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
Permanent magnetic ferrite for ultra-thin loudspeaker



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