ECA 297-A
ECA 297-A 1970-JUN-01 Cable Connectors for Audo Facltes for Rado Broadcastng-Correcton Sheet
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This standard applies to 3-contact mating and locking connectors for use in audio circuits. Essentially four types of connectors are covered: male and female portable connectors for use on cables, and male and female connectors for wall or panel mounting.