A static HF waveguide merges with the shaped LF cone to maintain the intended pattern into the upper frequency range. This also addresses the high-frequency beaming that can occur in conventional coaxial arrangements.
The driver rotates for portrait or landscape operation after removing the screw-free grille. The curved composite cabinet accepts compatible wall and ceiling mounting accessories. Standard finishes are black RAL9005 or white RAL9016, with other RAL colours offered to order.
The weatherised design is intended for outdoor locations sheltered from direct exposure to the elements. It is tested to IP54 and for operation from −20°C to +70°C. The protective grille uses zinc-plated mild steel with a powder-coated finish to resist water and particles. A dual cable gland permits cabinet-to-cabinet wiring without an external breakout box.
The internal 70/100 V transformer supports distributed circuits and daisy-chained loudspeakers. Use the model-specific transformer settings and connections published in the technical data.
A compatible system controller supplies the correct equalisation and limiter settings for protection. DX4.0 or iKON provides enhanced DSP and FIR-based presets for the system; the passive loudspeaker requires suitable external amplification.
Explore the Martin Audio CDD and CDD-WR loudspeakers at B-Star for the available system options.
Technical Specifications CDD6TX-WR
ACOUSTICS |
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| TYPE | Ultra-compact passive two-way Coaxial Differential Dispersion system |
| FREQUENCY RESPONSE (5) | 80Hz-20kHz ± 3dB -10dB @ 70Hz |
| DRIVERS | LF: 6.5” (165mm)/1.5” (38mm) voice coil, long excursion, ferrite motor system HF: 1” (25mm) voice coil, fabric dome with neodymium motor system |
| RATED POWER (2) | 150W AES, 600W peak |
| SENSITIVITY (8) | 91dB |
| MAXIMUM SPL (9) | 113dB continuous, 119dB peak 6.2W=99dB, 12.5W=102dB, 25W=105dB, 50W=108dB. |
| NOMINAL IMPEDANCE | 8Ω |
| DISPERSION AT −6 dB | 110°–80° horizontal, 80° vertical (user-rotatable) |
| CROSSOVER | 2.5kHz passive |
70/100 V TRANSFORMER |
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| TRANSFORMER SETTINGS | 100V line: 12.5W, 25W, 50W 70V line: 6.5W, 12.5W, 25W, 50W |
CONNECTIONS |
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| CONNECTORS | Low-profile 13A push-lock connector; weatherproof input-panel cover with dual cable glands |
| PIN CONNECTIONS | Left to right: Input+, Input -, Link -, Link + |
ENCLOSURE, MOUNTING AND ENVIRONMENT |
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| ENCLOSURE | 9 litre, composite material |
| FINISH | Black or white as standard |
| PROTECTIVE GRILLE | Zinc plated mild steel with powder coated finish and weatherised backing |
| FITTINGS | 4 x M6 inserts for wall/ceiling brackets |
| ENVIRONMENTAL | Rated at IP54 |
DIMENSIONS AND WEIGHT |
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| DIMENSIONS | (W) 210mm x (H) 325mm x (D) 210mm (W) 8.3ins x (H) 12.8ins x (D) 8.3ins |
| WEIGHT | 6.77kg (14.93lbs) |


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