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Key Features
The CT380-IDC represents the very top of the range in high performance in-ceiling speakers. A three driver design and pivoting mid & tweeter lead to superb frequency response and detail - all hidden behind the smart trimless grille.
Product Ref: 199860
Incorporating Monitor Audio’s innovative, pivoting Inverted Dual Concentric (IDC) midrange/tweeter module and 8" RST C-CAM bass driver, the three-way CP-CT380IDC represents the highest level of CP performance. The IDC module houses a 4” C-CAM inverted midrange driver surrounding a 25mm C-CAM gold dome tweeter. The entire mid/tweeter unit can be pivoted and directed towards the listening space to provide optimal imaging with excellent midrange and high frequency detail. Improved driver specialisation, higher efficiency and power handling, and greater directivity combine in the three-way models to deliver an enhanced bass foundation for a naturally coherent response up to 30kHz.
The gold dome tweeter is formed from a ceramic-coated aluminium/magnesium alloy, gold anodised to a specific thickness for ideal stiffness and damping characteristics. Its new profile and surround geometry have been developed using advanced modelling tools, to provide the optimum qualities for accurate sound reproduction. The new design moves the first order of breakup to beyond 35kHz, producing a linear response way beyond audibility, which matches the wide frequency bandwidth available from HD music and cinema sound formats.
Refined over many years by Monitor Audio, Ceramic-Coated Aluminium/Magnesium is used as a driver cone material for all our speaker designs from the mid-market models up. Originally developed by the aerospace industry for jet engine components, C-CAM's properties are ideal for loudspeaker cones being extremely rigid, yet light enough to yield high overall efficiency. C-CAM bass drivers are able to resist the bending distortion imposed by sudden and extreme bass excursions to reproduce very clean, deep and dynamic bass frequencies. Conventional cone materials are more likely to flex in operation, producing a significant level of audible distortion.
All controlled performance models feature a unique Tri-Grip fixing design. This 3-position 'dog' style fixing provides a greater contact surface area than other types, whilst saving installation time. The Tri-Grip fixings are made from a tough re-enforced polymer, giving a secure fixing without the risk of over-tightening.
Ultra-powerful Neodymium magnets hold the speaker grilles in place, allowing for easier installation and access. In-ceiling models offer the opportunity to use square and circular grilles for the ideal aesthetic result.
The Rigid Surface Technology (RST) cone profile is inspired by the Japanese art of Origami, which demonstrates how a very light material (like paper) can be strengthened and made more rigid by making small and precise folds on its surface. Monitor Audio has applied this principle in designing the CAM/RST cones for the GX and RX ranges. Developed and perfected using sophisticated computer modelling (Finite Element Analysis), the GX mid and bass driver cones have been strengthened by a series of radial ribs; the RX driver cones by a pattern of dimples. Our simulations have proved that RST significantly increases cone rigidity, allowing the radiating surfaces to resist mechanical bending forces, which can twist the shape of conventional driver cones to produce distorted sound. The strengthening effect of RST means that we can use thinner, lighter and more responsive C-CAM cones, which provide speed and accuracy while offering greatly reduced distortion. The RST patterns also help to displace standing waves that can propagate on the cone's surface.
Gold plated push type terminals make for easier installation and provide a good quality connection.
Frequency Response | 50Hz - 30kHz |
---|---|
Impedance (Nominal) | 6 Ohms |
Sensitivity (1W@1M) | 89 dB |
Maximum SPL | 109.6 dBA |
Power Handling (RMS) | 120 W |
Recommended Amp Requirements | 30 - 120 W |
Crossover Frequency / Slope | Bass low pass: 300 Hz @ 6 dB / OctaveMid: 300 Hz @ 6 dB / Octave& 3 kHz @ 12 dB / Octave |
Drivers Unit Complement | 2-Way8" C-CAM RST cone bass driver4" C-CAM IDC cone mid range driver1" C-CAM pivoting gold dome tweeter |
Adjustment Controls | HF Level Switch( +3dB / 0dB / -3dB )MF Level Switch(+3dB/ 0dB/ -3dB)Boundary Compensation Switch |
Overall Diameter(including grille) | 309 mm(12 3/16 inches) |
Overall Depth(including grille) | 187mm(7 3/8 inches) |
Cut Out Diameter | 274mm(10 13/16 inches) |
Mounting Depth | 172.80mm(7 1/8 inches) |
Fixing Type | 3 position Tri-Grip dog leg fixings |
Construction Material | Mineral Filled ABS Plastic(RoHS2 Compliant) |
Pre-Construction Bracket | CB10 (Light Brown) |
Weight | 4.3kg(9lb 8oz) |
Cable Connection | Gold plated push type terminals |