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 Amplier 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
Bafe Reex 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
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
Orde ring In forma tion
Part N umber Colou r
8001 7500
CMS 50 3ICT BM Whit e /
Paintable
800 1 7510
CMS 50 3ICT PI Whit e /
Paintable
8001 4180
CMS 50 3 Zinc Pl ated
Plas ter (Mud ) Ring Stee l
8001 7550
CMS 50 3 PI Backcan Zinc Pl ated
Steel
8001 7880
CMS 50 3 Arco G rille Whit e /
Paintable
Notes:
1. Average ove r stated bandwidt h. Measured in
an IEC baf e in an Anechoic C hamber
2. Unweight ed pink noise inpu t, measured at
1 metre on a xis
3. Long term p ower handling cap acity as dened
in EIA - 426B test
A full ran ge of measuremen ts, performan ce data,
CLF and Ea se™ Data for CM S 503ICT can be
downloa ded from www.tann oypro.com.
Tannoy operat es a policy of contin uous research
and devel opment. The intro duction of new mater ials
or manuf acturing method s may introduce var iations
in actual p erformance; h owever, actual perfo rmance
always wil l equal or exceed th e published
speci cations, which Tanno y reserves the ri ght to
alter wit hout prior notic e. Please verif y the latest
specications when dealing with critical applications.
Copyrig ht (c) 2014 Tannoy Limited. A ll rights reser ved.
UL-1480,
UL-2043