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GTE Sylvania F40/IF Incandescent Fluorescent

GTE Sylvania F40/IF Incandescent Fluorescent


At 37 lumens per watt, it's almost on par with high efficiency low voltage halogen.

sylv_needs_date.jpg damar_7500.jpg sylvaniaifcase.jpg GTESYLV_IF.jpg

Light Information

Light Information

Manufacturer:GTE Sylvania
Model Reference:F40/IF
Lamp
Lamp Type:incandescent fluorescent
Base:medium bi-pin
Service Life:20,000 @ 3hr RS, 15,000 @ pre-heat, 28,800 @ 12hr RS
Electrical
Wattage:40
Current:430mA
Optical
Lumen Output:1480 new, 1273 mean
Color Temperature:2750
Color Rendering Index:89
Physical/Production
Fabrication Date:Feb 1989

File information

File information

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Filename:GTESYLV_IF.jpg
Album name:Luminaire / 2012
Keywords:Lamps
File Size:18 KB
Date added:Apr 26, 2012
Dimensions:490 x 305 pixels
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URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-64907
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monkeyface
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Apr 26, 2012 at 03:52 AM Author: monkeyface
Very nice tube and colour!
paintballer22
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Apr 26, 2012 at 05:59 AM Author: paintballer22
I would like one if they are still aviliable.
funkybulb
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Apr 26, 2012 at 08:17 AM Author: funkybulb
wow, I dont mind having one as well.

No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

monkeyface
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Apr 26, 2012 at 09:16 AM Author: monkeyface
Got ove 30 of these lamps NOS, however mine are Osram made with the colour code 39 Interna and one Philips 20W/27 De Luxe which is the same.
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Apr 26, 2012 at 10:00 AM Author: jercar954
Nice find! I wish I could find one in the 15T8 size which was made at one time. BTW- The above lamp was manufactured Feb. 1984.

Preheat and T-12 fluorescents forever! Down with LED's and instant start T-8 fluorescents.

dor123
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Apr 26, 2012 at 10:03 AM Author: dor123
monkeyface: R U sure that Osram and Philips made similar fluorescent lamps to the US Sylvania "Incandescent Fluorescent"? I think that the deluxe phosphors of the european lamps were different than the ones of the american lamps, and they didn't managed to reach the very high CRI of the american ones. The american ones manages to reach Ra8=95 with very low cost lamps, compared to the triphosphors lamps that have Ra8=85 but are horribly expensive.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Silverliner
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Verd a ray classic.


GoL
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Apr 26, 2012 at 10:21 AM Author: Silverliner
Nice find, Luminaire.

@dor123 I have a couple Osram 20w Internas from an European collector. They do look like the IFs to me, even has the same dim output.

May all the great lighting technologies have their place in history.

Administrator of Lighting-Gallery.net. Need help? PM me.

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Apr 26, 2012 at 10:32 AM Author: monkeyface
The Interna 39 and 27 De Luxe are having a CRI of over 90! For the new Rating the tube would have 927 code.
arcblue
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Apr 26, 2012 at 01:39 PM Author: arcblue
These truly are the closest to incandescent colour that I've seen, aside from the Reveal spiral CFLs which also are quite close (the Reveal F40 was a major disappointment).

I'm lampin...

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GoL ATL
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Apr 26, 2012 at 06:40 PM Author: xmaslightguy
Cool find
Great color
To me these give a nice vintage look when lit

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

Luminaire
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Apr 26, 2012 at 06:40 PM Author: Luminaire
What do you guys think is a fair price to ask per lamp?
How do i ship just one or two of them safely?
nogden
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Apr 26, 2012 at 06:43 PM Author: nogden
I might take some. I don't really need them, but if you still have some left...
xmaslightguy
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GoL ATL
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Apr 26, 2012 at 07:30 PM Author: xmaslightguy
@Luminaire
I'd say just go with whatever your cost was for the price & then add whatever shipping is...that seems to be the most common thing I see on sites like this.

Shipping is the hard part (& for 1 lamp may be more than the lamp), the one time I shipped a few 4-footers I just wrapped them in bubble wrap & used a box a bit over 4-feet (& clearly labeled it as fragile)

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Apr 26, 2012 at 07:41 PM Author: funkybulb
why not wrap it up in bubble wrap then ship them in a second hand PVC Pipe. then UPS or USPS can run over it a truck If he dumb enough to do it.

No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

Luminaire
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Apr 26, 2012 at 07:51 PM Author: Luminaire
I did ship a F90T17 in a PVC pipe. Since it wasa rare lamp, the buyer was willing to pay for it. It adds considerable amount to shipping cost and the pipe isn't cheap.
I've sold things here before to a few people. DieselNut and Alights being some of them.
How about $7/lamp + shipping?
paintballer22
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Apr 26, 2012 at 08:04 PM Author: paintballer22
I will go with that.
chrislights
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Apr 26, 2012 at 08:15 PM Author: chrislights
nice one, I wish I have some

Say NO to ban at Incandescent light bulbs!

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USA (120V 60HZ)


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Apr 26, 2012 at 08:22 PM Author: Alights
P&M lighting has one of these on display its a wonderful lamp!
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jonathon.graves johng917 GeorgiaJohn
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Apr 27, 2012 at 09:28 AM Author: DieselNut
Nice tubes and awesome color! I have a few of the same color, but newer vintage. Luminaire does do a good job shipping tubes.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

Luminaire
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May 02, 2012 at 07:01 PM Author: Luminaire
I updated the specs. I'm surprised how dim this is, but this is the highest CRI regular light bulb color fluorescent I've seen as well. It looks fairly good.

Paintballer and funky, you should receive yours shortly.

Four sold...
Six for me
Eight available.

Shipping will cost $17-25 depending on how many you get and where you are having them shipped.

International doable if you just want 1 or 2, but expect shipping to cost about $30 US for Canada and $30-40 for elsewhere.
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May 14, 2012 at 07:48 PM Author: nogden
Just received mine today and they arrived in perfect shape. Thanks! I really like the color, I'm glad I finally decided to get two. They started mercury starved, but warmed up fine. The yellow tint is interesting, and is probably a big part of what makes these lamps match incandescent light. I like it!

Does anyone have a spectrum plot of these lamps?
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May 14, 2012 at 08:42 PM Author: funkybulb
Thank you luminare i am happy with the tubes.

No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

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May 14, 2012 at 08:45 PM Author: paintballer22
Thanks Luminare the tubes are great, I have trouble getting them to start for the first time but the work great now.
Luminaire
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May 15, 2012 at 02:26 AM Author: Luminaire
nogden,

here's the SPD for IF
http://www.lighting-gallery.net/gallery/displayimage.php?album=lastup&cat=0&pos=0&pid=65336

Bottom shows cumulative energy in watts per 1,000 lumens for each range of spectrum. You'll see that IF is very rich in deep red. This isn't so on 827 tri-phoshphor blend which has an R9 rendition of zero.

The IF and 950 should have fairly good R9 rendition due to substantial deep red emission.
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