Stadium WST Line Source
- Exceptional SPL, LF and throw capability for stadium and outdoor applications
- New K transducer configuration for smooth horizontal radiation pattern
- State of the art rigging system for laser-like accuracy and quick set-up
- Dedicated LA-RAK K touring system package with signal distribution and protection
- New preset library for “out of the box” results and easy tuning
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K1 - Large Format Line Source Inheriting 15 years of Wavefront Sculpture Technology experience and the latest L-ACOUSTICS® research, the K1 line source delivers an unprecedented level of performance for very large concert stadium applications and outdoor festival productions. Packaged as a complete system for the touring market, K1 combines an advanced three-way, quad-amplified enclosure featuring a new K transducer arrangement, with boosted resources on the HF section. The K1 enclosure is typically combined with a dedicated LF extension (K1-SB) to offer an unprecedented level of directivity control and throw at low/sub frequencies. K1 sets a new benchmark of coherence and tonal balance control over distance. K1 has been designed to seamlessly combine with KUDO® for complementary fills, delays and SB28 subwoofers, all driven by the LA-RAK universal electronic and signal distribution platform. |
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L-ACOUSTICS® pioneered the field of modern line source array as early as 1993 with the introduction of Wavefront Sculpture Technology on the legendary V-DOSC® system. Based on physical rules developed by Heil and Urban (AES 1992) the WST® theory defines five criteria for design and use of true line source arrays. At the heart of Wavefront Sculpture Technology is the internationally-patented DOSC® waveguide, which morphs the spherical wavefront of the HF driver into a cylindrical, isophasic wave. In combination with WST®, coplanar symmetry - the equivalent of coaxial assembly for HF, MF and LF drivers in vertical arrays - provides a coherent wavefront over the entire horizontal coverage at all frequencies. This behaves as if the sound was radiated by a single, continuous and articulated ribbon |
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Any line source featuring L-ACOUSTICS® elements respects the coplanar symmetry and all WST® criteria on the entire sonic spectrum. This allows an exceptionally coherent sonic signature in very long throw applications, beyond the limits of other systems. L-ACOUSTICS® has been designing reference line array systems for more than 15 years. |
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| K1-SB |
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| KUDO |
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| K1-BUMP |
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| K1-DELTA |
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| K1-CHARIOT |
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| K1-CHARIOTCOV |
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| K1-PLA |
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| K1-COV |
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| SB28 |
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| LA-RAK |
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| LA Network Manager |
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| SOUNDVISION |
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| 2 x 8 K1 2 x 16 K1 2 x 4 K1-SB 2 x 8 K1-SB 3 x 8 SB28 Download K1 kit list |
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| 4 x 12 K1 4 x 6 K1-SB 3 x 8 SB28 Download K1 kit list |
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| REVEILLON 2010 IN RIO DE JANEIRO Brazil |
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| COACHELLA FESTIVAL (2009) Indio, CA - USA |
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| RAMMSTEIN TOUR (2009) EUROPE |
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| DOWNLOAD FESTIVAL (2009) Donington Park - UK |
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| HYDE PARK CONCERTS (2009) London - UK |
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| JEAN-MICHEL JARRE EUROPEAN TOUR (2009) |
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| Shuzo Fujii Director MSI |
"At the moment I heard the system, I immediately knew I would be buying it, and we were given the opportunity to become part of the pilot programme". | ![]() |
| James McCullagh FOH engineer for Journey |
"The System was HUGE and in your face - it made mixing a pleasure! Every band I saw sounded great". | ![]() |
| Wolfgang “Schabbach” Neumann Director Sirius Showequipment AG |
"Every time I hear my K1 system, I have a smile on my face!". | ![]() |
| Ulf Oeckel K System Engineer |
"Having used the K1, in my opinion there is no competitor which can guarantee the same performance. During the Rammstein tour, we were getting an SPL of 110 dBs at FOH and 103 dBs at the back row, with the same clear sound". | ![]() |
| Dave Rat Founder and owner Rat Sound |
"The overall response from literally every engineer at Coachella and Stagecoach was ‘wow!’ The clarity difference, even above V-DOSC, is immediately apparent. K1’s volume, impact and low frequency control are truly distinct. And while roaming the venue, there is a clear improvement in horizontal coverage". | ![]() |
| John Probyn Director Download Festival and Live Nation Chief Operating Officer |
"We made history last weekend on two counts. First, we produced the best rock festival that the world has ever seen and second, we listened to it through the best PA system anyone has heard!". | ![]() |
| Kevan Wilkins Production Manager Goldenvoice |
"I was blown away when I heard that McCartney thought it was a great live sound. As for me, personally, it was amazing". | ![]() |
| Adam Correia FOH Engineer for Down |
"It was great working with SSE and I thought the K1 system at Download was amazing! It was great sounding, loud and clear. I was able to feel the subs at FOH which I love. Great stuff! I look forward to the next opportunity I get to mix on it". | ![]() |
| Tim Cleasby FOH Engineer for Skin and Stone Gods |
"The system sounded great for both bands I mixed on the Sunday; loads of balls and plenty of clarity. I loved it from the first kick drum hit". | ![]() |
| Micke Ljungberg CEO/Owner Music & Lights AB |
“I first heard the K1 system; I was really stunned by the work L-ACOUSTICS had put in. They have managed to get the frequency response to be consistent all the way to the off axis limit point, something I’ve never heard on any system to this day. Combined with the amazing power of the system, the best and fastest rigging in the business, plus the integration with LA8 amplified controllers and the great improved KUDO system made it a done deal! New clients are already lining up, and with K1 we are certain to take a new share of the market” | ![]() |
| Bryan Adams UK arena tour | ||
| From V-DOSC to K1 | ||





























