T/ZZB 1566-2020
Permanent magnetic ferrite for ultra-thin loudspeaker (English Version)

Standard No.

T/ZZB 1566-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

Group Standards of the People's Republic of China

Latest

T/ZZB 1566-2020

Scope

This standard specifies the terms and definitions, classification and labeling, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of permanent ferrite for ultra-thin speakers. This standard applies to ultra-thin speakers with a thickness of 3 mm to 5 mm permanent ferrite (hereinafter referred to as speaker magnet).

T/ZZB 1566-2020 history

• 2020 T/ZZB 1566-2020 Permanent magnetic ferrite for ultra-thin loudspeaker