SYSTEM
Frequency Response (-3dB) (1) 85 Hz - 50 kHz
Frequency Range (-10dB) (1)
BM back can model 74 Hz - 54 kHz
Frequency Range (-10dB) (1)
PI fitted with back can 70 Hz - 54 kHz
System Sensitivity (1W @1m) (2) 89 dB (1 W = 4 V for 16 Ohms)
Nominal Coverage Angle 90 degrees conical
Power Handling (3) Average: 60W
Programme: 120W
Peak: 240W
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) 70V: 30 W (165 O) / 15 W (330 O) / 7.5 W (660 O) / 3.75 W (1320 O) / OFF & low impedance operation
100V:30 W (330 O) / 15 W (660 O) / 7.5 W (1320 O) / 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
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
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:4.10 kg (9.03 lbs) approx
CMS 503DC PI: 3.1 kg (6.83 lbs) approx
CMS 503 PI Backcan: 3 kg (6.61 lbs) approx
Included Accessories C Ring
Tile bridge
Paint mask
Cutout template
Grille
Optional Accessories Plaster (Mud) ring
Packed Quantity 2