Product Description
The FHF Telephone-Hood Type 404 is an excellent protection aid to improve audibility in noisy surroundings in places where open telephones have to be installed for economic reasons. The special shape of the hood and its inner lining with sound absorbing material optimally reduces noise in the area of the telephone. The overhearing of telephone conversations from outside the hood is also impeded. The best acoustic effect is achieved with the back of the protection hood facing the noise sources or greatest noise source (see directional diagram of sound-level reduction).
The protection hood is made of sheet steel or stainless steel and lined on the inside with sound-absorbing mineral fibre boards behind a perforated plate cover.
Application Example
The FHF Telephone-Hood Type 404 is especially suitable for use in noisy work environments as it provides sound proof in places such as steel production plants. The best acoustic effect is achieved when the protection hood is mounted with its back facing the noise source.
