B-640T [ETC]
Installation, Operation and Maintenance Procedures; 安装，操作和维护程序
| 型号： | B-640T |
| 厂家： | 
ETC |
| 描述： | Installation, Operation and Maintenance Procedures |
| 文件： | 总1页 (文件大小：60K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
B-640(T)
N-3770 Kragerø
NORWAY
Phone:........ (47) 35 98 56 00
Fax:............ (47) 35 98 56 10
E-mail:.............. dnh@dnh.no
Web-site: ........www.dnh.no
DNH WW Ltd. Phone: ......................................................(44) 1908 275 000
England
Fax: ..........................................................(44) 1908 275 100
E-mail: .......................................................... dnh@dnh.co.uk
DNH GmbH Phone: .....................................................(49) 040 6569 30-0
Germany
Fax: .......................................................(49) 040 6569 30-30
E-mail: .............................................................. dnh@dnh.de
ISO 9001 CERTIFIED
Transformer:
Combined
50 / 100 Volt line
5(White) : 6(Green) 50V
5(White) : 8(Red)
100V
Secondary nominal
tappings:
1 : 4
1 : 3
2 : 4
1 : 2
3 : 4
2 : 3
6,0W
3,0W
2,0W
1,5W
0,9 W
0,5 W
Rec. ceiling hole: ø 215 mm
1W/1m Pink Noise 1/3 octave bands
Material / Colour................................Aluminium / RAL9010
Mounting..................................................... 4 metal strips
Termination .................................................Spring clamps
Weight ...................................................................1,2 kg
IP-rating..........................................................................
Max. / min. amb. temp ...................................90°C / -20°C
Standard version .............................50 / 100 V transformer
Rated / max. power......................................... 6 W / 20 W
SPL 1W/1m..............................................................90 dB
SPL rated power.......................................................97 dB
Effective freq. range ....................................60 – 20000 Hz
Dispersion (-6dB) 1kHz / 4kHz............................ 140° / 50°
Directivity factor, Q...........................................................
Installation, Operation and Maintenance Procedures
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When mounting the loudspeaker please ensure that it is re-assembled in the same manner in which it was
received.
Install outer ring into the hole by bending down 4 metal strips. Use nail / screw to prevent the ring from
turning. Connect cable to terminal. Screw the loudspeaker grill clockwise into fixed position.
For optimum performance, always use the correct voltage / power and operate within the frequency limits as
stated.
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Take care when loudspeaker is energized (100 V).
This loudspeaker is supplied with a 2 year warranty against defective workmanship.
Most of our products are available in different colours, impedances and power ratings.
DNH reserves the right to alter specifications without notice.
Rev. 26.01.2000
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