{"title":"Replacement Lamps \u0026 LED Retrofits","description":null,"products":[{"product_id":"etc-s4wrddg120-a","title":"ETC S4WRDDG120-A Source 4WRD II Daylight Gallery LED Retrofit Upgrade | Edison","description":"\u003cp\u003eThe ETC S4WRDDG120-A is a Source Four LED retrofit designed for users who want to modernize existing luminaires without replacing the full fixture. By replacing the standard burner assembly, it converts an HPL-based Source Four to a white-light LED source while helping reduce power draw and ongoing maintenance demands. The upgrade is nondestructive, installs in less than a minute, and in many cases can be completed without disturbing the fixture focus.\u003c\/p\u003e\u003cp\u003eThis makes it a practical choice for theaters, houses of worship, schools, hospitality venues, retail spaces, exhibition centers, meeting rooms, and clubs that need to improve efficiency while keeping familiar Source Four infrastructure in service. It supports theatrical dimming over DMX or line dimming with a traditional LED curve, allowing it to fit into a range of installed and production environments. Because the light source is LED-based, fixtures operate cooler and avoid routine lamp replacement cycles, which can simplify upkeep across larger inventories.\u003c\/p\u003e","brand":"Electronic Theatre Controls, Inc.","offers":[{"title":"Default Title","offer_id":52227067478200,"sku":"126376","price":774.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/126376_ETCS4WRDDG120-ASource4WRDIIDaylightGalleryLEDRetrofitUpgradeEdison_alt0.jpg?v=1782943226"},{"product_id":"etc-s4wrdt120-a","title":"ETC S4WRDT120-A Source 4WRD LED Retrofit Upgrade | Edison","description":"\u003cp\u003eThe ETC S4WRDT120-A is a Source Four white-light LED retrofit designed for facilities and production teams that want to modernize existing fixtures without replacing the full luminaire. By replacing the standard burner assembly, it converts an HPL-based Source Four into an LED fixture while supporting a fast, nondestructive upgrade path. In many installations, the change can be completed in less than a minute and often without disturbing fixture focus, making it practical for active theatres, worship spaces, schools, hospitality venues, and meeting environments.\u003c\/p\u003e\u003cp\u003eThis retrofit is well suited to energy-saving projects where maintaining an established Source Four inventory matters. It supports theatrical dimming via DMX or line dimming with a traditional LED curve, giving integrators and lighting teams flexibility across permanent installations and performance spaces. As an LED source, it also helps reduce ongoing maintenance demands associated with lamp-based operation.\u003c\/p\u003e\u003cp\u003eFor venues seeking a more efficient white-light solution from existing Source Four fixtures, the S4WRDT120-A offers a straightforward path to cooler-running operation and lower power consumption while preserving the familiar fixture platform already in service.\u003c\/p\u003e","brand":"Electronic Theatre Controls, Inc.","offers":[{"title":"Default Title","offer_id":52227146743992,"sku":"122153","price":718.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/122153_ETC-S4WRDT120-A-Source-4WRD-LED-Retrofit-Upgrade-_-Edison_ALT01.jpg?v=1783011182"},{"product_id":"etc-s4wrdt120","title":"ETC S4WRDT120 Source 4WRD II LED Retrofit Upgrade | No Connector","description":"\u003cp\u003eThe ETC Source 4WRD II LED retrofit is engineered for lighting professionals who need to modernize existing Source Four inventory without replacing entire fixtures. The nondestructive installation takes under a minute and, in most cases, can be completed without disturbing the fixture's focus — a critical advantage for theatres, houses of worship, and hospitality venues operating on tight changeover windows.\u003c\/p\u003e\u003cp\u003eFor integrators and production electricians, the S4WRD II addresses the full range of installed lighting scenarios: DMX control over RDM-capable networks via RJ45, line dimming compatibility, and a traditional LED dimming curve that behaves predictably on conventional dimming infrastructure. With selectable color temperatures spanning 3200K and 5900K across 80 and 90+ CRI options, it suits everything from theatrical stages to retail environments demanding accurate color rendering.\u003c\/p\u003e\u003cp\u003eOperating at 150W typical on 120V versus a standard HPL lamp, the retrofit delivers meaningful energy savings across large fixture counts — up to 14 units per 20A switched circuit. The die-cast aluminum construction and active thermal management keep fixtures running cool without lamp replacements, reducing ongoing maintenance overhead for universities, exhibition centers, and permanent installations where access is limited.\u003c\/p\u003e\n","brand":"Electronic Theatre Controls, Inc.","offers":[{"title":"Default Title","offer_id":52446375477432,"sku":"54311","price":692.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/141259_ETCS4WRDCII_ALT1.jpg?v=1783698112"},{"product_id":"etc-s4wrdt120-c","title":"ETC S4WRDT120-C Source 4WRD LED Retrofit Upgrade | Twist Lock","description":"\u003cp\u003eThe ETC S4WRDT120-C is a Source Four white-light LED retrofit designed for facilities and production teams that want to modernize existing fixtures without replacing the full luminaire. By replacing the standard burner assembly, it converts an HPL-based Source Four into an LED fixture while supporting a fast, nondestructive upgrade path. In many installations, the change can be completed in less than a minute and often without disturbing fixture focus, making it practical for active theatres, worship spaces, schools, hospitality venues, and meeting environments.\u003c\/p\u003e\u003cp\u003eThis retrofit is well suited to energy-saving projects where maintaining an established Source Four inventory matters. It supports theatrical dimming via DMX or line dimming with a traditional LED curve, giving integrators and lighting teams flexibility across permanent installations and performance spaces. As an LED source, it also helps reduce ongoing maintenance demands associated with lamp-based operation.\u003c\/p\u003e\u003cp\u003eFor venues seeking a more efficient white-light solution from existing Source Four fixtures, the S4WRDT120-C offers a straightforward path to cooler-running operation and lower power consumption while preserving the familiar fixture platform already in service.\u003c\/p\u003e","brand":"Electronic Theatre Controls, Inc.","offers":[{"title":"Default Title","offer_id":52450471379128,"sku":"126355","price":718.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/126355_ETC-S4WRDT120-C-Source-4WRD-LED-Retrofit-Upgrade-_-Twist-Lock_ALT01.jpg?v=1783009529"},{"product_id":"etc-s4wrdcii-a","title":"ETC S4WRDCII-A Source 4WRD Color II LED Upgrade | Eddison","description":"\u003cp\u003eThe ETC S4WRDCII-A Source 4WRD Color II is a static wash LED retrofit designed to convert an existing Source Four incandescent profile into a color-mixing fixture without replacing the entire luminaire. This approach is well suited to venues that want to modernize installed inventory, reduce maintenance, and expand creative flexibility while keeping familiar Source Four bodies in service. With RGBA color mixing and DMX control, it supports fast scene changes and a broader range of stage looks than a traditional lamp-and-gel workflow.\u003c\/p\u003e\u003cp\u003eFor theatres, houses of worship, schools, hospitality spaces, retail environments, exhibition centers, meeting rooms, and clubs, this upgrade offers a practical path to lower energy use and fewer service interruptions. The retrofit is nondestructive and can be completed in less than five minutes, making it useful for phased upgrades across larger systems. Source 4WRD Color II uses switched 100–240 VAC power and is intended for installations that need dependable color wash performance from existing Source Four infrastructure.\u003c\/p\u003e","brand":"Electronic Theatre Controls, Inc.","offers":[{"title":"Default Title","offer_id":52450742862008,"sku":"138975","price":748.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/139875_ETCS4WRDCII-BSource4WRDColorIILEDUpgradeStagePin_1_61aea350-1e42-454e-a535-1221519d9d7d.jpg?v=1778860999"},{"product_id":"etc-s4wrdcii","title":"ETC S4WRDCII Source Four LED Retrofit Watt Reduction Device","description":"\u003cp\u003eThe ETC S4WRDCII Source 4WRD Color II is engineered for lighting directors, integrators, and facilities managers who need to modernize existing ETC Source Four inventory without replacing the full fixture. The retrofit installs in under a minute by swapping out the HPL burner assembly — a nondestructive process that in most cases preserves the fixture's existing focus. For venues running large Source Four inventories, this translates directly into reduced labor cost and zero disruption to an established rig.\u003c\/p\u003e\u003cp\u003eDesigned for theatrically demanding environments, the S4WRDCII supports DMX control via RDM-enabled RJ45 or line dimming, with a traditional LED dim curve suited to live performance, broadcast, houses of worship, and hospitality installs. Color temperatures span 3200K at 80 or 90+ CRI through 5900K at 90+ CRI, covering the full range from warm theatrical looks to accurate daylight matching. The source is rated beyond 45,000 hours to L70, eliminating the recurring cost and downtime associated with HPL lamp maintenance.\u003c\/p\u003e\u003cp\u003eCompared to simply running Source Four fixtures on HPL, the S4WRDCII cuts typical consumption to 150W at 120V while keeping full optical compatibility — swappable lens tubes from 5 to 90 degrees, pattern projection in A or B size, and the same 79mm gate. For permanent installs in theatres, universities, exhibition centers, and meeting rooms, this combination of low operating cost, fixture preservation, and professional dimming performance makes it the practical upgrade over both new-fixture replacement and HPL continuation.\u003c\/p\u003e","brand":"Electronic Theatre Controls, Inc.","offers":[{"title":"Default Title","offer_id":52450793652408,"sku":"141259","price":720.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/141259_ETCS4WRDCII_ALT1.jpg?v=1783698112"}],"url":"https:\/\/soundpro.com\/collections\/replacement-lamps-led-retrofits.oembed","provider":"SoundPro","version":"1.0","type":"link"}