THIELAUDIO ARCHIVE
Independent historical reference

The THIEL loudspeaker legacy, documented.

Browse legacy models, specifications, driver construction, source notes and ongoing part-number research in one searchable archive.

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THIELUltimate Performance Loudspeakers
Lineup of high-performance loudspeakers
Model library

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About the project

An independent technical archive

This prototype is built from the research database assembled for the archive. Unknown values stay blank rather than being guessed, and every researched model retains its source URL and verification status.

Research priorities

Complete production dates, original literature, individual driver service part numbers, revision/date-code ranges, compatibility, and media permissions.