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Citronic CASA-18B 18" Passive Sub - 600W

£29699
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Description

The Citronic CASA-18B is a high-power passive subwoofer designed to add serious low-end punch to any PA system. Built from durable 15mm MDF with a textured paint finish, it combines strength with portability, weighing 30kg and fitted with dual side handles for easy transport. The front-loaded 18" driver with 3" voice coil delivers deep, controlled bass down to 45Hz with an impressive 600W RMS (1100W max) handling capacity. A protective steel grille shields the driver, while a 35mm top-hat socket allows pole-mounting of full-range cabinets. The rear panel offers Speakon inputs with link capability, while a built-in low-pass filter ensures optimal integration with tops. Delivering up to 127dB SPL, the CASA-18B provides a powerful bass foundation for live performances, DJs, and mobile sound systems. Perfectly matched with the CASA range of PA cabinets, it’s equally reliable in any demanding sound reinforcement setup.

  • Compact and lightweight design
  • 15mm MDF cabinets with hard-wearing paint finish
  • 2 x side carry handles
  • 35mm pole mount socket
  • Low pass filtered or direct input
Specification
Construction 15mm MDF with durable texture paint finish
Hardware 2 x side carry handles + 35mm pole mount socket
Connection 2 x SPK socket
Impedance 8 Ohms
Filter type 120Hz low pass 12dB/oct
Sub driver 450mmØ (18")
Voice coil 75mmØ (3")
Power handling : rms 600W
Power handling : max 1100W
Dimensions 645 x 605 x 510mm
Weight 30kg
SPL max. 127.0dB
Frequency response 45Hz - 1.8kHz

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    Description

    The Citronic CASA-18B is a high-power passive subwoofer designed to add serious low-end punch to any PA system. Built from durable 15mm MDF with a textured paint finish, it combines strength with portability, weighing 30kg and fitted with dual side handles for easy transport. The front-loaded 18" driver with 3" voice coil delivers deep, controlled bass down to 45Hz with an impressive 600W RMS (1100W max) handling capacity. A protective steel grille shields the driver, while a 35mm top-hat socket allows pole-mounting of full-range cabinets. The rear panel offers Speakon inputs with link capability, while a built-in low-pass filter ensures optimal integration with tops. Delivering up to 127dB SPL, the CASA-18B provides a powerful bass foundation for live performances, DJs, and mobile sound systems. Perfectly matched with the CASA range of PA cabinets, it’s equally reliable in any demanding sound reinforcement setup.

    • Compact and lightweight design
    • 15mm MDF cabinets with hard-wearing paint finish
    • 2 x side carry handles
    • 35mm pole mount socket
    • Low pass filtered or direct input
    Specification
    Construction 15mm MDF with durable texture paint finish
    Hardware 2 x side carry handles + 35mm pole mount socket
    Connection 2 x SPK socket
    Impedance 8 Ohms
    Filter type 120Hz low pass 12dB/oct
    Sub driver 450mmØ (18")
    Voice coil 75mmØ (3")
    Power handling : rms 600W
    Power handling : max 1100W
    Dimensions 645 x 605 x 510mm
    Weight 30kg
    SPL max. 127.0dB
    Frequency response 45Hz - 1.8kHz