management to operate at individual element resolution across the entire hang. The LA7.16 mounts in the LA-RAK III touring rack: 48 channels of amplification in 9U, Milan-AVB-ready when specified, delivering more than 60,000 watts per rack.
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\nAcross pilot deployments, the response from FOH engineers has been consistent. “This system makes a stadium sound a lot smaller than it is. Controlling the low end with a full cardioid PA pretty much eliminates the usual stuff rolling around these giant spaces. Once you add the finest mids and highs I\u2019ve ever heard, the room just disappears,” says Sean \u201cSully\u201d Sullivan, sound engineer for Bruno Mars.
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\nThe Hollywood Bowl becomes the first venue in the world to install L-Acoustics L1 permanently, in a custom white finish designed to integrate with the venue’s landmark bandshell architecture. This marks the third generation of L-Acoustics sound systems at the Hollywood Bowl, following V-DOSC in 2004 and K1 in 2013, cementing a two-decade partnership with one of the world’s most iconic venues.
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\u201cMixing on L1 feels like driving a top-tier supercar. It\u2019s unbelievably responsive and powerful, giving me the freedom to push the mix further than ever,\u201d says Jun Zhang, sound engineer for Chinese singer Joker Xue. \u201cEven when I pushed it to the limit, the vocals stayed silky and clear, with none of the harshness I\u2019ve heard with other systems. And that gives me so much more confidence in my mix.\u201d<\/p>\n
L1 and CS1 are currently in pilot phase with a select group of L-Acoustics certified partners. Availability for qualified partners is planned for early 2027. \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"L-Acoustics unveiled L1, the flagship of the L Series line arrays, and its companion cardioid subwoofer, CS1. Built…\n","protected":false},"author":2,"featured_media":466223,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[201583,201584,184572,61,28663,60,199636,201582,201581,201579,201577,201580,201578,80,11440],"class_list":["post-466222","post","type-post","status-publish","format-standard","has-post-thumbnail","category-technology","tag-concert-sound","tag-fixed-element","tag-hollywood-bowl","tag-ie","tag-industry-news","tag-ireland","tag-l-acoustics","tag-large-speakers","tag-line-arrays","tag-line-source-array","tag-live-sound","tag-professional-audio","tag-sound-reinforcement","tag-technology","tag-touring"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/466222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=466222"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/466222\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/466223"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=466222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=466222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=466222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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\nFrom its modest origins in France, in 1984, L-Acoustics expanded into a global organization with over 1,000 employees, 20% of its workforce dedicated to R&D. The company pioneered breakthroughs such as the V-DOSC line array, L-ISA immersive solutions, and the eco-conscious L Series \u2014 innovations that have contributed to making L-Acoustics one of the leading companies in sound reinforcement, live sound, and touring systems worldwide.
\nwww.l-acoustics.com<\/a><\/p>\n