Measurement microphones Methods for pressure calibration of working standard by comparison
€193.00
Sound system equipment Microphones
€355.00
Sound system equipment. Headphones and earphones associated with portable audio Maximum sound pressure level measurement methodology limit considerations Matching of sets headphones if either or both are offered separately
€165.00
Specification for measurement microphones Primary method free-field calibration of laboratory standard by the reciprocity technique
€269.00
Sound system equipment Headphones and earphones
Sound system equipment Loudspeakers
€316.00
Specification for measurement microphones Specifications laboratory standard
Methods for specifying and measuring the characteristics of sound system equipment Microphones
Methods for specifying and measuring the characteristics of sound system equipment. Mechanical design features Dimensional single moving-coil (dynamic) loudspeakers
Methods for specifying and measuring the characteristics of sound system equipment Loudspeakers
Methods for specifying and measuring the characteristics of sound system equipment. Loudspeakers. Noise signals loudspeaker units systems
Specification for underground loudspeaker communication systems in coal mines
€374.00
Portable multimedia equipment. Determination of battery duration Headphones and earphones with active noise-cancelling functions