Product Details CDD8TX
CDD8TX 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.
The internal 70/100 V transformer supports distributed circuits and daisy-chained loudspeakers. Its five-way connector provides the specified line taps. This version is high impedance only and has no low-impedance bypass.
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 CDD8TX
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) | 120W AES, 240W peak |
| SENSITIVITY (8) | 94dB |
| MAXIMUM SPL (9) | 115dB continuous, 121dB peak |
| NOMINAL IMPEDANCE | Line transformer taps: 42, 83, 166, 333 ohms |
| DISPERSION AT −6 dB | 110˚–80˚ horizontal, 60˚ vertical (user-rotatable) |
| CROSSOVER | 2.3kHz passive |
70/100 V TRANSFORMER |
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| TRANSFORMER SETTINGS | 70V line: 120W, 60W, 30W, 15W (no low impedance) 100V line: 120W, 60W, 30W(no low impedance) |
CONNECTIONS |
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| CONNECTORS | Terminal block with spring connections |
| 5-PIN PHOENIX CONNECTOR | 70V: Common, 15W, 30W, 60W, 120W; 100V: Common, 30W, 60W, 120W |
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 | 11.1kg (24.53lbs) |
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