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Immagine Principale
  • HD21SW
  • HD21SW
  • HD21SW
  • HD21SW
  • HD21SW
  • HD21SW
  • HD21SW
  • Bass-reflex passive subwoofer, 2000W AES, 134dB SPL
    • Long-excursion 21'' woofer with 6'' voice coil
    • Impedance: 8Ohm
    • Recommended amplifier: up to 4000W RMS/8Ohm
    • Sensitivity: 97dB @1W/1m
    • Frequency response: 30-120Hz (±3dB)
    • External LPF recommended range: 80Hz to 150Hz
    • Neutrik NL-4 Speakon in/out
    Cabinet construction:
    • Cabinet made of 18mm multilayer birch plywood, reinforced with steel strengthenings
    • 21'' Nd woofer in bass-reflex loading, B4 ''highly-flat'' configuration for extension of response to lowest octaves and max control over diaphragm
    • Built-in mechanics for stacking of DAD HDA800 line-array systems
    • Ready to fit optional hardware for transportation
    • Subwoofer delivering extended frequency response, also in infra-bass applications
    • High pressure on low frequencies in large indoor/outdoor venues
    • Sound reinforcement in live applications, theaters of permanent installations
    • Subwoofer section of multi-amplified sound systems, combined with DAD HDA800 line-array modules
    Technical data HD21SW
    System type Passive - Bass reflex
    Built-in amp (W/EIAJ)  
    AES / Program Power
    2000W / 4000W
    Recommended amp up to 4000W RMS/8Ohm
    Input impedance 8Ohm
    Coverage angle omnidirectional
    Frequency response 30–120Hz (±3dB)
    Low frequency 21” Nd woofer / 6” coil
    Input sensitivity  97 dB @1W/1m (Free Field)
    Max SPL-Cont./Peak 128/134dB (Free Field)
    Suggested x-over 80-100Hz
    User controls  
    Connections Neutrik NL4 Speakon in/out
    Weight 64kg
    Dimensions (WxHxD) 800x600x720mm
    Accessory Code
    HD21SW (optional)
    Fabric protection for HD21SW
    HD21SW (optional)
    Plywood cover for HD21SW
    HD21SW (optional)
    TOURING218SA (optional)
    TOURING218SP (optional)
    TOURING218H (optional)
    TOURING18SA (optional)
    End of life
    100mm professional swivel caster, 350 kg load limit for a set of 4 wheels
    HD21SW (optional)
    TOURING218H (optional)
    End of life
    100mm prof. swivel caster with brake,350 kg load limit for a set of 4 wheels


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