Based in Norway, DNH have been designing and manufacturing loudspeakers for industrial and commercial application since 1946. Below is a selection of loudspeakers that have been tested and approved to EN54-24 certification and are therefore applicable for use in fire alarm systems.
DNH CAP-15-54T is an EN54-24 certified, 15 watt, IP54 weatherproof projector speaker manufactured from aluminium and designed for fire alarm and emergency systems. An M20 cable gland allows entry to the cable termination, which is via screw terminal. Mounting is by way of integrated foot bracket with 7mm diameter fixing holes. CAP-15-54T has 100V line taps of 4W, 7.5W, and 15W.
Material: Aluminium anodized. Rated power: 15W. SPL: 77dB, 1W/1m; 88dB, 15W/4m. Frequency range: 100Hz – 10kHz. Weight: 2.2kg, with transformer. Dimensions (HxWxD): 146 x 154 x 200mm.
DNH DSP-15-54T is a plastic manufactured horn with a rated power output of 15W and a maximum sound pressure level of 106dB at 1W/1m. This horn has been designed for use in fire and emergency announcement and is tested and certified to EN54-24 standards. A U shape bracket with three 7mm diameter fixing holes is provided.
Material: Ronfalin. Colour: Grey, RAL 7035. IP rating: 67. Rated power: 15W. Maximum power: 15W. SPL: 106dB, 1W/1m; 117dB, rated power/1m. Frequency range: 100Hz – 11kHz. Weight: 1.8kg. Dimensions (HxWxD): 144 x 186 x 207mm.
Like HP-10T but EN54-24 tested and approved.
Material: Plastic. Colour: Grey, RAL 7035. Rated power: 10W. SPL: 106dB, 1W/1m; 116dB, rated power/1m. Frequency range: 100Hz – 11kHz. Weight: 1.1kg. Dimensions (HxWxD): 139 x 139 x 200mm, excluding bracket.
MH-30-54T has the same properties as MH-30T however it is EN54-24 tested and approved.
Material: Plastic. Colour: Grey, RAL 7035. Rated power: 30W. SPL: 104dB, 1W/1m; 118dB, rated power/1m. Frequency range: 140Hz – 16kHz. Dispersion: 65/30-degree, 1kHz. Weight: 3.9kg. Dimensions (HxWxD): 252 x 362 x 310mm, excluding bracket.
SAFE-561-54T has the same features as SAFE-561T however it is EN54-24 tested and certified, and has an IP rating of 32C.
Material: Steel/aluminium. Colour: White, RAL 9010. Rated power: 6W. SPL: 90dB, 1W/1m; 97dB, rated power/1m. Frequency range: 100Hz – 13kHz. Weight: 1.2kg. Dimensions (HxWxD): 169 x 169 x 65mm.
TUNNEL 500/DUP-40-54T is a combination of Tunnel 500 and DUP-40T which has been tested and certified to EN54-24 standards. A flare measuring 1160mm front to back, 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.
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.