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Shure Beta57AShure Beta57A
HK Audio CTA 208HK Audio CTA 208

HK Audio CT115

Fullrange Cabinet.

  • Power Capacity RMS/program/peak: 600/1200/2400 watts
  • Sensitivity 1W@1m (Half Space): 106 dB
  • Max. SPL peak (Half Space): 138 dB
  • Frequency response +/-3 dB: 65 Hz – 16 kHz

The CT 115 is a passive speaker cabinet that may also be configured in biamp mode. Offering an extended lowfrequency range and featuring a dual-purpose housing, it can serve as a FOH speaker as well as a stage monitor. The CT 115’s hallmarks include speech intelligibility, extraordinary phase linearity, and wide dynamic range. Its HF horn has been optimised using the BEM (Boundary Element Method) for precise directivity and optimal clustering without phase cancellation.

The CT 115 was developed principally for full-range sound reinforcement applications over short to medium-throw distances, without an additional subwoofer. When used as a stage monitor (Shape switch set to Monitor), the CT 115 cuts through even on loud stages and is able to handle kick drum and bass signals. The CT 115 is available in left and right versions for balanced monitoring arrangements. The HK AUDIO CT 118 Sub is the recommended enhancement for setting up powerful, two-way active systems.

The CT 115 may be operated in passive or biamp mode with or without a controller. For the best audio results, it is recommended that this enclosure be operated with the HK AUDIO DSM 2060 Controller or HK AUDIO Digital Field Controller (DFC) in combination with a DFC network.

Application scenarios: Stand-alone fullrange system, near-field sound reinforcement for applications demanding high SPL, for example, as an FOH mid/ high-range unit in live clubs, an ancillary front fill for COHEDRA™ systems, a mid/high-range unit for side or drum fills and for monitoring on larger stages.


Headline Fullrange Cabinet
Power-handling nominal (RMS) 600 W
Power-handling, program 1200 W
Power-handling, peak 2400 W
Nominal impedance 8 ohms
Maximum SPL, @ 10% THD 134 dB @ 10% THD (half space)
Sensitivity 1W/1m 106 dB
Frequency response +/- 3 dB 65 Hz – 16 kHz
Frequency response -10 dB 55 Hz – 19 kHz
LF Speaker 15" neodymium
HF Driver 1.4", 3" voice coil
Horn characteristics 60° x 40° CD horn, rotatable
Crossover frequency 850 Hz, 12 dB/ oct.
X-Over Bi-amp/ passive, switchable
Connections 2x Speakon NL 4
Angles up 47° + 18° (monitor application)
Pole mount HK Audio TripleTilt
Rigging points 2x Aeroquip fly tracks, 2x M10 threaded bushing
Handles 3x Ergonomic handle
Enclosure Birch plywood 18mm, 13- ply
Grille Metal grille with acoustic foam
Finish Black polyurethane lacquer
Optional accessories Rigging yoke, protective covers, touring flightcase (2x CT 115)
Dimensions (WxHxD) 45 cm x 69,6 cm x 39,6 cm
Weight 33 kg/ 72.6 lbs.

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