9. Technical Specifications
28
CMS 3.0 Series Operation Manual rev 3.0.0
9. Technical Specifications
CMS 503DC Models
Performance
Frequency response (-3 dB)
(1)
BM Backcan
85 Hz - 50 kHz
Frequency range (-10 dB)
(1)
BM Backcan
74 Hz - 54 kHz
Frequency range (-10 dB)
(1)
PI Backcan
70 Hz - 54 kHz
System sensitivity (1 W @ 1 m)
(2)
89 dB (1 W = 4 V for 16 Ohms)
Nominal Coverage Angle
90 degrees conical
Power Handling
(3)
Average
60 W
Programme
120 W
Peak
240 W
Recommended Amplifier Power
120 W @ 16 ohms
Nominal Impedance (Lo, Z)
16 ohms
Rated maximum SPL
Average
107 dB
Peak
113 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
Transducers
Dual Concentric point source driver
1 x 130 mm (5.0”) Dual Concentric driver, using Omnimagnet technology
Low Frequency
35 mm (1.38”) voice coil, treated multi fiber paper pulp cone
High Frequency
20 mm (0.79”) PEI 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
188.0 mm (7.40”)
BM Model: Front of ceiling to top of safety loop
205.3 mm (8.08”)
PI Model: Front of ceiling surface to rear of
speaker unit
133.3 mm (5.25”)
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 503DC BM
4.1 kg (9.04 lbs)
CMS 503DC PI
3.1 kg (6.83 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 7420
CMS 503DC BM
White /
Paintable
8001 7430
CMS 503DC 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 503DC 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
