Hearing aids; hearing aids with automatic gain control circuits; identical with IEC 60118-2, edition 1983
€41.78
Acoustic, electroacoustic; standard frequencies for measurements
€34.30
Sclaes and sizes for plotting frequency characteristics and polar diagrams; identical with IEC 60263:1982
Hearing aids - Part 1: Hearing aids with induction pick-up coil input
€28.00
HEARING AIDS.PART 6: CHARACTERISTICS OF ELECTRICAL INPUT CIRCUITS FORHEARING AIDS.
€40.00
SOUND SYSTEM EQUIPMENT. PART 7: HEADPHONES AND EARPHONES.
€84.00
ARTIFICIAL EAR OF THE WIDE BAND TYPE FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
MECHANICAL COUPLER FOR MEASUREMENTS ON BONE VIBRATORS.
€58.00
OCCLUDED-EAR SIMULATOR FOR THE MEASUREMENT OF EARPHONES COUPLED TO THE EAR BY EAR INSERTS
€54.00
SOUND CALIBRATORS.
€47.00
ELECTROTECHNICAL VOCABULARY. ACOUSTICS AND ELECTRO-ACOUSTICS.
€110.00
ELECTROTECHNICAL VOCABULARY. ACOUSTICS AND ELECTROACOUSTICS.
ELECTROTECHNICAL VOCABULARY. ACOUSTICS AND ELECTROACUSTICS.
€0.00
ELECTROTECHNICAL VOCABULARY. ACOUSTICS AND ELECTROACUSTICS. TRANSDUCER PARAMETERS.
€62.00
AUDIOMETERS. PART 1: PURE-TONE AUDIOMETERS.
€71.00
