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| Is this normal? https://paulcbuff-techforum.com/viewtopic.php?f=8&t=773 |
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| Author: | gryphonphoto [ Mon Aug 09, 2010 10:22 am ] |
| Post subject: | Is this normal? |
My AB1600 is 2 weeks old today and I've noticed this - http://i39.photobucket.com/albums/e163/ ... eeTube.jpg what seems like burn residue at the start of the flashtube, is this normal? My 6 month old Interfit Stellar is completely clean at the same place on the tube, I'm a bit worried that there was a short somewhere in the system causing this and that it might fail on me during a wedding gig. TIA, Chris |
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| Author: | Technical Support [ Mon Aug 09, 2010 11:05 am ] |
| Post subject: | Re: Is this normal? |
completely normal. The squat round pieces inside the tube are collectors. They are designed to collect impurities in the gas inside the tube, as it is impossible to completely eliminate them. Once collected, they will burn and deposit in the tube at that location. In some cases, the tube may have those marks when shipped from production, due to our burn in proceedures. |
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| Author: | gryphonphoto [ Mon Aug 09, 2010 11:44 am ] |
| Post subject: | Re: Is this normal? |
Excellent, thank you :) one less thing to worry about. |
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| Author: | rms956 [ Mon Aug 09, 2010 11:56 am ] |
| Post subject: | Re: Is this normal? |
I noticed this too a while back after getting my Einstein(May), that it too had blacken in that same area. My WL X2400s I've had and used for years have a clean and clear tube in the same area. Glad to hear it is nothing to be concerned about. RMS |
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| Author: | Luap [ Mon Aug 09, 2010 12:10 pm ] |
| Post subject: | Re: Is this normal? |
Our flashtubes are made in Germany by an American company both high quality companies. To elaborate on Techs comment, there is a device at the ends of the tubes called a "getter". When the tube is produced it is blasted with high energy to purify the Xenon gas. If there are any impurities, the getter causes them to collect as a black area at the base of the tube where they have no effect on the light output or quality. Without the getter, impurities can collect on the active portion of the tube and cause darkening over time. The degree of blacken at the ends can vary from tube to tube and is of no consequence in use. |
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| Author: | Dick Hertz [ Mon Aug 09, 2010 1:54 pm ] |
| Post subject: | Re: Is this normal? |
Paul, this isn't an issue for me, but I thank you very much for your clear, lucid explanation. Today, I learned something new! |
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