Quick Start Guide

122 CMS 3.0 Series Quick Start Guide 123
Technical Specications
CMS 803DC Models CMS 803DCQ Model
Performance
Frequency response (-3 dB)
(1)
47 Hz - 30 kHz BM Backcan 47 Hz - 30 kHz
Frequency range (-10 dB)
(1)
40 Hz - 35 kHz BM Backcan
Frequency range (-10 dB)
(1)
41 Hz - 35 kHz PI Backcan
System sensitivity (1 W @ 1 m)
(2)
92 dB (1 W = 4 V for 16 Ohms) 93 dB (1 W = 4 V for 16 Ohms)
Nominal Coverage Angle 90 degrees conical 60 degrees conical
Power Handling
(3)
Average 90 W
Programme 180 W
Peak 360 W
Recommended Amplifier Power 180 W @ 16 Ohms
Nominal Impedance (Lo, Z) 16 Ohms
Rated maximum SPL
Average 112 dB 113 dB
Peak 118 dB 119 dB
With THP60 - Average 110 dB 111 dB
Transformer Taps (via front rotary switch)
70 V 60 W (83 Ω) / 30 W (165 Ω) / 15 W (330 Ω) / 7.5 W (660 Ω) / OFF & low impedance operation. Refer to Note 4.
100 V 60 W (165 Ω) / 30 W (330 Ω) / 15 W (660 Ω) / OFF & low impedance operation. Refer to Note 4.
Transducers
Dual Concentric point source driver 1 x 200 mm (8.0") Dual Concentric driver, using Omnimagnet technology
Low Frequency 44 mm (1.75") voice coil, treated multi ber paper pulp cone
High Frequency 25 mm (1.00") PEI dome
Physical
Enclosure
Backcan Zinc plated steel
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 Security toggle clamp Min / Max clamping range 9.5 mm (0.37") / 60 mm (2.36") Recommended clamp torque: 1.5 Nm
Backcan Options
Blind Mount (BM) Complete with xed backcan —
Pre Install (PI) Separate backcan for pre-installation —
Cable Entry Options Cable clamp & squeeze connector for conduit up to 22 mm
Conduit Knockouts on PI Backcan 3 Sets of horizontal positions 19 / 22 / 28 mm (0.75" / 0.87" / 1.10")
Connectors Removable locking connector with screw terminals with “loop through” facility
Compliance UL-1480, UL-2043, CE
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
4. The 70/100 V transformer for the CMS 803DC PI is mounted in the optional PI Backcan.
A full range of measurements, performance data, CLF and Ease Data for CMS 803DC/CMS 803DCQ 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.
CMS 803DC Models CMS 803DCQ Model
Physical
Dimensions
Bezel diameter 319.0 mm (12.56")
Front of ceiling to rear of backcan — 310.5 mm (12.22")
Front of ceiling to top of safety loop — 327.7 mm (12.90")
BM Model: Front of ceiling to rear of backcan 310.5 mm (12.22") —
BM Model: Front of ceiling to top of safety loop 327.7 mm (12.90") —
PI Model: Front of ceiling surface to rear of speaker unit 125.6 mm (4.94") —
PI Model: Front of accessory backcan bezel to top of
safety loop
168.5 mm (6.63") —
Hole cutout diameter (all models) 295 mm (11.61")
Net Weight (ea) — 8.5 kg (18.74 lbs)
CMS 803DC BM 8.5 kg (18.74 lbs) —
CMS 803DC PI 5.0 kg (11.02 lbs) —
PI Backcan 4.2 kg (9.25 lbs) —
Included Accessories C-Ring, tile-bridge kit, paint mask, cut-out template, grille
Optional Accessories Plaster (mud) ring, Arco grille
Packed Quantity 2