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B-640

DNH
Part Number B-640
Manufacturer DNH
Description Installation / Operation and Maintenance Procedures
Published May 9, 2007
Detailed Description B-640(T) N-3770 Kragerø NORWAY Phone: ... (47) 35 98 56 00 Fax: .. (47) 35 98 56 10 E-mail: ......
Datasheet PDF File B-640 PDF File

B-640
B-640

Overview
B-640(T) N-3770 Kragerø NORWAY Phone: .
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(47) 35 98 56 00 Fax: .
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(47) 35 98 56 10 E-mail: .
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dnh@dnh.
no Web-site: .
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www.
dnh.
no DNH WW Ltd.
Phone: .
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(44) 1908 275 000 England Fax: .
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(44) 1908 275 100 DNH GmbH Germany Phone: .
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(49) 040 6569 30-0 Fax: (49) 040 6569 30-30 E-mail: .
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dnh@dnh.
de E-mail: .
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dnh@dnh.
co.
uk ISO 9001 CERTIFIED Transformer: Combined 50 / 100 Volt line 5(White) : 6(Green) 50V 5(White) : 8(Red) 100V Secondary nominal tappings: 1:4 6,0W 1:3 3,0W 2:4 2,0W 1:2 1,5W 3:4 0,9 W 2:3 0,5 W Rec.
ceiling hole: ø 215 mm 1W/1m Pink Noise 1/3 octave bands Material / Colour.
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Aluminium / RAL9010 Mounting .
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4 metal strips Termination .
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Spring clamps Weight .
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1,2 kg IP-rating .
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Max.
/ min.
amb.
temp 90°C / -20°C Standard version .
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50 / 100 V transformer Rated / max.
power .
6 W / 20 W SPL 1W/1m.
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90 dB SPL rated power97 dB Effective freq.
range .
60 – 20000 Hz Dispersion (-6dB) 1kHz / 4kHz .
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140° / 50° Directivity factor, Q.
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Installation, Operation and Maintenance Procedures When mounting the loudspeaker pl...


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