Tunnel-500 / DUP-40 DNH’s largest flare, in combination with the DUP-40 driver unit. The flare is tailor-made for alarm signaling in tunnels, and can also be offered without a driver.
DST-100-MED High powered driver in aluminum. Suitable for alarms that are to cover large areas. The audio specifications listed are for the driver in combination with DNH’s DH-50 flare.
DST-100 High powered driver in aluminum. Suitable for alarms that are to cover large areas. The audio specifications listed are for the driver in combination with DNH’s DH-50 flare.
DUP-40(T) DNH’s newest driver, with 40W and a combined transformer 100V/70V line. DUP-40(T) has an excellent SPL, and a loop in loop out system with easy access to the terminal. The audio specifications listed are for the driver in combination with DNH’s Tunnel-500 flare.
DS(T)-100 / DH-50 Driver unit DST-100 and DH-50 flare in combination. Suitable for alarms that are to cover large areas.
DH-30 This flare is the smallest version of the DH-series. To be combined with DNH’s DST-100 Driver unit.