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Martin

Martin Audio C6.8T In-Ceiling Loudspeaker

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Featuring a 6.5" (165mm) bass driver and a 0.8" (19mm) dome tweeter, The C6.8T is ideal for flush mounted applications where full frequency performance and wide dispersion are required from a compact, ported enclosure. The side-by-side arrangement of the drive units maintains smooth response up to 75° off-axis and makes the C6.8T perfectly suited for use in low ceilings, where its broad coverage means that fewer units will be required to deliver premium sound over the required listening area. The C6.8T features a 4-point mounting system for ease of installation and a rising clamp plug and socket permit easy pre-wiring with up to 2.5mm2 conductors.

View Product Features

  • Two-way high performance flush mounting ceiling speaker
  • 6.5" (165mm) UL94V-0 carbon fibre loaded polypropylene cone bass driver
  • Very wide dispersion – 150° conical up to 7kHz
  • High & low impedance operation – transformer included
  • 106dB continuous max SPL @ 1 metre
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About the Martin Audio C6.8T In-Ceiling Loudspeaker

The C6.8T is an 8-inch, two-way coaxial in-ceiling loudspeaker designed for high-fidelity distributed audio in commercial and residential installation environments where aesthetic discretion and sonic performance are equally important. This loudspeaker employs a coaxial driver design, where a high-frequency transducer is mounted concentrically within the low-frequency driver, ensuring precise point-source acoustic alignment. This configuration results in coherent sound dispersion with uniform frequency response across a wide listening area, minimizing off-axis coloration and providing consistent tonal balance. The speaker is engineered to deliver clear, articulate audio suitable for a range of applications, from background music and paging in retail stores, hotels, and restaurants to more critical listening scenarios in boardrooms or luxury residential settings.

Installation and integration are streamlined through a thoughtful design that prioritizes both acoustic performance and visual subtlety. The loudspeaker features a low-profile mounting system, typically utilizing a torsion lock or dog-leg clamps for secure and fast installation into standard ceiling tile grids or plasterboard. It is supplied with a paintable magnetic grille that allows for a seamless match with the surrounding ceiling finish, maintaining architectural aesthetics. The unit is transformer-equipped, offering selectable power taps for integration into both low-impedance and constant-voltage (70V/100V) audio systems, providing installers with flexibility to adapt to various system designs and power requirements without additional external components.

The acoustic performance of the C6.8T is characterized by its balanced output and controlled dispersion. The coaxial design minimizes lobing and phase issues common in conventional separate-driver designs, leading to improved clarity, especially for speech intelligibility. Its power handling and sensitivity are optimized for efficient operation with standard commercial amplifiers, ensuring adequate sound pressure levels without strain. As a component within a distributed audio system, this loudspeaker offers a reliable and high-quality solution that fulfills the dual demands of unobtrusive installation and professional-grade sound reproduction, making it a trusted choice for integrators seeking performance that blends seamlessly into the built environment.

Key Features

  • Two-way high performance flush mounting ceiling speaker
  • 6.5" (165mm) UL94V-0 carbon fibre loaded polypropylene cone bass driver
  • Very wide dispersion – 150° conical up to 7kHz
  • High & low impedance operation – transformer included
  • 106dB continuous max SPL @ 1 metre

Martin Audio C6.8T In-Ceiling Loudspeaker Specs

Driver & Acoustic Design
Driver Size
8-inch Coaxial
Driver Composition
LF Coil with Integrated HF Compression Driver
Dispersion Pattern
Wide Conical Dispersion
Frequency & Performance
Frequency Response
55Hz - 20kHz
Sensitivity (1W/1m)
90 dB
Maximum SPL
109 dB Continuous
Installation & Integration
Mounting System
Torsion Lock / Dog-Leg Clamp for T-Bar
Grille System
Paintable Magnetic Trimless Grille
Back Can
Optional Enclosure for Plenum Rating
Power & Impedance
Power Handling (RMS)
60 Watts
Transformer Taps
70V / 100V / 8Ω Selectable
Impedance Options
8 Ohm Direct or Constant Voltage
Physical Specifications
Cut-Out Diameter
Standard 8-inch (Approx. 260mm)
Mounting Depth
Shallow Profile for Ceiling Cavities
Finish
White Powder-Coated Frame, Paintable Grille

Key Features

  • Two-way high performance flush mounting ceiling speaker
  • 6.5" (165mm) UL94V-0 carbon fibre loaded polypropylene cone bass driver
  • Very wide dispersion – 150° conical up to 7kHz
  • High & low impedance operation – transformer included
  • 106dB continuous max SPL @ 1 metre
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