ResonantLive Sound Archive

Equipment file · Acoustic measurement system

TEF analyser

Crown / Techron · Early 1980s

Evidence status · documented

Identity and core specifications are documented; some historical fields remain unavailable.

Time-delay spectrometry analyser based on Richard Heyser’s 1967 method; separated direct sound from reflections.

Introduced
Early 1980s
Category
Acoustic measurement system
Intended use
Acoustic measurement system
Production
Early 1980s

Why it mattered

    Engineering record

    No technical figures are published here until a working source confirms them.

    Original pricing

    Not documented

    2026 equivalent

    Not calculated without a reliable original price.

    No sourced price has been located.

    Use in the field

    No named deployment could be tied to this exact item by a checked source yet. Know of one? Suggest it on the contribute page.

    Manuals & original documents

    No authoritative manual or original document has been located for this profile.

    Sources

    1. 1Audio Breakthroughs with TEF AnalysisTV Technology · reference · link pending

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