EIA 221

Polarity or Phase of Microphones for Broadcasting, Recording and Sound Reinforcement

Org/Number ID	EIA 221
Alternate Organization ID / number	ANSI/EIA RS-221
Version(s)	Oct 1979
Bin #	0173
Comments	not active
Status	Present
Record last updated	April 1, 2022, 8:19 pm

This is the most recent edition of this standard.