The Tannoy CMS403DCE is a 4" full-range directional ceiling loudspeaker featuring a dual concentric omnimagnet driver.
The Tannoy CMS403DCE is a 4" full-range directional ceiling loudspeaker featuring a dual concentric omnimagnet driver. It includes a 1.38" low-frequency driver with a treated multi-fiber paper pulp cone and a 0.79" high-frequency PEI dome. The speaker delivers a frequency response of 110 Hz to 50 kHz at -3 dB, with an extended range of 80 Hz to 54 kHz at -10 dB. It offers system sensitivity of 88 dB and a nominal coverage angle of 90°.
The unit is rated for average power handling of 60 W, program power of 120 W, and peak power of 240 W. Recommended amplifier power is 120 W at 16 Ohms. It has a nominal impedance of 16 Ohms and can produce an average SPL of 106 dB with a peak of 112 dB. Transformer taps include options for 70 V and 100 V systems.
Driver: 4" / 100 mm Dual Concentric Omnimagnet driver
Low Frequency Driver: 1.38" / 35 mm voice coil, treated multi-fiber paper pulp cone
High Frequency Driver: 0.79" / 20 mm PEI dome
Frequency Response: 110 Hz to 50 kHz at -3 dB
Frequency Range: 80 Hz to 54 kHz at -10 dB
Specifications
Box Dimensions (LxWxH)
24 x 13.1 x 12.1"
Compliance
UL-1480, UL-2043, CE
Connectors
Removable locking screw terminals with "loop thru"
Dimensions
Bezel Diameter: 8.1" / 20.1 cm Front of Ceiling to Rear of Pod: 5.81" / 14.8 cm Hole Cutout Diameter: 7.36" / 18.7 cm
Driver
4" / 100 mm Dual Concentric Omnimagnet driver
Enclosure
Back Can: Reflex loaded UL 94V-0 rated ABS Baffle: Reflex loaded UL 94V-0 rated ABS Grille: Steel, with weather resistant coating
Frequency Range
80 Hz to 54 kHz at -10 dB
Frequency Response
110 Hz to 50 kHz at -3 dB
High Frequency Driver
0.79" / 20 mm PEI dome
Low Frequency Driver
1.38" / 35 mm voice coil, treated multi-fiber paper pulp cone
Maximum SPL
Average: 106 dB Peak: 112 dB
Mount
Blind mount complete with fixed back-can
Nominal Coverage Angle
90°
Nominal Impedance
16 Ohms
Package Weight
18.165 lb
Power Handling
Average: 60 W Program: 120 W Peak: 240 W
Safety Features
Safety ring located at rear of enclosure for load bearing safety bond
System Sensitivity
88 dB (1 W = 4 V for 16 Ohms)
Transformer Taps
70 V: 30 W (165 Ohms) / 15 W (330 Ohms) / 7.5 W (660 Ohms) / 3.75 W (1320 Ohms) / OFF & low impedance operation 100 V: 30 W (330 Ohms) / 15 W (660 Ohms) / 7.5 W (1320 Ohms) / OFF & low impedance operation
Spec Sheet
