{"id":431,"date":"2026-02-04T01:53:27","date_gmt":"2026-02-04T01:53:27","guid":{"rendered":"https:\/\/zsoundpro.com\/?p=431"},"modified":"2026-07-17T08:44:24","modified_gmt":"2026-07-17T08:44:24","slug":"vcsub-21-inch-cardioid-subwoofer-system","status":"publish","type":"post","link":"https:\/\/zsoundpro.com\/fr\/vcsub-21-inch-cardioid-subwoofer-system\/","title":{"rendered":"VCSUB 21 inch subwoofer"},"content":{"rendered":"\n
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\"ZSOUND<\/figure>\n<\/div>\n\n\n\n
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ZSOUND | 21 Inch Cardioid Subwoofer<\/a>: 1 Shocking Bass Force<\/h2>\n\n\n

VCSUB 21 inch subwoofer<\/h1>\n\n\n

Applications<\/h2>\n\n\n\n
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  • Touring performance<\/li>\n\n\n\n
  • Stadium<\/li>\n\n\n\n
  • Theatre<\/li>\n<\/ul>\n\n\n\n

    Feature<\/h2>\n\n\n\n
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    • 135mm (Large-size) Voice Coil<\/li>\n\n\n\n
    • Neodymium Woofer<\/li>\n\n\n\n
    • Cardioid Directivity Mode (when stacked)<\/li>\n\n\n\n
    • Multi-point Rigging (Three-point hanging, four-point stacking)<\/li>\n\n\n\n
    • Birch Multi-Plywood Construction<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
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      Technical Specification<\/h3>\n\n\n\n
      Parameter Name<\/th>Parameter Value<\/th><\/tr><\/thead>
      FREQUENCY RESPONSE<\/td>30 Hz-150 Hz (\u00b13 dB), 25 Hz-200 Hz (-10 dB)<\/td><\/tr>
      NOMINAL COVERAGE (-6dB)<\/td>Non-directional<\/td><\/tr>
      SENSITIVITY (\u00b11w\/1m)<\/td>97 dB SPL<\/td><\/tr>
      POWER RATING (AES)<\/td>1800W<\/td><\/tr>
      NOMINAL IMPEDANCE<\/td>8 ohm<\/td><\/tr>
      MAXIMUM SPL<\/td>129 \/ 135 dB SPL peak<\/td><\/tr>
      DRIVERS<\/td>1×21″ (135mm Voice coil neodymium) woofer<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n
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      Physical Data<\/h3>\n\n\n\n
      Parameter Name<\/th>Parameter Value<\/th><\/tr><\/thead>
      DIMENSIONS (HxWxD)<\/td>590 x 1030 x 674 mm<\/td><\/tr>
      WEIGHT<\/td>84 kg<\/td><\/tr>
      CONNECTORS<\/td>2 x 4 WP4, 2 x 4 NL4<\/td><\/tr>
      SPEAKER CABLES<\/td>WP4: 1-2+\u2026
      NL4: 1+1-…<\/td><\/tr>
      MATERIALS<\/td>18mm, 24mm birch multi-plywood<\/td><\/tr>
      FINISH<\/td>Black polyurea paintings<\/td><\/tr>
      GRILLE<\/td>Black epoxy mesh grille with acoustically reticulated cloth<\/td><\/tr>
      RIGGING<\/td>Cardioid directivity, can be stacked at four points<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n