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HK Audio CTA 118 Sub

Active subwoofer, 2x 1000 W power amps, 18″, 130 dB max. SPL, 42 Hz–fx (+/-3 dB), XLR Input, 1x Speakon NL4 Speaker Out for a passive mid/ high unit

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CTA 118 Sub – COMPACT. CONVENIENT. VERSATILE.

An active, direct-loaded subwoofer, the 18“ CTA 118 SUB serves as the system’s powerful engine room. All the required circuitry is on board, including a 56-bit DDO-Pro™ digital controller and two 1,000-watt RMS PWM power amps. One of the power amps drives the subwoofer’s 18“ speaker; the other is configured by the controller to drive a CTA 208 mid/high unit or a ConTour Series™ CT 108, CT 112 or CT 115 enclosure.

Packing a powerful punch, the CTA 118 SUB delivers low-ranging yet clearly defined bass response, rendering impulses with great accuracy and authority even when handling the heaviest loads. Filter presets have been devised for the various setups. They fine-tune the components of each configuration to work optimally with each other, ensuring peak system performance and reliability. Simply select the appropriate filter preset on the controller, and the integrated display will immediately indicate all information of relevance to the given setting.

The internal electronic circuitry is shock-mounted on rubber grommets, while a dolly facilitates transport and affords additional protection against damage and dirt.

  • Sensitivity 1W@1m (Half Space): 101 dB
  • Max. SPL peak (Half Space): 133 dB
  • Frequency response +/-3 dB: 42 Hz – fx
Specifications

Headline Active System Bass
Maximum SPL, @ 10% THD 130 dB @ 10% THD (half space)
Sensitivity 1W/1m 101 dB
Frequency response +/- 3 dB 42 Hz – fx
Frequency response -10 dB 36 Hz – fx
Power Rating 2000 W
Amplifier Class D
Active protection circuits DDO™ Pro Limiter, thermal protect, short-circuit
LF Speaker 18"
Connections XLR female, electronically balanced & floating, DDO-Pro™ Net/ RS 485 Ethercon
Pole mount M20 plate
Handles 7, integrated
Enclosure Birch plywood 18mm, 13- ply
Grille Metal grille with black acoustic foam
Finish Black polyurethane lacquer
Optional accessories Protective cover, dolly, stack plate
Dimensions (WxHxD) 51cm x 73 cm x 71 cm
Weight 59 kg/ 129.8 lbs.

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