HK Audio LSUB4000 Linear 5 Passive Subwoofer

HK Audio LSUB4000 Linear 5 Passive Subwoofer

L Sub 4000 is the flexible new 18″ subwoofer from HK Audio. Compatible with all Linear 5 fullrange speakers and mid/high units, its powerful low end – ranging from 30 to 100 Hertz – is totally and powerfully impressive. L Sub 4000 A can also serve as a sub-low add-on to Linear Sub 2000 to beef up the bottom end in the range of 30 to, for example, 70 Hertz (optional frequency separation). Filter presets are available for Lab.gruppen IPD controllers.

Features:

• Powerful and versatile 18″ subwoofer
• Birch multiplex 15/18mm, 9/13 ply
• Power handling program 2400W
• Nominal impedance 4 ohms
• 31Hz – X-Over
• 137dB half space
• 1 x 18″ (4 ohms) with 4″ voice coil
• Compatible with all Linear 5 fullrange speakers and mid/high units
• Sub-low add-on to Linear Sub 2000
• Filter presets available for Lab.gruppen IPD controllers
• Made in Germany

Specifications:

• Power-handling nominal (RMS): 1200W
• Power-handling, program: 2400W
• Power-handling, peak: 4800W
• Nominal impedance: 4 ohms
• Max SPL: 135 dB half space (@ 10% THD)
• Max SPL peak: 137 dB half space (@ 10% THD)
• Sensitivity 1W/1m: 106 dB half space
• Frequency response +/- 3 dB: 39 Hz – X-over
• Frequency response -10 dB: 31 Hz – X-over