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Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (Endorsed by AENOR in November of 2011.)
WITHDRAWN published on 31.10.2023
Selected format:Sound system equipment - Part 3: Amplifiers
WITHDRAWN published on 25.9.2002
Selected format:Sound system equipment - Part 3: Amplifiers (Endorsed by AENOR in August of 2013.)
WITHDRAWN published on 31.5.2021
Selected format:Sound system equipment -- Part 4: Microphones. (Endorsed by AENOR in November of 2001.)
WITHDRAWN published on 1.3.2007
Selected format:Sound system equipment -- Part 4: Microphones (Endorsed by AENOR in June of 2004.)
WITHDRAWN published on 1.7.2013
Selected format:Sound system equipment - Part 4: Microphones
WITHDRAWN published on 25.7.2017
Selected format:Sound system equipment - Part 4: Microphones (Endorsed by AENOR in October of 2014.)
WITHDRAWN published on 18.10.2021
Selected format:SOUND SYSTEM EQUIPMENT. PART 5:LOUDSPEAKERS.
WITHDRAWN published on 17.10.1997
Selected format:SOUND SYSTEM EQUIPMENT. PART 7: HEADPHONES AND EARPHONES.
WITHDRAWN published on 22.8.1997
Selected format:LOW-VOLTAGE FUSES. PART 1: GENERAL REQUIREMENTS.
WITHDRAWN published on 21.10.1994
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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