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DU 31

FLUSH MOUNT WALL SPEAKER
  • Power: 8-4-2 W (100 V) / 8 W (25 V)
  • Constant voltage: 100 V, 70 V, 25 V
  • Frequency response 100 - 17000 Hz
  • 180° angle of coverage
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Features
  • Power: 8-4-2 W (100 V) / 8 W (25 V)
  • Constant voltage: 100 V, 70 V, 25 V
  • Frequency response 100 - 17000 Hz
  • 180° angle of coverage
  • Body in plastic, RAL 9002 white ivory

The DU 31 is a two way wall speaker with flexible design suitable for paging and background music for several type of installations. It is equipped with a 4" woofer and a 1" tweeter. The DU 31 includes a transformer for the connection to (100 - 70 V) constant voltage lines. A power selector 8 W, 4 W, 2 W at 100 V and a 25 V (8 W) soket make it possible to connect multiple speakers in parallel to a constant impedance line. Rear cover A1331 not included

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Part number:

13000204
DU 31
EAN 8024530006839

Specifications
Acoustical specifications
Frequency Response (-10dB):
100 Hz ÷ 17000 Hz
Max SPL @ 1m:
91 dB
Coverage angle:
180°
System Sensitivity:
82 dB
Power section
Power Handling:
8 W RMS
Peak Power Handling:
32 W PEAK
Recommended Amplifier:
16 W
Transducers
Dome Tweeter:
1.0''
Woofer:
4.0''
Input/Output section
Input connectors:
Screw Terminals
Output connectors:
Screw Terminals
Constant Voltage Transformer:
100 V
Power selection 1:
8 W - 1250 ohm
Power selection 2:
4 W - 2500 ohm
Power selection 3:
2 W - 5000 ohm
Physical specifications
Cabinet/Case Material:
Plastic
Grille:
Steel
Color:
White - RAL 9002
Size
Height:
175 mm / 6.89 inches
Width:
151 mm / 5.94 inches
Depth:
56 mm / 2.2 inches
Weight:
0.6 kg / 1.32 lbs
Shipping information
Package Height:
260 mm / 10.24 inches
Package Width:
100 mm / 3.94 inches
Package Depth:
175 mm / 6.89 inches
Package Weight:
0.89 kg / 1.96 lbs