Стандарты к звуковой аппаратуре разработаны неправительственной организацией Deutsches Institut für Normung (DIN)

DIN 45000 и DIN 45500

Цель: стандартизация для лучшей интеграции рынка товаров и услуг в Германии и на международном рынке.

DIN 45500-1
High fidelity audio equipment and systems; minimum performance requirements.
DIN 45500-10
High fidelity audio equipment and systems; minimum performance requirements for headphones.
DIN 45500-2
Hi-Fi technics; requirements for tuner equipments.
DIN 45500-3
Hi-Fi technics; requirements for disk record reproducing equipments.
DIN 45500-4
High fidelity audio equipment and systems; minimum performance requirements for magnetic recording and reproducing equipment.
DIN 45500-5
High fidelity audio equipment and systems; minimum performance requirements for microphones.
DIN 45500-6
High fidelity audio equipment and systems; minimum performance requirements for amplifiers.
DIN 45500-7
Hi-Fi-technics; requirements for loudspeakers.
DIN 45500-8
Hi-Fi technics; requirements for sets and systems.

Есть ли свой,отдельный стандарт,которому должны соответствовать параметры (характеристики) ММ головок ?