ResonantLive Sound Archive

Equipment file · Three-way line-source array element

V-DOSC

L-Acoustics · 1992

Evidence status · verified

Claims in this file are tied to item-specific sources.

A landmark large-format line source array accompanied by a formal deployment methodology.

Introduced
1992
Category
Three-way line-source array element
Intended use
Large touring and installed concert reinforcement
Production
1992–2010s

Equipment photographs · 1

US patent 5,163,167 (1992): sound wave guide (DOSC waveguide)

1 / 1 · US patent 5,163,167 (1992): sound wave guide (DOSC waveguide)

US patent 5,163,167 (1992): sound wave guide (DOSC waveguide)·Christian Heil·Public domain (US patent)
A flown line-array loudspeaker cluster suspended from overhead truss in stage lighting and haze

A flown curved line-array hang of the kind V-DOSC helped establish.

Flown line-array cluster on truss·Ville Hyvönen·CC BY-SA 2.0

Why it mattered

  1. 01

    Commercialized a repeatable full-frequency line-source system governed by Wavefront Sculpture Technology.

  2. 02

    Made array geometry, rigging, processing presets, and prediction part of one deployment method.

Engineering record

Configuration
Each active three-way enclosure used two 15-inch LF drivers, four 7-inch MF drivers, and two 1.4-inch HF drivers feeding DOSC waveguides.[1]
Array geometry
Inter-element vertical angles were adjustable to five degrees, with 90-degree horizontal coverage.[1]

Original pricing

No reliable original price located

2026 equivalent

Not calculated without a reliable original price.

V-DOSC was delivered as a system with rigging, processing, amplification, and training rather than a simple retail box.

Use in the field

V-DOSC's 1992 arrival accelerated worldwide adoption of line arrays for professional touring.[2]

Professional reactions

Later field experience · 2004

Pakulski reported excellent results from a four-zone PA combining V-DOSC, dV-DOSC, fills and subs, using D5 onboard processing and XTA crossovers. His enthusiasm was for the complete touring chain, not an isolated loudspeaker test.

Scottie Pakulski, Duran Duran front-of-house engineerDuran Duran world tour, roughly a decade after V-DOSC’s introduction; not launch testimony. · Independent firsthand source · Paraphrased account[3]LSi Online · DiGiCo's D5 Live tames the Wild Boys

Manuals & original documents

Sources

  1. 1V-DOSC technical specificationsL-Acoustics · brochure
  2. 2What are line array speakers?L-Acoustics · reference
  3. 3DiGiCo's D5 Live tames the Wild BoysLSi Online · interview · 2004

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