Product Details CDD8
CDD8 is a passive two-way Coaxial Differential Dispersion loudspeaker. The compact cabinet can operate independently or provide infill alongside larger CDD12 and CDD15 systems.
The 8-inch LF section works with a 1-inch-exit compression driver and polyimide HF diaphragm in the integrated coaxial assembly.
Coaxial Differential Dispersion provides wider horizontal coverage nearby and directs proportionally more energy towards the rear of the audience. LF and HF outputs combine as a point source, reducing the off-axis response changes around crossover associated with separated drivers.
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.
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 CDD8
ACOUSTICS |
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| TYPE | Ultra-compact passive two-way Coaxial Differential Dispersion system |
| FREQUENCY RESPONSE (5) | 70Hz-20kHz ± 3dB, -10dB @ 55Hz |
| DRIVERS | LF: 8” (200mm)/2” (50mm) voice coil, long excursion, shared ferrite motor system with HF HF: 1” (25mm) exit/1.4” (38mm) voice coil, polyimide dome compression driver |
| RATED POWER (2) | 200W AES, 800W peak |
| SENSITIVITY (8) | 94dB |
| MAXIMUM SPL (9) | 117dB continuous, 123dB peak |
| NOMINAL IMPEDANCE | 8Ω |
| DISPERSION AT −6 dB | 110˚–80˚ horizontal, 60˚ vertical (user-rotatable) |
| CROSSOVER | 2.3kHz passive |
CONNECTIONS |
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| CONNECTORS | Low profile 13A push-lock |
| PIN CONNECTIONS | Left to right: Input+, Input -, Link -, Link + |
ENCLOSURE AND MOUNTING |
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| ENCLOSURE | 14 litre, composite material |
| FINISH | Black or white textured paint |
| PROTECTIVE GRILLE | Black or white perforated steel with scrim cloth backing |
| FITTINGS | 6 x M6 inserts for wall/ceiling brackets |
DIMENSIONS AND WEIGHT |
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| DIMENSIONS | (W) 256mm x (H) 410mm x (D) 252mm (W) 10.1ins x (H) 16.1ins x (D) 9.9ins |
| WEIGHT | 9.5kg (21lbs) |
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