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HK Audio LINEAR 3 SUB 1800 A

Item: PAH0019204-000V000114707
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Item with slight scratches and signs of wear, (partially replaced screws. Hole in foam) /MAW  All product info

£ 846.35
incl. VAT, incl. Shipping Costs
or cheap with financing
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L SUB 1800 A

Item with slight scratches and signs of wear, (partially replaced screws. Hole in foam) /MAW

The HK Audio L Sub 1800 A Active Subwoofer is an active 1200W 18" bass reflex subwoofer featuring a maximum sound pressure level of 133dB. The L Sub 1800 A packs a powerful punch whilst offering a highly precise playback and impressive low end. These features make this powered sub the ideal add-on to mid/high units from the Linear 3 Series when a dynamic and crisp bass response is needed. This compact powered subwoofer features a rugged wood enclosure with adjustable X-over frequency and integrated HK Audio MultiGrips.

The main features of the HK Audio L Sub 1800 A Active Subwoofer include:

  • Max SPL: 130 dB Half-Space (@ 10% THD)
  • Max SPL Peak: 132 dB Half-Space (@ 10% THD)
  • Max SPL Calculated: 133 dB Half-Space
  • Frequency Response +/- 3 dB: 42 Hz – X-Over
  • Frequency Response -10 dB: 38 Hz – X-Over
  • Power Rating: 1200W
  • Amplifier: Class D
  • Active Protection Circuits: Under-Voltage, Thermal, Short Circuit, And Over-Current Protection, Subsonic 24 dB/Oct. Peak Limiter
  • LF Speaker: 1x 18"
  • Cut-Off Frequency Active: 100/120 Hz Variable with 24 dB/Oct
  • Connections: 2x XLR Combo In Balanced, 2x XLR Thru Balanced, 2x XLR-Mid/High Out
  • Input Sensitivity: +4 dBu @ Gain Centre-Notched
  • Pole Mount: 1x M20 (K&M)
  • Handles: 4x HK Audio MultiGrip
  • Enclosure: MDF 16mm
  • Grille: 2mm Metal Grille Backed with Black Acoustic Foam
  • Finish: Acrylic Enamel, Black
  • Dimensions: 510 x 670 x 720mm
  • Weight: 42kg


  • Manufacturer: HK Audio
  • Typ: Sub
  • Signal Processing: Active
  • Size of Woofer (Inches): 18
  • max. Peak SPL (dB): 132
  • Weight (kg): 42
  • Housing Material: Wood
  • Flange: M20
  • Input: Combo Socket
  • Output: XLR
  • Height (mm): 51
  • Width (mm): 67
  • Depth (mm): 72
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