The DNH B-620 and BF-620 models with T & F versions are 6 inch, 6 watt, screw fitting, flush mounting ceiling loudspeakers, manufactured from aluminium, with powder-coated white colour.
With a maximum sound pressure level of 99dB(A), this lightweight loudspeaker is designed for internal installation and is suitable for voice and background music applications. A four-step transformer is fitted to the line voltage models that allow adjustment of sound output by altering the power consumption.
Effective frequency ranges B models 90 – 20000Hz and BF models 140 – 20000Hz. These products mount directly into a false/suspended ceiling.
BF-620S(T) has the Bureau Veritas marine approval.
Typical applications include maritime installations, offices, retail outlets and airports.
This loudspeaker is available in the following standard versions:
Supplied without plastic dust box
B-620 low impedance (8 ohms or 20 ohms)
B-620T line voltage transformer (70/100V)
Supplied with plastic dust box
BF-620 low impedance (8 ohms or 20 ohms)
BF-620T line voltage transformer (70/100V)
Supplied with steel fire dome
BF-620F low impedance (8 ohms or 20 ohms)
BF-620FT line voltage transformer (70/100V)
Other impedances or transformer voltages to order.