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10watt Agfa-Gevaert sodium safelight opened

10watt Agfa-Gevaert sodium safelight opened

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The gear of the 10w LPS safelight sits below the lamp compartment. I added a small 120-240 step-up (red-white) transformer for North American use.

5_IMG_4051.jpg IMG_4036.jpg IMG_4041.jpg IMG_4072.jpg

Light Information

Light Information

Manufacturer:Agfa-Gevaert
Lamp
Lamp Type:10w GEC Low Pressure Sodium
Electrical
Wattage:About 20 watt (with 120V-240V step-up transformer)
Voltage:240volt originally

File information

File information

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Filename:IMG_4041.jpg
Album name:lights*plus / Darkroom Safelights
Rating (1 votes):
Keywords:Gear
File Size:628 KB
Date added:Jan 12, 2015
Dimensions:1600 x 1067 pixels
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URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-103060
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themaritimegirl
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Jan 12, 2015 at 10:47 PM Author: themaritimegirl
Wow, awesome! This has got to be pretty rare!

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lights*plus
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Jan 12, 2015 at 11:00 PM Author: lights*plus
Actually, it wasn't too rare up until the 1990's, and once in a while one comes up for sale on www.ebay.co.uk/. It's where I got it from around year 2004. But you'll never find a 10watt SOX lamp or ballast without the safelight.
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Jan 12, 2015 at 11:41 PM Author: xmaslightguy
Cool little fixture!

Forget the lights..just give me a good lightning storm & tornado to go watch...

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Jan 12, 2015 at 11:46 PM Author: themaritimegirl
Fair enough. Yeah, I imagine standalone lamps and ballasts are the hardest part. Luckily ballasts for LPS lamps are a very easy thing to solve. The 10 watt unit is 55V by 0.20A, so a standard 4/6/8 choke and a starter will do the trick. Lamp will be slightly underdriven at about 7 watts, but that's not bad. LPS lamps can run on electronic ballasts too, so that's super easy to just experiment using a Kill A Watt meter to find an appropriate instant start ballast. A CFL ballast in the 20-26 watt range would probably be suitable, too.

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Jan 13, 2015 at 02:41 AM Author: Andy
Interesting fitting!
Never knew there was a unit specially for the 10w SOX lamp.

I operate my 10w SOX lamp on a 13w fluorescent ballast and it runs perfectly. The 8w ballast wasn't quite enough.

I'm always interested in exchanging lamps - send me a message to see what we could trade :)

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Jan 13, 2015 at 03:40 AM Author: lights*plus
@Andy, can you tell us where you got your 10w SOX lamp? Also, if you've uploaded a picture of it here, can you put the link. (For the life of me I can't search a user's gallery). Thanks.

The lamp above is my one & only currently. I actually had 2 of these complete safelights, but sold one.
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Jan 13, 2015 at 08:16 AM Author: Andy
The 10w SOX lamp was an ebay win.

I can't remember how you do the link on here but if you do a gallery search and type 10w supersox it comes up!

I'm always interested in exchanging lamps - send me a message to see what we could trade :)

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Jan 13, 2015 at 10:35 AM Author: FrontSideBus
Phwoar! This is awesome, not just a 10w SOX lamp but gear and a fitting to run it in!!!

UK out of the EU!
http://www.lighting-gallery.net/gallery/index.php?cat=11271

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Jan 13, 2015 at 11:36 AM Author: Danny
this is just amazing!
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Jan 13, 2015 at 03:06 PM Author: merc
Very interesting! Didn't know AGFA Gevaert used to make fittings like this. They've been known for manufacturing films, audio tapes etc.
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Aug 04, 2016 at 10:38 PM Author: Lumex120
Where can you get 120 to 240 transformers like that? Also, is a 120 to 277v version made?

Any machine is a smoke machine if you operate it wrong enough.

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Aug 05, 2016 at 01:35 AM Author: AngryHorse
This is super rare, we can`t even get these 10 watters in our own country now!, where they were made!! , great score, the lamp and gear were made at GECs Shaw plant in Oldham, Manchester UK, sady demolished and long gone now

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy :D

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Aug 05, 2016 at 03:11 AM Author: Danny
Wow great find there!
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Aug 05, 2016 at 03:29 AM Author: lights*plus
@Zarlog: Any good hobby electronics shop should have both transformers you mention. Also look for "travel converter" (US citizen travels to Europe) in Walmart or similar stores for the 120 to 240v version. These are only good up until 50Watts though. Even This One from ebay will do for low power applications such as the safelight above..just open it apart, find the taps by seeing the connections to the prongs.
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Aug 05, 2016 at 10:20 PM Author: themaritimegirl
Beware: Cheap travel voltage converters like those on eBay are NOT transformers - they use a crude electronic circuit to generate a synthesized output waveform that's only suitable for resistive loads and maybe switching power supplies like cell phone chargers and laptops. If you try to run something like this off one, one of the two are going to fry.

(Think about it - a transformer capable of handling 50VA would not be small enough to fit in a wall wart adapter - it would be about the size of an HID ballast and cost a LOT more than $4...)

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Aug 05, 2016 at 10:30 PM Author: lights*plus
The one I used in the above 10w LPS safelight was a $4.99 CAD travel "transformer" rated for 50w. When buying one, you can clearly see if it's a magentic core & coil. The core is often painted over and the 2 caps incorporate the plug/prong parts. But if you can't see a picture of the actual item (ebay or anywehere else), then heed MaritimeMan's warning and don't buy it.
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Aug 05, 2016 at 10:46 PM Author: themaritimegirl
Wow, I'm impressed. Still doesn't look big enough to me to handle 50 VA*, but if it works, it works.

*Transformers are rated in VA, not watts (they usually use watts because people understand them better, and watts does equal VA for resistive loads). So if a fixture like this uses, say, 15 watts and has a 0.5 power factor, you need a transformer rated at least 30 VA (or "watts", as they are advertised).

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Sep 19, 2016 at 12:42 PM Author: douro20
I'm really not surprised Agfa-Gevaert made something like this.

Sodium lamps were used in lighting of photolithography labs for CRT and semiconductor production up until the development of suitable fluorescent lamps, which made sodium lamps obsolete in this application due to their superior operating life.
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Jan 09, 2018 at 08:01 AM Author: sox35
I thought someone from over the water had been in there, I was certain those horrible wire nuts weren't original
(Sorry, can't stand the things..!)

Seems to run ok on 60 Hz though

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MH, HPS, MV, and SOX lighting forever.


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Dec 02, 2020 at 03:05 PM Author: WorldwideHIDCollectorUSA

Fair enough. Yeah, I imagine standalone lamps and ballasts are the hardest part. Luckily ballasts for LPS lamps are a very easy thing to solve. The 10 watt unit is 55V by 0.20A, so a standard 4/6/8 choke and a starter will do the trick. Lamp will be slightly underdriven at about 7 watts, but that's not bad. LPS lamps can run on electronic ballasts too, so that's super easy to just experiment using a Kill A Watt meter to find an appropriate instant start ballast. A CFL ballast in the 20-26 watt range would probably be suitable, too.


I tried lighting a 18w SOX lamp on a fluorescent choke and it would not strike an arc.

Say NO to ballast and bulb bans. MV, MH, HPS, and SOX forever!!!! Magnetic preheat fluorescent forever!!!!!

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Dec 03, 2020 at 05:54 PM Author: lights*plus
For me, an electronic ballast for CFL 26-42 watt lamps are good for 18w SOX or SOX-E
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