Precision sound level meters
€88.00
Dimensions of plugs for hearing aids.
€11.00
IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
€44.00
Méthodes de mesure des caractéristiques des microphones - Prescriptions générales
€114.00
Amendment 3 - Processed disk records and reproducing equipment
Specification for a reference zero the calibration of pure-tone audiometers Normal threshold hearing pure tones by bone conduction
€165.00
Amendment 1 to first supplement - Recommendations for magnetic tape recording and reproducing systems: Dimensions and characteristics
Specification for a reference zero the calibration of pure-tone audiometers Data wide-band artificial ear complying with BS 4669
First supplement - Processed disk records and reproducing equipment - Methods of measuring the characteristics of disk record playing units
€127.00
Supplement B - Sound system equipment - Part 1 : General
€22.00
Sound system equipment - Part 5: Loudspeakers
€231.00
First supplement - Recommendations for magnetic tape recording and reproducing systems: Dimensions and characteristics
Simplified method for pressure calibration of one-inch condenser microphones by the reciprocity technique
Amendment 2 - Processed disk records and reproducing equipment
Specification for a reference zero the calibration of pure-tone audiometers Data certain earphones used in commercial practice
€269.00
