15″ Triaxial Point Source Loudspeaker

Extremely powerful point source loudspeaker which combines very high output with extended frequency response

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Ideally suited to medium-scale club applications and installations which call for exceptionally high sound levels from a compact, standalone loudspeaker system.

Packing three high-technology drivers into a relatively small trapezoid enclosure, its innovative three-way triaxial configuration delivers turbo-charged output for its size and gives it the edge over comparable two-way systems in terms of superior mid and high frequency performance. Adding a compact Martin Audio SX subwoofer to extend low frequency output creates a dynamic, four-way setup with a small footprint.

To ensure the most effective use of amplifier count, THS is designed to be bi-amplified, with an internal passive network performing the mid/high crossover function.

The THS triaxial driver is a remarkable, state-of-the art device. Its LF section comprises a reflex-loaded, high-specification 15” LF driver with a 4” coil, waterproof cone and neodymium magnet structure. A 4” midrange ring radiator and a 2.5” HF ring radiator, both with high temperature polymer diaphragms, are arranged coaxially at the rear of the LF driver and integrated into a 1.4” exit. This transitions through the magnet structure of the LF driver into an 85° x 50° horn. The horn itself is user rotatable, with a large mouth to maintain pattern control down through the midrange.

The durable birch plywood enclosure is finished in hardwearing textured paint and incorporates multiple threaded inserts to facilitate a variety of portrait and landscape mounting options — including eyebolt, yoke, pole and truss mounting. Twin handles assist installation and deployment. A steel grille with a triple-layer polyester backing protects the drivers and resists dust and water ingress.

Recommended amplifiers include Martin Audio iKON amplifiers with onboard DSP or VIA amplifiers used in conjunction with a DX4.0, DX0.6, or DX0.4 controller. THS systems can be modelled in 3D using DISPLAY 3 design and prediction software.

Specification

TYPE Bi-Amp 3-way (Passive MF/HF) Loudspeaker
FREQUENCY RESPONSE 54Hz-18kHz ± 3dB, -10dB @43Hz with preset
DRIVER
  • LF: 15” (380mm) / 4” (100mm) coil neodymium motor
  • MF: 1.4″ (25mm) exit / 4″ (100mm) coaxial HT polymer ring radiator
  • HF: 1.4” (25mm) exit / 2.5″ coaxial HT polymer ring radiator
RATED POWER
  • LF: 800W AES, 3200W Peak
  • MF/HF: 110W AES, 440W Peak
SENSITIVITY
  • LF: 100dB
  • MF/HF: 109dB
MAXIMUM SPL 129dB continuous, 135dB peak
NOMINAL IMPEDANCE LF: 8 Ohms
MF/HF: 8 Ohms
DISPERSION (-6dB) 85˚ horizontal, 50˚ vertical
CROSSOVER 650Hz/4.8kHz
ENCLOSURE Birch plywood
FINISH Textured black finish
PROTECTIVE GRILLE Black perforated steel
CONNECTORS NLT4MPXX-BAG speakons (pair)
PIN CONNECTIONS
  • LF : 1+ / 1-
  • MF/HF : 2+/2- 1+ / 1-, 2+ / 2-
FITTINGS
  • 13 x M10 fixings
  • 4 x M10 Bracket Mounting Points
  • Two Handle Pockets
DIMENSIONS
  • 710mm (H) x 457mm (W) x 511mm (D)
  • 27.95ins (H) x 17.98ins (W) x 20.11ins (D)
WEIGHT 35.6 kg (78.48 lbs)

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