Blam R12 12in Passive Subwoofer 250W RMS

universal-fit

Blam R12 12in Passive Subwoofer 250W RMS

300 mm 12 inch passive subwoofer with 250W nominal 500W peak, 2 ohm impedance, 94 dB sensitivity and 30 Hz to 500 Hz frequency response.

Installation is excluded from the advertised product price unless specifically stated otherwise. Should you require professional installation, please contact the Rivonia Car Sound team for advice and a separate quotation. Additional installation accessories may be required, depending on the vehicle and product.

SKU R 12.00 Category Brand:

Suitable for:

Vehicle logos indicate compatibility only. This product is not manufactured or endorsed by the vehicle brand.

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The Blam R12 is a 300 mm 12 inch passive subwoofer built with a steel basket, reinforced cellulose fiber cone, foam surround and cotton damper. It features a 50 mm voice coil on an aluminium former and a 134 mm x 23 mm motor assembly with a machined extended T yoke for reliable low frequency performance.

Designed for use in sealed or bass reflex enclosures, the R12 is optimized for 20 L to 40 L sealed boxes and has recommended bass reflex tuning examples at 30 L and 50 L. This passive driver requires an external amplifier matched to a 2 ohm load. Supplied accessories include mounting screw and user manual.

  • Driver diameter: 300 mm (12 inch)
  • Maximum power: 500 W
  • Nominal power: 250 W RMS
  • Frequency response: 30 Hz to 500 Hz
  • Sensitivity: 94 dB
  • Impedance: 2 ohm
  • Cone: Reinforced cellulose fiber
  • Surround: Foam surround
  • Basket: Steel basket
  • Voice coil: 50 mm on aluminium former
  • Motor assembly: 134 mm x 23 mm
  • Motor: Machined extended T yoke
  • Recommended sealed enclosure: optimized for 20 L to 40 L (example 20 L F-3 dB 54 Hz, 30 L F-3 dB 51 Hz)
  • Recommended bass reflex examples: 30 L port 10 cm length 30 cm F-3 dB 41 Hz, 50 L port 10 cm length 26 cm F-3 dB 32 Hz
  • Supplied accessories: mounting screw and user manual
  • 300 mm (12 inch) driver with reinforced cellulose cone
  • 250 W nominal power, 500 W peak
  • 2 ohm impedance for increased power handling
  • 50 mm voice coil on aluminium former for thermal control
  • 134 mm x 23 mm motor assembly with machined extended T yoke
  • Optimized for 20 L to 40 L sealed enclosures; ported options available
  • Disconnect the vehicle battery before installation
  • Use an amplifier rated for 2 ohm loads and match power to the 250W RMS rating
  • Securely mount the subwoofer to prevent movement and vibration
  • Avoid exposing the driver to water or excessive moisture
  • Universal fit for vehicles that accommodate a 12 inch subwoofer and an appropriate enclosure or enclosure space

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