Martin Audio CDD12
High-Output, Coaxial Differential Dispersion System
Compact
Description
The Coaxial Differential Dispersion technology employed in the CDD12 delivers more consistent audience coverage than systems with fixed X° x Y° coverage patterns — projecting relatively more output to the rear of the audience, while having wide horizontal coverage close-up. Its innovative CDD driver achieves ‘point source’ summation of the LF and HF sections — eliminating off-axis variations in frequency response associated with non-coaxial designs. Improving on conventional coaxial designs, which can suffer from high-frequency beaming, the driver features a static waveguide that merges seamlessly with the unique cone shape — maintaining the dispersion pattern out to very high frequencies.
The LF driver has a 2.5” (65mm) voice coil and efficient motor with an aluminium demodulating ring to minimise distortion, while the HF driver utilises a 1.75” (44mm) polyimide diaphragm and features a low-compression phase-plug to reduce non-linearity.
The visually-distinctive birch plywood enclosure can be used in either horizontal (landscape) or vertical (portrait) orientation, with rotation of the driver easily accomplished by removing the screw-free, protective grille. The curved shape of the CDD12 allows it to be surface-mounted close to a wall via an optional wall bracket or suspended from a ceiling by eyebolts or a horizontal yoke option.
Finished in black (RAL9005) or white (RAL9016) as standard, the CDD12 can be supplied in any RAL colour to order.
A full-range, passive two-way system, the CDD12 should be used with a compatible controller with appropriate limiter settings to provide system protection.
When used with the DX4.0 controller or an iKON amplifier, there now enhanced DSP and FIR based pre-sets to deliver the absolute maximum performance and fidelity while limiter settings protect the integrity of the system.
CDD12 Features
- Compact, CDD™ passive two-way system
- Coaxial Differential Dispersion™ technology
- Elegant birch plywood enclosure
- User-rotatable coaxial drive unit
- Vertical and horizontal mounting options
- Screw-free perforated steel grille
- 8Ω nominal impedance
- Discreet mounting accessories
- Integral inserts for eyebolt suspension
- Black or white standard colour options
Resources & Downloads
Data sheets, manuals and resources for the CDD12
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Quick Specs
- TYPE
- Compact, high-output, Coaxial Differential Dispersion passive two-way system
- FREQUENCY RESPONSE
- 62Hz-20kHz ± 3dB, -10dB @ 50Hz
- DRIVER
- LF: 12” (300mm)/2.5” (63.5mm) voice coil, long excursion, shared ferrite motor with HF, HF: 1” (25mm) exit/1.7” (44mm) voice coil, polyimide dome compression driver
- RATED POWER
- 300W AES, 1200W peak
- RECOMMENDED AMPLIFIER
- iK81, VIA2502, VIA5002
Technical Specifications
- TYPE
- Compact, high-output, Coaxial Differential Dispersion passive two-way system
- FREQUENCY RESPONSE
- 62Hz-20kHz ± 3dB, -10dB @ 50Hz
- DRIVER
- LF: 12” (300mm)/2.5” (63.5mm) voice coil, long excursion, shared ferrite motor with HF, HF: 1” (25mm) exit/1.7” (44mm) voice coil, polyimide dome compression driver
- RATED POWER
- 300W AES, 1200W peak
- RECOMMENDED AMPLIFIER
- iK81, VIA2502, VIA5002
- SENSITIVITY
- 97dB
- MAXIMUM SPL
- 122dB continuous, 128dB peak
- NOMINAL IMPEDANCE
- 8Ω
- DISPERSION (-6dB)
- 110˚-60˚ horizontal, 60˚ vertical (user-rotatable)
- CROSSOVER
- 1.9kHz passive
- ENCLOSURE
- 38 litre, birch plywood
- FINISH
- Black or white textured paint
- PROTECTIVE GRILLE
- Black or white perforated steel with scrim cloth backing
- CONNECTORS
- Low profile 20A push-lock
- PIN CONNECTIONS
- Left to right: Input+, Input -, Link -, Link+
- FITTINGS
- 6 x M8 inserts for wall bracket, 10 x M8 fly points
- DIMENSIONS
- (W) 360mm x (H) 560mm x (D) 350mm (W) 14.17ins x (H) 22.05ins x (D) 13.78ins
- WEIGHT
- 19kg (41.89 lbs)
- ACCESSORIES
- CDDWB10/12B wall bracket black, CDDWB10/12W wall bracket white, CDDY12B yoke assembly black, CDDY12W yoke assembly white
The Coaxial Differential Dispersion technology employed in the CDD12 delivers more consistent audience coverage than systems with fixed X° x Y° coverage patterns — projecting relatively more output to the rear of the audience, while having wide horizontal coverage close-up. Its innovative CDD driver achieves ‘point source’ summation of the LF and HF sections — eliminating off-axis variations in frequency response associated with non-coaxial designs. Improving on conventional coaxial designs, which can suffer from high-frequency beaming, the driver features a static waveguide that merges seamlessly with the unique cone shape — maintaining the dispersion pattern out to very high frequencies.
The LF driver has a 2.5” (65mm) voice coil and efficient motor with an aluminium demodulating ring to minimise distortion, while the HF driver utilises a 1.75” (44mm) polyimide diaphragm and features a low-compression phase-plug to reduce non-linearity.
The visually-distinctive birch plywood enclosure can be used in either horizontal (landscape) or vertical (portrait) orientation, with rotation of the driver easily accomplished by removing the screw-free, protective grille. The curved shape of the CDD12 allows it to be surface-mounted close to a wall via an optional wall bracket or suspended from a ceiling by eyebolts or a horizontal yoke option.
Finished in black (RAL9005) or white (RAL9016) as standard, the CDD12 can be supplied in any RAL colour to order.
A full-range, passive two-way system, the CDD12 should be used with a compatible controller with appropriate limiter settings to provide system protection.
When used with the DX4.0 controller or an iKON amplifier, there now enhanced DSP and FIR based pre-sets to deliver the absolute maximum performance and fidelity while limiter settings protect the integrity of the system.
- Compact, CDD™ passive two-way system
- Coaxial Differential Dispersion™ technology
- Elegant birch plywood enclosure
- User-rotatable coaxial drive unit
- Vertical and horizontal mounting options
- Screw-free perforated steel grille
- 8Ω nominal impedance
- Discreet mounting accessories
- Integral inserts for eyebolt suspension
- Black or white standard colour options
| TYPE | Compact, high-output, Coaxial Differential Dispersion passive two-way system |
| FREQUENCY RESPONSE | 62Hz-20kHz ± 3dB, -10dB @ 50Hz |
| DRIVER | LF: 12” (300mm)/2.5” (63.5mm) voice coil, long excursion, shared ferrite motor with HF, HF: 1” (25mm) exit/1.7” (44mm) voice coil, polyimide dome compression driver |
| RATED POWER | 300W AES, 1200W peak |
| RECOMMENDED AMPLIFIER | iK81, VIA2502, VIA5002 |
| SENSITIVITY | 97dB |
| MAXIMUM SPL | 122dB continuous, 128dB peak |
| NOMINAL IMPEDANCE | 8Ω |
| DISPERSION (-6dB) | 110˚-60˚ horizontal, 60˚ vertical (user-rotatable) |
| CROSSOVER | 1.9kHz passive |
| ENCLOSURE | 38 litre, birch plywood |
| FINISH | Black or white textured paint |
| PROTECTIVE GRILLE | Black or white perforated steel with scrim cloth backing |
| CONNECTORS | Low profile 20A push-lock |
| PIN CONNECTIONS | Left to right: Input+, Input -, Link -, Link+ |
| FITTINGS | 6 x M8 inserts for wall bracket, 10 x M8 fly points |
| DIMENSIONS | (W) 360mm x (H) 560mm x (D) 350mm (W) 14.17ins x (H) 22.05ins x (D) 13.78ins |
| WEIGHT | 19kg (41.89 lbs) |
| ACCESSORIES | CDDWB10/12B wall bracket black, CDDWB10/12W wall bracket white, CDDY12B yoke assembly black, CDDY12W yoke assembly white |
About Penguin Media Solutions
Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.
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