Based in Norway, DNH have been designing and manufacturing loudspeakers for industrial and commercial application since 1946. This selection of flare designs are suitable for alarm where a larger coverage is required.
A 100W driver unit often combined with DH-30 or DH-40 flare via a threaded UNEF 1 3/8-18 connection. DS-100 is an 8ohm version whilst DST-100 is a 100V line version. The driver has an M20 cable gland for cable entry and is compatible with cable of 8-13mm in diameter. Termination is via screw terminals inside the drive unit. DST-100 has taps for 100/60/30/15/7.5w.
Material: Aluminium alloy. Colour: Grey, RAL7035. IP rating: 67. Rated power: 100w. SPL: 112dB, 1W/1m; 132dB, rated power/1m. Frequency range: 200Hz – 5.5kHz. Weight: 2.4kg. Dimensions (Diam x D): 128 x 176mm.
DH-30
A round flare with a bell diameter of 325mm, manufactured from fiberglass laminated polyester, and mounted via bracket. Colour is RAL7035 grey.
Dimensions (Diam. x D): 325 x 345mm. Weight: 3.6kg
A round flare with a bell diameter of 508mm, manufactured from fiberglass laminated polyester, and mounted via bracket. Colour is RAL7035 grey.
Dimensions (Diam. x D): 508 x 505mm. Weight: 5.15kg
A 40W driver unit often combined with TUNNEL 500 flare via a threaded UNEF 1 3/8-18 connection. DUP-40 is an 8ohm version whilst DUP-40T is a 100V line version. The driver has an M20 cable gland for cable entry and is compatible with cable of 8-13mm in diameter. Termination is via ceramic screw terminals inside the drive unit. DST-100 has taps for 40/23/15/12/6/3w.
DUP-40T is available in EN54-24 certified bundle with TUNNEL 500 as TUNNEL 500/DUP-40-54T.
Material: Plastic V0 halogen free. Colour: Black. IP rating: 67. Rated power: 40w. SPL: 113dB, 1W/1m; 127dB, rated power/1m. Frequency range: 250Hz – 8.125kHz. Weight: 1.2kg. Dimensions (Diam. x D): 110 x 169mm.
A flare measuring 1160mm front to back, designed for use in tunnels when combined with DUP-40 or DUP-40T. This black flare is surface mounted via two brackets, each with three 6mm diameter mounting holes. The loudspeaker has a dispersion of 40/35-degrees, an operating temperature of between -50 to 90 degrees Celsius, and an IP rating of 67.
TUNNEL 500/DUP-40-54T is a combination of Tunnel 500 and DUP-40T which has been tested and certified to EN54-24 standards.
Material: Plastic V0 halogen free. Colour: Black. IP rating: 67. Dispersion: 40/35 degrees. Weight: 11.8kg. Dimensions (HxWxD): 310 x 55 x 1160mm, without bracket.