ResonantLive Sound Archive

Equipment file · Line array

Butterfly

Outline · 2002

Evidence status · documented

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

Outline's Butterfly centres on the C.D.H. 483 cabinet, named for its butterfly-shaped side openings, with a 3-inch driver on the patented Double Parabolic Reflective Wave Guide that turns a circular wavefront into a rectangular one. The C.D.L. 1815 low element gives cardioid bass.

Introduced
2002
Category
Line array
Intended use
Touring and installed sound
Production
Outline, Italy

Why it mattered

  1. 01

    Its DPRWG waveguide became an Outline signature, used later in the GTO.

  2. 02

    It achieved cardioid bass mechanically rather than by DSP.

Engineering record

HF waveguide
3-inch driver on a Double Parabolic Reflective Wave Guide[1]
Weight
34 kg with flying hardware[1]
LF element
C.D.L. 1815: front 18-inch and internal 15-inch for cardioid output[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. 1BUTTERFLYOutline · manual
  2. 2Butterfly OutLine Array at the PLASA ShowLSi Online · case study · 2003
  3. 3Outline's Butterfly gains U.S. patentLSi Online · archive · 2005

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