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Osram 150w HQI-TS NDL: Evolution of the Powerstar Two Osram HQI-TS lamps in 150w NDL flavour. One old style and one newer generation lamp. It's interesting to note on the new lamp how the arc tube is fused to the outer envelope, is of a new more rounded design and now sports a starting aid. It's a completely different design to the old "halogen lamp with an arc tube" traditional double-ended discharge lamps.

Osram 150w HQI-TS NDL: Evolution of the Powerstar

Two Osram HQI-TS lamps in 150w NDL flavour.
One old style and one newer generation lamp.
It's interesting to note on the new lamp how the arc tube is fused to the outer envelope, is of a new more rounded design and now sports a starting aid.
It's a completely different design to the old "halogen lamp with an arc tube" traditional double-ended discharge lamps.

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File information
Filename:DPP00003010.JPG
Album name:FrontSideBus / HID: Metal Halide
Filesize:2092 KiB
Date added:26 Dec, 2015
Dimensions:1920 x 1280 pixels
Displayed:24 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=2559
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Comment 1 to 8 of 8
Page: 1

Danny   [26 Dec, 2015 at 05:56 PM]
Atleast the ends might not fall off the bottom one ! Guess the glass could chip though
Kev   [26 Dec, 2015 at 06:00 PM]
Osram invested millions in this design! All a big cost cutting exercise would be interesting to do a life test on them! Both next to each other!
FrontSideBus   [26 Dec, 2015 at 07:02 PM]
I'd put money on the new one. No pinch seal or exhaust tube to fail.
Kev   [26 Dec, 2015 at 09:15 PM]
I'm not too sure mark as those old ones were quality units!
Andy   [26 Dec, 2015 at 09:17 PM]
Both lamps look good tbh! Where is the newer version made?
FrontSideBus   [26 Dec, 2015 at 10:04 PM]
Germany still. At lest these ones are. The new arc tube looks like it's had quite a bit of engineering gone into it!
James   [26 Dec, 2015 at 11:54 PM]
The Excellence one has the big advantage of a formed body arc tube, which brings higher efficacy and better colour than the original. Its also tipless for better colour consistency. And ceramic-like colour stability during life thanks to eliminating metal wires from the outer bulb. Plus mechanically more robust, and no more radioactive gas filling either. I am not convinced it would be so much cheaper than the original, but for sure the quality will be much better on a number of levels.
AngryHorse   [27 Dec, 2015 at 09:52 AM]
Would be interesting to watch the manufacturing of these!

Comment 1 to 8 of 8
Page: 1

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