9. Technical Specifications
30
CMS 3.0 Series Operation Manual rev 3.0.0
9. Technical Specifications
CMS 503ICT Models
Performance
Frequency response (-3 dB)
(1)
BM Backcan
85 Hz - 22 kHz
Frequency range (-10 dB)
(1)
BM Backcan
74 Hz - 24 kHz
Frequency range (-10 dB)
(1)
PI Backcan
71 Hz - 24 kHz
System sensitivity (1 W @ 1 m)
(2)
89 dB (1 W = 4 V for 16 Ohms)
Nominal Coverage Angle
90 degrees conical
Coverage Angle (1 kHz to 6 kHz)
105 degrees
Directivity Factor (Q)
5.6 averaged 1 kHz to 6 kHz
Directivity Index (DI)
7.0 averaged 1 kHz to 6 kHz
Power Handling
(3)
Average
50 W
Programme
100 W
Peak
200 W
Recommended Amplifier Power
100 W @ 16 ohms
Nominal Impedance (Lo, Z)
16 ohms
Rated maximum SPL
Average
106 dB
Peak
112 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
Low Frequency
130 mm (5.00”) mineral loaded polypropylene
High Frequency
ICT aluminium dome
Physical
Enclosure
Backcan
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
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 fixed 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
Dimensions
Bezel diameter
205.9 mm (8.11”)
BM Model: Front of ceiling to rear of backcan
188.5 mm (7.42”)
BM Model: Front of ceiling to top of safety loop
205.8 mm (8.10”)
PI Model: Front of ceiling surface to rear of
speaker unit
131.7 mm (5.19”)
PI Model: Front of accessory backcan bezel to
top of safety loop
153.5 mm (6.04”)
Hole cutout diameter (all models)
190 mm (7.48”)
Net Weight (ea)
CMS 503ICT BM
3.85 kg (8.49 lbs)
CMS 503ICT PI
2.85 kg (6.28 lbs)
PI Backcan
2.6 kg (5.73 lbs)
Included Accessories
C-Ring, tile-bridge kit, paint mask, cut-out template, grille
Optional Accessories
Plaster (mud) ring, Arco grille
Packed Quantity
2
Ordering Information
Part Number
Colour
8001 7500
CMS 503ICT BM
White /
Paintable
8001 7510
CMS 503ICT PI
White /
Paintable
8001 4180
CMS 503
Zinc Plated
Plaster (Mud) Ring
Steel
8001 7550
CMS 503 PI Backcan
Zinc Plated
Steel
8001 7880
CMS 503 Arco Grille
White /
Paintable
Notes:
1.
Average over stated bandwidth. Measured in
an IEC baffle in an Anechoic Chamber
2.
Unweighted pink noise input, measured at
1 metre on axis
3.
Long term power handling capacity as defined
in EIA - 426B test
A full range of measurements, performance data,
CLF and Ease™ Data for CMS 503ICT 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
specifications, which Tannoy reserves the right to
alter without prior notice. Please verify the latest
specifications when dealing with critical applications.
Copyright (c) 2014 Tannoy Limited. All rights reserved.
UL-1480,
UL-2043
