ResonantLive Sound Archive

Equipment file · Two-way horn-loaded loudspeaker

Imperial horn system

Jensen · 1929; reworked 1956

Evidence status · documented

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

Jensen first used the Imperial name in 1929 for a two-way system with separate woofer and tweeter. The 1956 Imperial Reproducer used a folded back-loaded horn for a 15-inch driver, following Jensen's 1952 technical bulletin on such horns.

Introduced
1929; reworked 1956
Category
Two-way horn-loaded loudspeaker
Intended use
Hi-fi reproduction, later studio monitoring
Production
Jensen Radio Manufacturing, Chicago

Why it mattered

  1. 01

    An early branded two-way system separating bass and treble.

  2. 02

    Its horn cabinet lineage carried into studio monitoring.

Engineering record

Drivers
Separate woofer and tweeter, from 1929[1]
1956 cabinet
Folded back-loaded horn for a 15-inch driver[2]

Original pricing

No reliable period price located

2026 equivalent

Not calculated without a reliable original price.

Public price evidence was not sufficient to publish a defensible original figure.

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. 1Jensen: The Man, the Company, ConclusionPS Audio Copper · reference · 2016
  2. 2Jensen G-610 triaxial loudspeaker informationaafradio.org · reference

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