IEEE 219-1961

IEEE 219-1961 is a superseded standard for audio and electro-acoustics, centered on loudspeaker measurements and the methods used to assess performance. It provides a technical basis for evaluating loudspeaker behavior in communication, broadcast, and signal-processing contexts, where consistent measurement helps compare designs and results. As IEEE 219-1961, it is useful for understanding historical test practice and the measurement framework applied to loudspeaker devices and systems.

About IEEE 219-1961

This standard sets out a recommended practice for measuring loudspeakers in a structured way, reflecting the technical needs of audio and electro-acoustics work in 1961. IEEE 219-1961 is relevant to engineers who need a clear reference for how loudspeaker characteristics were commonly evaluated, especially in relation to performance comparison and laboratory testing. Its focus is practical: to support more consistent measurement results across equipment, test setups, and engineering reports in the audio domain.

Where is IEEE 219-1961 used?

IEEE 219-1961 is mainly relevant in loudspeaker test environments, audio engineering laboratories, and documentation for electro-acoustic equipment. It may be used when reviewing legacy measurement methods, comparing historical test data, or interpreting older design records for loudspeakers and related components. The standard is also useful in communication and broadcast engineering workflows where acoustic output and measurement consistency matter, particularly when evaluating devices intended for speech reproduction or system verification.

Importance in practice

In practice, IEEE 219-1961 helps create a common basis for loudspeaker measurement and reporting. That matters when organizations need repeatable test results, controlled design comparisons, and reliable technical records for audio equipment. Because it is superseded, it is especially valuable in maintenance of legacy documentation, research into older designs, and procurement review where historical compliance or measurement context is important. Using a defined reference like IEEE 219-1961 can reduce ambiguity in performance evaluation.

• Loudspeaker measurement practice
• Audio and electro-acoustic testing
• Legacy engineering reference
• Performance comparison and reporting