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 cabinet can be suspended using approved eyebolts or an optional horizontal yoke. Standard finishes are black RAL9005 or white RAL9016, with other RAL colours offered to order.
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 CDD15
ACOUSTICS |
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| TYPE | High-output passive two-way Coaxial Differential Dispersion system |
| FREQUENCY RESPONSE (5) | 55Hz-18kHz ± 3dB, -10dB @ 45Hz |
| DRIVERS | LF: 15” (380mm)/3” (75mm) voice coil, long excursion, shared ferrite motor system with HF HF: 1.4” (36mm) exit/3” (75mm) voice coil, titanium dome compression driver |
| RATED POWER (2) | 400W AES, 1600W peak |
| SENSITIVITY (8) | 100dB |
| MAXIMUM SPL (9) | 126dB continuous, 132dB peak |
| NOMINAL IMPEDANCE | 8Ω |
| DISPERSION AT −6 dB | 100˚–60˚ horizontal, 60˚ vertical (user-rotatable) |
| CROSSOVER | 1.6kHz passive |
CONNECTIONS |
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| CONNECTORS | Low profile 20A push-lock |
| PIN CONNECTIONS | Left to right: Input+, Input -, Link -, Link+ |
ENCLOSURE AND MOUNTING |
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| ENCLOSURE | 68 litre, birch plywood |
| FINISH | Black or white textured paint |
| PROTECTIVE GRILLE | Black or white perforated steel with scrim cloth backing |
| FITTINGS | 10 x M8 fly points |
DIMENSIONS AND WEIGHT |
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| DIMENSIONS | (W) 432mm x (H) 685mm x (D) 413mm (W) 17.01ins x (H) 26.97ins x (D) 16.26ins |
| WEIGHT | 26kg (57.32lbs) |
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