ccarmock Posted May 14, 2005 Share Posted May 14, 2005 I recently ordered a pack of three T19 1000W 240V lamps, as I have sucessfully converted by 35mm film projector to use these lamps instead of A1/9 lamps. However when my order arrived they were T11 lamps, which have the same ratign and lamp base but are a different shape. Are they 100% compatible? My main convcern is filament position and size. Regardsclive Link to comment Share on other sites More sharing options...
Ian Ferguson Posted May 14, 2005 Share Posted May 14, 2005 The T19 was a compatable lamp that Philips designed to improve the T11. The filament is tighter and Bi-planer, in otherwords more of a "point" source than the T11. For most lighting applications this difference is hardly noticiable, but if you have converted a projector the less concentrated source may give you problems. Link to comment Share on other sites More sharing options...
Tomo Posted May 14, 2005 Share Posted May 14, 2005 I recently ordered a pack of three T19 1000W 240V lamps...[snip]However when my order arrived they were T11 lamps<{POST_SNAPBACK}>They've sent you something different to what you ordered. Complain, and get what you asked for. Link to comment Share on other sites More sharing options...
ccarmock Posted May 14, 2005 Author Share Posted May 14, 2005 Thanks Ian - so strictly speaking if you order a T19 you should get a T19 and not have it substituted for a T11? I think I need to send these back then. As you say I need a concentrated light source to use this in my projector. A true T19 works perfectly. Link to comment Share on other sites More sharing options...
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