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Tungsram 10w Natural

19" 470mm lamp

10w_White.jpg IMG_3939.JPG Narva_Red.JPG Philips_TLD_18w_83.JPG Sylvania_F15T8_CG.JPG
File information
Filename:10w_White.jpg
Album name:Tom / T8 To T10
Manufacturer:Tungsram
Power Consumption:10w
Overall Width / Diameter:T8 26mm
Overall Length:470mm
Cap Type:G13 medium bi-pin
Light Colour Temp:4000K Natural 25
Circuit Type:Switchstart
Comments:The rarely seen 19 inch 10w T8 in an even rarer colour. Normally made by Osram in 827, these lamps are an odd size and rating. Two run very nicely as a series pair on a 2ft 20w choke with a reasonable light output.
Date / Code:Unknown, guess at 1970s/80s
Country Of Origin:Hungary?
Filesize:302 KiB
Date added:Dec 12, 2019
Dimensions:1600 x 1067 pixels
Displayed:18 times
URL:https://allthingslighting.co.uk/atl/displayimage.php?pid=23735
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Comment 1 to 4 of 4
Page: 1

Dez   [Dec 15, 2019 at 03:32 PM]
cant say I have seen such tubes made by tungsram before! very interesting find Smile I THINK the electrical specs of these are about the same as a 10-13W PL-C lamp or 13W T5, so im surprised they ran as a pair in series!, (although It reminds me of how I managed to get a pair of 10W 2Ds running in series!) the shorter Asian spec 13 inch 10W T8, runs at 0.23A 55V or so, and a pair of those would run nicely in series off a 20W Choke I imagine Smile
Andy   [Dec 22, 2019 at 08:25 PM]
That's an interesting find Tom. I don't recall seeing this wattage in such a length, quite a low power density! Cool
Funeral_86   [Dec 27, 2019 at 12:44 AM]
I’ve got some modern osrams in colour 827 in this length. Seem common in the continent.
Tom   [Jan 02, 2020 at 10:51 PM]
These are interesting tubes indeed. They give a nice colour, halfway between the continental 25 and our original UK Natural, a nice soft cool white colour. I can imagine the Osram 827 version have a nice brightness Pete, get them paired up on a 20w choke! @ Dez I'm surprised you managed
to work a series pair of 10w 2Ds! There appears to be no indication of country or date on these but I suspect they're possibly from Hungary c1970s.

Comment 1 to 4 of 4
Page: 1

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