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General Electric

General Electric PJ5055C1 Talaria Light Valve Large-Venue Video Projector

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The PJ5055C1 is part of GE’s Talaria series of large‑venue light valve video projectors introduced in the 1980s. Using a rotating oil‑coated glass disc modulated by an electron beam, it created high‑brightness imagery for theaters, arenas, and educational venues. Talaria projectors delivered vibrant output by using dichroic filters and Schlieren optics, offering superb visual quality prior to the arrival of modern digital projection technologies.

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Light valve modulation technology: Utilizes an oil‑coated glass disk scanned by an electron beam for analog image rendering.
High brightness capable: Early single‑valve models generated ~250 lumens; multi‑valve color versions reached up to 8,000 lumens.
Color via Schlieren optical system: Achieved RGB imaging using diffraction-based filtering and mechanical modulation architecture.
Large-venue design: Built for projection onto massive screens (e.g. 15×20ft) from hundreds of feet away.
Classic vintage technology: Models weighed several hundred kg, required long warm-up, and were replaced by DLP/LCD systems by the 1990s.

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About the General Electric PJ5055C1 Talaria Light Valve Large-Venue Video Projector

Key Features

Light valve modulation technology: Utilizes an oil‑coated glass disk scanned by an electron beam for analog image rendering.
High brightness capable: Early single‑valve models generated ~250 lumens; multi‑valve color versions reached up to 8,000 lumens.
Color via Schlieren optical system: Achieved RGB imaging using diffraction-based filtering and mechanical modulation architecture.
Large-venue design: Built for projection onto massive screens (e.g. 15×20ft) from hundreds of feet away.
Classic vintage technology: Models weighed several hundred kg, required long warm-up, and were replaced by DLP/LCD systems by the 1990s.

General Electric PJ5055C1 Talaria Light Valve Large-Venue Video Projector Specs

Key Features

Light valve modulation technology: Utilizes an oil‑coated glass disk scanned by an electron beam for analog image rendering.
High brightness capable: Early single‑valve models generated ~250 lumens; multi‑valve color versions reached up to 8,000 lumens.
Color via Schlieren optical system: Achieved RGB imaging using diffraction-based filtering and mechanical modulation architecture.
Large-venue design: Built for projection onto massive screens (e.g. 15×20ft) from hundreds of feet away.
Classic vintage technology: Models weighed several hundred kg, required long warm-up, and were replaced by DLP/LCD systems by the 1990s.