Tannoy CMS801DC-PI

8" Ceiling Speaker, Dual Concentric Driver, Pre-Install**

OUR PART #:  CMS801DC-PI Write the First Review.

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The Tannoy CMS801 DC is still extremely compact given it's larger format. This full bandwidth, high power and high sensitivity ceiling monitor system that is specifically designed for applications requiring the combination of higher output levels as well as premium sonic quality for music and speech reinforcement, exceptional intelligibility and long term reliability.

The design comprises a 200mm (8.00”) Dual Concentric™ transducer mounted in a rigidly constructed injection moulded. vented front baffle. This is manufactured from paintable UV/weather resistant UL94V-0 ABS material. Spring loaded self-aligning clamps make for quick and easy installation as well as ensuring a secure, performance enhancing bond with the ceiling material. All models are supplied with two tile support rails and one C-ring included in the package.

The CMS801 DC is equipped with a low insertion loss 60W line transformer easily configurable to the following settings via front baffle mounted rotary tapping switch:

70V systems: 60W / 30W / 15W / 7.5W / OFF & low Impedance operation

100V systems: 60W / 30W / 15W / OFF & low Impedance operation


  • Frequency Range (-10dB) (1): PI Back can 41Hz - 35kHz
  • System Sensitivity (1W @1m) (2): 92dB (1W = 2.83V for 8 Ohms)
  • Nominal Coverage Angle: 90 degrees conical
  • Coverage Angle (1kHz to 6kHz): 100 degrees
  • Directivity Factor (Q): 5.5 averaged 1kHz to 6kHz
  • Directivity Index (DI): 7.2 averaged 1kHz to 6kHz
  • Rated Maximum SPL (average): 112dB
  • Peak: 118dB
  • Average: 110dB (with THP60)
  • Power Handling (3) Average: 90W
  • Programme: 180W
  • Peak: 360W
  • Recommended Amplifier Power 180W @ 8 Ohms
  • Nominal Impedance 8 Ohms
  • Transformer Taps (via front rotary switch) 70V: 60W / 30W / 15W / 7.5W / OFF & Low Impedance operation
  • Crossover: 2kHz - 2nd order LF, 2nd order HF (with dynamic HF protection)


  • Low Frequency 1 x 200mm (8.00") Dual Concentric™ constant directivity driver with multi fibre paper pulp cone
  • High Frequency 1 x 25mm (1.00") titanium dome with neodymium magnet system


  • Enclosure Back Can: Zinc plated steel
  • Baffle: Reflex loaded UL 94V-0 rated ABS Grille: Steel, with weather resistant coating
  • Safety Features Safety ring located at rear of enclosure for load bearing safety bond
  • Clamping Design Min / Max clamping range: 0.0mm (0.0") / 20.0mm (0.79")
  • Recommended clamp torque: 1.5Nm
  • Back Can Options Blind Mount (BM): Complete with fixed back can
  • Pre Install (PI): Separate back can for pre installation
  • Cable Entry Options Cable clamp & squeeze connector for conduit up to 22mm
  • Conduit Knockouts 3 Sets of horizontal positions: 19 / 22 / 28mm 0.75 / 0.87 / 1.10"
  • Connectors Removable locking connector with screw terminals with "loop through" facility


Pictured with a Back Can, which is NOT INCLUDED in the -PI version

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