Electrical Telecommunication Frames for round and ovale loudspeakers; dimensions
€24.39
Methods of measurement on aerial amplifiers for receiving aerials systems in the frequency range from 0,1 to 1000 MHz
€41.78
Microphons; terminology, symbols, units
Test conditions and testing procedures for microphones for type tests
€34.30
Determination of output by radio receivers and similar equipments apparatus
Hi-Fi technics; general requirements
Hi-Fi technics; requirements for tuner equipments
Hi-Fi technics; requirements for sets and systems
Hi-Fi technics; requirements for magnetic tape recording and reproducing systems in reel to reel and cassettes technique
Hi-Fi technics; requirements for magnetic tapes
Hi-Fi technics; requirements for disk record reproducing equipments
Headphones; conditions and procedures for type tests
Headphones; determination of the free-field sensitivity level by loudness comparison with a progressive sound wave
Headphones; determination of the free-field sensitivity level by loudness comparison with a reference headphone
Hi-Fi technics; requirements for microphones
