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Kenny-Radius 400w Mercury Vapor

Kenny-Radius 400w Mercury Vapor

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I was not particularly crazy about Ken-Rad mercury lamps because they were just rebadged Westinghouse mercury lamps. But I am proud of my Ken-Rad 100w /W and had to grab this 400w. It is a /DX, made in 1969. I believe it is my oldest merc with the yttrium vanadate phosphor. Casts a beautiful pink color at fire up and a clean white 4000K light at full brightness.

image~741.jpg image~740.jpg image~734.jpg image~733.jpg

Light Information

Light Information

Manufacturer:Westinghouse, Ken-Rad brand
Model Reference:H33-1GL/DX
Lamp
Lamp Type:Mercury Vapor
Base:MOG
Shape/Finish:BT-37
Service Life:24K horas
Electrical
Wattage:400w
Voltage:130V @ full brightness
Current:3.2A
Optical
Lumen Output:20,000
Color Temperature:4000K
Color Rendering Index:45
Physical/Production
Dimensions:about 11.5 inches long
Factory Location:Bath, NY USA
Fabrication Date:September 1969

File information

File information

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Filename:image~734.jpg
Album name:silverliner / good ol' mercury vapor
Keywords:Lamps
File Size:520 KB
Date added:Sep 27, 2015
Dimensions:2465 x 1848 pixels
Displayed:218 times
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ace100w120v
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Sep 27, 2015 at 03:25 PM Author: ace100w120v
So not pinkish like many /DX lamps are? I personally happen to despise that hue of light...
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Sep 27, 2015 at 03:30 PM Author: Solanaceae
Love these Kennies and look forward to the clear one you're sending.

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Silverliner
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Sep 27, 2015 at 03:48 PM Author: Silverliner
That's correct, less pink than most new /DX lamps.

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

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ace100w120v
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Sep 27, 2015 at 04:51 PM Author: ace100w120v
That's a plus for sure then in my book. Is it just me or are the late-model /DX lamps worse than older/NOS vintage ones?
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Sep 27, 2015 at 06:55 PM Author: Silverliner
I would say the modern ones are mostly junk. The phosphors degrade fast, they dim out etc.

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ace100w120v
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Sep 28, 2015 at 07:23 PM Author: ace100w120v
LOL yeah, MV is "Obsolete" so the lamp manufacturers just don't care...
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Sep 28, 2015 at 07:38 PM Author: Silverliner
Except EYE Lighting. I know some EYE lamps still burning brightly at a strip mall which were already there since I moved here in 2007.

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ace100w120v
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Sep 28, 2015 at 07:39 PM Author: ace100w120v
Eye/Iwasaki...those seem good for sure. I wonder if the Westpointe lamp I have is made by them? It seems well-enough made. I'll post it sometime.
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Sep 28, 2015 at 07:41 PM Author: Silverliner
No, that Westipointe lamp was made by Yamao who also made mercs for faux Westinghouse for a while.

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ace100w120v
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Sep 28, 2015 at 07:42 PM Author: ace100w120v
In your opinion, are they decent?
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Sep 28, 2015 at 07:50 PM Author: Silverliner
I thought they were, but Don93s had one that literally blew to pieces.

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Sep 28, 2015 at 08:21 PM Author: BlueHalide
Yamao Ningbo mercury lamps have a weak phosphor that degrades rapidly, also just like the Caster brand lamps, they have that habit of failing suddenly (not starting) for no apparent reason. A few years ago I relamped a campground's 250w yardblasters with Yamao (bought as Westinghouse) 250w mercury lamps and not one of the eight I installed is operating today. Most of them just stopped working right around the 2-year mark. One stopped working immediately (like in the first week). I believe this is the reason Westinghouse changed manufacturers again in 2005.
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Sep 28, 2015 at 08:27 PM Author: Silverliner
bluehalide, do you know the manufacturer who makes the current faux Westy mercs? They have the American BT shape.

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Sep 28, 2015 at 08:37 PM Author: BlueHalide
Im pretty sure that's Fenghua Noerka Lighting whos making those lamps now for Westinghouse, overall better quality than Yamao.
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Sep 28, 2015 at 09:57 PM Author: ace100w120v
Interesting! Mine seems decently well-made though, better than the GE/Sylvania/Phlips "Rattler" ED-shape lamps...plus it was cheap at around 12 bucks.
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Oct 22, 2017 at 11:28 PM Author: ricksbulbs
I have the Westpointe H39KC175/DX as well, and thought it was made by Yamao, I have a genuine Yamao branded sample in 250 watt, too. These Westpointe branded ones seem so be really decent. Maybe they got their stuff together finally? They are pretty nice clearend lamps, too.
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Oct 23, 2017 at 04:31 PM Author: ace100w120v
Yeah, I figured it was just Chinese trash, but maybe not? I think they're the short, really-125w ballast-cooking arc tube, your thoughts?
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