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Atlas 40W Warm White

Atlas 40W tube on a home made ballast board.

Sylvania_GTE_15W_Daylight_F15T12-D_lit.JPG philips_home_light_38cm_deluxe_ww_t12.jpg setup_28lit29.JPG Half_Coated_Starved.jpg Wotan4Ft40W.JPG
File information
Album name:T12 & Over
Power Consumption:40W + ballast losses
Overall Width / Diameter:12/8 of an inch
Overall Length:4 foot
Cap Type:G13
Light Colour Temp:3000K
Lifespan:reasonable estimate: 6-10,000 hours on a pulse starter
Circuit Type:switchstart fluorescent
Comments:This is an immaculate and NOS tube that I found one day at the tip. An unbelievably lucky find; it sparked my interest in fluorescent a few years later when I decided to fire it up. I made this fixture for it (no awards for DIY skills).
Filesize:1119 KiB
Date added:May 03, 2017
Dimensions:1600 x 1063 pixels
Displayed:34 times
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Comment 1 to 10 of 10
Page: 1

Linear_SLI   [May 03, 2017 at 08:50 PM]
Neat little test rig! Very Happy , good find on the tube, it does look mint!, the things some people throw away!
Callum   [May 03, 2017 at 09:08 PM]
It was in a Sylvania packet and I didn't check the etch end til I got home. So I got a double surprise.
louie   [May 03, 2017 at 09:15 PM]
That ballast looks bigger thank usual!
Callum   [May 03, 2017 at 09:24 PM]
it's quite big yeah. it's ultra low loss. no noise at all from it and barely gets warm.
Linear_SLI   [May 03, 2017 at 10:06 PM]
Yeah, if it hadn`t been for the fluorescent wiring diagram on it, I would have said it was HID!
Tom   [May 03, 2017 at 10:22 PM]
Nice tube, there was one in a Netaline in my Nan's kitchen when I was a kid! Don't think I've seen a super low loss ballast before! Looks very much the size and style of the 80/125w dual tapped mercury ballast on our test board! Bet it'd last an eternity!
Paul   [May 03, 2017 at 10:25 PM]
That Thorn starter looks like one of the last they ever produced as well, looking at the logo.
Callum   [May 04, 2017 at 12:17 AM]
Yeah it came out of a Thorn Stradalux street light (2x20W). This circuit now uses an Arlen pulse starter as I want that tube to last.
Funeral_86   [May 04, 2017 at 01:02 AM]
Check out that colour 29!!!
Slyspark   [Jan 09, 2018 at 11:52 PM]
Interesting - just seen this come up in randoms. Ballast is what made me look too, thought it was discharge given it's size. I've got some Thorn starters like that, mine also came out of an Australian Stradalux. I assume in Australia, Thorn are not subject to the same lamp branding ban that they are here.

Comment 1 to 10 of 10
Page: 1

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