TECHNOLOGY / AUDIO

KS28 Subwoofer

Product Info

The KS28 is a reference subwoofer designed to extend the frequency response of large format systems. It features two high excursion, 18in direct radiating transducers mounted in a bass reflex tuned enclosure. The L-Vents reduce turbulence and port noise at high levels while also increasing LF efficiency.

The KS28 operates down to 25Hz. The excursion capability of the transducer, combined with L-Vents, contributes to deliver a high SPL with low distortion. The KS28 can offer standard or cardioid directivity by combining physical deployment and the suitable preset.

The KS28 is the first L-Acoustics enclosure to fully utilize the LA12X amplified controller power. The LA12X ensures advanced crossover functions, linearization and L-Drive protection of the transducers. Its on-board library offers standard and cardioid presets, each available with two low-pass filters to accommodate various coupling conditions and LF contour requirements.

Features & Specifications

  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω

  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:
    Flush-fitting 2-point rigging system
    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood
  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω
  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:

    Flush-fitting 2-point rigging system

    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood

Specifications

  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω

  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:
    Flush-fitting 2-point rigging system
    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood
  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω
  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:

    Flush-fitting 2-point rigging system

    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood

KS28 Subwoofer

TECHNOLOGY / AUDIO

Product Info

The KS28 is a reference subwoofer designed to extend the frequency response of large format systems. It features two high excursion, 18in direct radiating transducers mounted in a bass reflex tuned enclosure. The L-Vents reduce turbulence and port noise at high levels while also increasing LF efficiency.

The KS28 operates down to 25Hz. The excursion capability of the transducer, combined with L-Vents, contributes to deliver a high SPL with low distortion. The KS28 can offer standard or cardioid directivity by combining physical deployment and the suitable preset.

The KS28 is the first L-Acoustics enclosure to fully utilize the LA12X amplified controller power. The LA12X ensures advanced crossover functions, linearization and L-Drive protection of the transducers. Its on-board library offers standard and cardioid presets, each available with two low-pass filters to accommodate various coupling conditions and LF contour requirements.

Specifications

  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω

  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:
    Flush-fitting 2-point rigging system
    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood
  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω
  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:

    Flush-fitting 2-point rigging system

    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood

KS28 Subwoofer

TECHNOLOGY / AUDIO

Product Info

The KS28 is a reference subwoofer designed to extend the frequency response of large format systems. It features two high excursion, 18in direct radiating transducers mounted in a bass reflex tuned enclosure. The L-Vents reduce turbulence and port noise at high levels while also increasing LF efficiency.

The KS28 operates down to 25Hz. The excursion capability of the transducer, combined with L-Vents, contributes to deliver a high SPL with low distortion. The KS28 can offer standard or cardioid directivity by combining physical deployment and the suitable preset.

The KS28 is the first L-Acoustics enclosure to fully utilize the LA12X amplified controller power. The LA12X ensures advanced crossover functions, linearization and L-Drive protection of the transducers. Its on-board library offers standard and cardioid presets, each available with two low-pass filters to accommodate various coupling conditions and LF contour requirements.

Specifications

  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω

  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:
    Flush-fitting 2-point rigging system
    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood
  • Dimensions: 53.2” x 28.3” x 21.7”
  • Low Frequency Limit: (-10 db): 25 Hz
  • Maximum SPL: 143 dB
  • Directivity: Standard or cardioid
  • Transducers: 2×18’’ neodymium, aluminum die cast basket
  • Nominal Impedance: 4 Ω
  • Connectors: IN: 4-point speakON®
  • Rigging and Handling:

    Flush-fitting 2-point rigging system

    6 ergonomic handles, 2 ground runners, 8 side runners
  • Weight: 174 lbs
  • Cabinet: Premium grade beech and birch plywood
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