Joseph Tejeda Posted January 23, 2016 Share Posted January 23, 2016 Hi Guys! I've found some decently priced Source Fours (HID 150w) and I'm looking for anyone with experiences or opinions on the HID version of the source fours. I understand they are not dimmable and have a cri of about 85, so I'm debating whether to purchase the more expensive tungsten version or get the cheaper HID version available. I plan on using them to create "harsh daylight" through windows and maybe as a bounced key etc. Looking for any thoughts/experiences/suggestions. Thank you. Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted January 23, 2016 Premium Member Share Posted January 23, 2016 If they take the same G12-based CDM as the PAR variant, you can put better lamps in them. The Philips CDM-T 150W/942 is advertised as 4200K and 96CRI, although bear in mind that CRI can be misleading. Cool Lights sells a 6000K CDM-compatible quartz discharge lamp, but I haven't used it and I don't know how well it matches, for instance, with HMI. I have no idea why the tungsten ones would be more expensive. The opposite is usually true. P Link to comment Share on other sites More sharing options...
Joseph Tejeda Posted January 23, 2016 Author Share Posted January 23, 2016 Hi Phil, thank you! You helped shape my decision and the lamps you suggested do work with these Source Fours. Link to comment Share on other sites More sharing options...
JB Earl Posted February 5, 2016 Share Posted February 5, 2016 FWIW here's a quick color test with Coollights 5000K lamp in a S4 CDM par. I think they work pretty well together. Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted February 7, 2016 Premium Member Share Posted February 7, 2016 I think they're rather useful. As a card-carrying nerd and tinkerer, this won't interest everyone, but - there's a way to make these things hot-startable, at least with certain bulbs. It doesn't work with all of them. P Link to comment Share on other sites More sharing options...
JB Earl Posted February 24, 2016 Share Posted February 24, 2016 I used these once on a commercial where the director wanted me to flick it on and off (like you would do with a hotlight) so he could see the effect. I don't imagine that would work even on a hot strikeable one, but it would still be useful Link to comment Share on other sites More sharing options...
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