Powerful Amplification and Performance: The HK Audio LINEAR SUB 1800 A is equipped with a 1200W Class D amplifier, providing ample power for demanding audio setups. The amplifier ensures that the subwoofer delivers consistent, high-output performance, with a peak SPL of 132 dB. This powerful output allows the subwoofer to easily fill large venues with deep, impactful bass, making it ideal for live sound reinforcement and large-scale installations.

Advanced Protection Features: To ensure the safety of the unit and connected devices, the LINEAR SUB 1800 A incorporates multiple active protection circuits. These include undervoltage protection, thermoprotection, overcurrent protection, and subsonic filters. These features safeguard against damage, maintaining the subwoofer’s reliability and longevity even in challenging environments.

Flexible System Integration: The subwoofer provides flexible system integration with an adjustable crossover frequency range of 100 Hz to 120 Hz and a 24 dB/octave slope. This allows users to tailor the frequency response to suit their setup, ensuring a seamless blend with LINEAR 3 mid/high units. The dual analog XLR inputs and outputs make it easy to connect to other audio components, allowing for simplified system configurations.

Durable Build and Easy Transport: Constructed with a 16 mm MDF housing, finished in black acrylic enamel, the subwoofer is built for durability and aesthetic appeal. It features integrated carrying handles for ease of transport, as well as a pole mount for secure placement in a variety of setups. These design elements ensure that the subwoofer can withstand the rigors of touring and permanent installations.

Compact and Portable Design: With a weight of 42 kg (92.6 lbs) and compact dimensions of 51 x 67 x 72 cm, the LINEAR SUB 1800 A is designed to be portable without sacrificing performance. It offers professional-grade sound in a manageable size, making it a practical choice for both touring and permanent installations.

Specifications:

• Max SPL @ 10% THD: 130 dB half space (40 Hz – X-Over averaged)
• Max SPL peak @ 10% THD: 132 dB half space
• Frequency Response +/- 3 dB: 42 Hz – X-Over
• Frequency Response -10 dB: 38 Hz – X-Over
• Power Amp Output (Peak Power): 1200 W
• Amplifier Type: Class D
• Active Protection Circuits: Undervoltage protection, thermoprotection, short-circuit protection, overcurrent protection, subsonic 24 dB/oct., peak limiter
• LF Driver: 1x 18″, 3″ voice coil
• Active Crossover Frequency: 100 Hz / 120 Hz (variable with 24 dB/oct.)
• Analog Inputs: 2x XLR combo balanced
• Analog Outputs: 2x XLR Thru balanced, 2x XLR Mid/High Out
• Input Sensitivity: +4 dBu @ Gain center-notched
• Mains Connector: 1x IEC socket with V-Lock cord retainer
• Power Consumption: 3 A / 220-240 V (6 A / 100-120 V) nominal
• Pole Mount: 1x M20
• Carrying Handles: 2x MultiGrip
• Housing: 16 mm MDF
• Finish: Black acrylic enamel
• Front Grille: 2 mm metal grille backed with black acoustic foam
• Dimensions (WxHxD): 51 x 67 x 72 cm (20-5/64 x 26-3/8 x 28-11/32″)
• Weight: 42 kg / 92.6 lbs