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Optoma's HD91 Projector: Farewell to That Hot Lamp.
The Achilles heel of home projectors in the past has always been the lamp - short-lived, expensive to replace and generating heat that typically needs a noisy fan to disperse. For the past five years or so a solution has been waiting in the wings. LED as an illumination source is much cooler and longer-lasting. But for any other than small unambitious projectors it's been too dim. Or far too expensive. Until now.
Like the previous two projectors I've reviewed here, the Optoma HD91 could be described as an entry-level offering. But compared to the Epson EH-TW490 and the Viewsonic PJD7820HD it's by no means cheap. This is because it's an entry into a much higher class of projector - the semi-pro home theatre category, where prices can easily run into 5 figures. The Optoma HD91 comes in at a hair under £3,000.