DU 31 FLUSH MOUNT WALL SPEAKER
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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
![](https://www.rcf.it/documents/20128/824405/000_DU-31_front.png/56ded354-372b-fcf0-248d-3390be98d22c?version=1.0&t=1721047059627&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/001_DU-31_front.jpg/d31ad3b5-e469-c2a2-f64d-052d601e8a8a?version=1.1&t=1635953786965&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/002_DU-31_left.jpg/67fd5347-e8fa-72e5-efdb-4db35ffe8891?version=1.1&t=1635953789817&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/003_DU-31_right.jpg/ab659a1a-50cc-635e-350c-55bd64932e90?version=1.1&t=1635953792370&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/004_DU-31_open.jpg/24bc321b-16fe-3c96-4ff9-b5fa85c648c9?version=1.1&t=1635953795134&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/005_DU-31_side.jpg/8df8b6ec-5e53-e2b5-9672-2d95a7411152?version=1.1&t=1635953797624&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/006_DU-31_closeup.jpg/5ccf5be7-5a8e-f9e4-ac11-01dd3e0bbe96?version=1.1&t=1635953800654&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/007_DU-31_wall.jpg/cbf0e723-80a2-a965-0765-ea4edd740aab?version=1.1&t=1635953803465&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/008_DU-31_wall2.jpg/32a2a980-4666-e966-8a54-ad21eed944b5?version=1.1&t=1635953806325&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/000_DU-31_front.png/56ded354-372b-fcf0-248d-3390be98d22c?version=1.0&t=1721047059627&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/001_DU-31_front.jpg/d31ad3b5-e469-c2a2-f64d-052d601e8a8a?version=1.1&t=1635953786965&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/002_DU-31_left.jpg/67fd5347-e8fa-72e5-efdb-4db35ffe8891?version=1.1&t=1635953789817&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/003_DU-31_right.jpg/ab659a1a-50cc-635e-350c-55bd64932e90?version=1.1&t=1635953792370&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/004_DU-31_open.jpg/24bc321b-16fe-3c96-4ff9-b5fa85c648c9?version=1.1&t=1635953795134&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/005_DU-31_side.jpg/8df8b6ec-5e53-e2b5-9672-2d95a7411152?version=1.1&t=1635953797624&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/006_DU-31_closeup.jpg/5ccf5be7-5a8e-f9e4-ac11-01dd3e0bbe96?version=1.1&t=1635953800654&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/007_DU-31_wall.jpg/cbf0e723-80a2-a965-0765-ea4edd740aab?version=1.1&t=1635953803465&imagePreview=1)
![](https://www.rcf.it/documents/20128/824405/008_DU-31_wall2.jpg/32a2a980-4666-e966-8a54-ad21eed944b5?version=1.1&t=1635953806325&imagePreview=1)
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
Peak Power Handling
32 W PEAK
Transducers
Dome Tweeter
1 x 1.0''
Woofer
1 x 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
Standard compliance
Safety agency
CE compliant
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
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