Quick Start Guide

128 CMS 3.0 Series Quick Start Guide 129
CMS 403DCe Model CMS 403ICTe Model
Performance
Frequency response (-3 dB)
(1)
110 Hz - 50 kHz BM Backcan 110 Hz - 22 kHz
Frequency range (-10 dB)
(1)
80 Hz - 54 kHz BM Backcan 80 Hz - 24 kHz
System sensitivity (1 W @ 1 m)
(2)
88 dB (1 W = 4 V for 16 Ohms)
Nominal Coverage Angle 90 degrees conical
Coverage Angle (1 kHz to 6 kHz) — 120 degrees
Directivity Factor (Q) — 5.26 averaged 1 kHz to 6 kHz
Directivity Index (DI) — 6.30 averaged 1 kHz to 6 kHz
Power Handling
(3)
Average 40 W
Peak 160 W
Recommended Amplifier Power 80 W @ 16 Ohms
Nominal Impedance (Lo, Z) 16 Ohms
Rated maximum SPL
Average 104 dB
Peak 110 dB
Transformer Taps (via front rotary switch)
70 V 30 W (165 Ω) / 15 W (330 Ω) / 7.5 W (660 Ω) / 3.75 W (1320 Ω) / OFF & low impedance operation
100 V 30 W (330 Ω) / 15 W (660 Ω) / 7.5 W (1320 Ω) / OFF & low impedance operation
Crossover — 7 kHz inductively coupled
Transducers
Dual Concentric point source driver
1 x 100 mm (4.0") Dual Concentric driver,
using Omnimagnet technology
100 mm (4.00") mineral loaded polypropylene
Low Frequency 35 mm (1.38") voice coil, treated multi ber paper pulp cone 19 mm (0.75") ICT aluminium dome
High Frequency 20 mm (0.79") PEI dome —
Physical
Enclosure
Backcan Reex loaded UL 94V-0 rated ABS
Bae Reex 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: 0.0 mm (0.0") / 20.0 mm (0.79")Recommended clamp torque: 1.5 Nm
Backcan
Blind Mount (BM) Complete with xed backcan —
Connectors Removable locking connector with screw terminals with “loop through” facility
Compliance UL-1480, UL-2043, CE
Dimensions
Bezel diameter 205.0 mm (8.07")
Front of ceiling to rear of pod 147.6 mm (5.81")
Hole cutout diameter 187 mm (7.36")
Net Weight (ea) 3.2 kg (7.05 lbs) 3.0 kg (6.61 lbs)
Included Accessories C-Ring, tile-bridge kit, paint mask, cut-out template, grille
Optional Accessories Plaster (mud) ring
Packed Quantity 2
Notes:
1. Average over stated bandwidth. Measured in an IEC bae in an Anechoic Chamber
2. Unweighted pink noise input, measured at 1 metre on axis
3. Long term power handling capacity as dened in EIA - 426B test A full range of measurements, performance data, CLF and Ease Data for CMS 403DCe/CMS 403ICTe can be downloaded from www.tannoypro.com.
Tannoy operates a policy of continuous research and development. The introduction of new materials or manufacturing methods may introduce variations in actual performance; however, actual performance always will equal or exceed the published specications, which Tannoy
reserves the right to alter without prior notice. Please verify the latest specications when dealing with critical applications.