{"product_id":"da-lite-tensioned-advantage-series-78-x-139-with-hd-progressive-1-0-21800l-21800l","title":"Da-Lite Tensioned Advantage Series, 78\" x 139\" with HD Progressive 1.0 - 21800L","description":"\u003cp\u003eThe Da-Lite 21800L is a Tensioned Advantage Series ceiling recessed electric screen designed for front projection in large venue environments. This 78\" x 139\" (159\" diagonal) screen features an HD Progressive 1.0 surface, which is optimized for high-resolution projection. The unit is built with a white powder-coated case and utilizes TruGuide™ Electric Screen Tensioning to maintain a smooth, optimal viewing surface. For installation, the two-stage mounting design allows the screen case to be installed during the rough-in stage, while the surface assembly is completed during the finishing stage. This ceiling recessed application utilizes a standard 120V (60Hz) motor and includes standard low voltage control for flexible operation. The screen features a standard black drop and a slot closure door, with a black backing to help retain projected brightness on the front projection surface. This TAA compliant product is manufactured in the US.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHD Progressive 1.0 surface for high-resolution front projection\u003c\/li\u003e\n\u003cli\u003eTruGuide™ Electric Screen Tensioning system for surface smoothness\u003c\/li\u003e\n\u003cli\u003eTwo-stage installation allows case and surface to be installed separately\u003c\/li\u003e\n\u003cli\u003eStandard 120V (60Hz) motor with standard low voltage control\u003c\/li\u003e\n\u003cli\u003eTAA compliant and manufactured in the US\u003c\/li\u003e\n\u003cli\u003eUL Plenum rated case with a white powder-coated finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuestions\u003c\/h2\u003e\u003ch3\u003eWhat are the dimensions of the 21800L screen?\u003c\/h3\u003e\u003cp\u003eThe screen has a height of 78 in (198.1 cm) and a width of 139 in, providing a 159 in (403.9 cm) diagonal. It uses a standard 12-inch black drop.\u003c\/p\u003e\u003ch3\u003eDoes this screen require special mounting during construction?\u003c\/h3\u003e\u003cp\u003eThe Tensioned Advantage Series supports two-stage installation. You can install the screen case during the rough-in construction stage and the surface assembly during the finishing stage.\u003c\/p\u003e\u003ch3\u003eWhat controls are included with the 21800L?\u003c\/h3\u003e\u003cp\u003eThis model comes with standard low voltage control and a Decora-style, three-button wall switch. You can also integrate additional accessories like the DL16522 Smart Low Voltage Wall Switch.\u003c\/p\u003e\u003ch3\u003eIs the 21800L suitable for plenum environments?\u003c\/h3\u003e\u003cp\u003eYes, this screen features a UL Plenum rated case, making it suitable for specific installation requirements in ceiling spaces.\u003c\/p\u003e\u003ch3\u003eWhat accessories are compatible with this Tensioned Advantage screen?\u003c\/h3\u003e\u003cp\u003eCompatible accessories include various Da-Lite Screen Controllers (such as DL15316 or DL16525) and the DL98837 Locking Switch Cover Plate.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSpecifications are supplied by the manufacturer. For complete details, check the Resources tab.\u003c\/em\u003e\u003c\/p\u003e","brand":"Da-Lite","offers":[{"title":"Default Title","offer_id":51915155243286,"sku":"21800L","price":6999.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/3437\/6982\/files\/Tensioned_Advantage_2_bfbcf9bd-158d-47f6-beb2-8ce2965e5d35.png?v=1789974350","url":"https:\/\/avsupplies.us\/products\/da-lite-tensioned-advantage-series-78-x-139-with-hd-progressive-1-0-21800l-21800l","provider":"AV Supplies","version":"1.0","type":"link"}