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.

• 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

• 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