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Philips 860w Allstart CMH Restore find, these CMH lamps are designed as energy saving retrofits for M47 1kW probe start and M141 1kW pulse start ballasts. Even though these run on probe start ballasts the arctube dosen't have a starting probe. I suspect it uses a special fill to allow it to start on a probe start ballast. Unfortunately while the rest of the [url=https://www.platt.com/CutSheets/Philips%20Lighting/42179-2-CutSheet.pdf]AllStart CMH line[/url] is universal burn, the 860w one is vertical burn only so I guess we won't be seeing these in vintage 1kW MV cobras any time soon. Another interesting thing about this lamp is that it's open rated, you can see the hefty quartz shroud and the wire guard around said shroud. I guess the 1kW lamps get quite err explosive at EOl. [url=http://www.galleryoflights.org/mb/gallery/displayimage.php?pos=-20964]Click here[/url] to see this lit up. Keywords: Lamps

Philips 860w Allstart CMH

Restore find, these CMH lamps are designed as energy saving retrofits for M47 1kW probe start and M141 1kW pulse start ballasts. Even though these run on probe start ballasts the arctube dosen't have a starting probe. I suspect it uses a special fill to allow it to start on a probe start ballast. Unfortunately while the rest of the AllStart CMH line is universal burn, the 860w one is vertical burn only so I guess we won't be seeing these in vintage 1kW MV cobras any time soon.

Another interesting thing about this lamp is that it's open rated, you can see the hefty quartz shroud and the wire guard around said shroud. I guess the 1kW lamps get quite err explosive at EOl.

Click here to see this lit up.

COL_IMG_3262.JPG COL_IMG_1533.JPG COL_IMG_1404.JPG COL_IMG_0876.JPG COL_IMG_0313.JPG
File information
Filename:COL_IMG_1404.JPG
Album name:joe_347V / HID Lamps
Keywords:Lamps
Company and Date Manufactured:Philips, May 2012
Model Number:CDM860/V/O/4K EA AllStart
Wattage:860w
Lamp Type:Ceramic metal halide
Filesize:385 KiB
Date added:Jun 15, 2014
Dimensions:1800 x 1200 pixels
Displayed:242 times
Color Space:sRGB
DateTime Original:2014:06:14 18:40:37
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/60 sec
FNumber:f/5.6
Flash:Compulsory Flash
Focal length:23 mm
ISO:800
Make:Canon
Model:Canon EOS REBEL T3
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=17663
Favorites:Add to Favorites

Comment 1 to 17 of 17
Page: 1

lite_lover   [Jun 16, 2014 at 12:46 AM]
Nice find Joe! Cool That sure has some wire guard in there! Shocked
streetlight98   [Jun 16, 2014 at 02:22 AM]
yeah i heard the higher the wattage, the bigger the ka-boom lol. nice find! One thing I've wondered is if the CMH retrofits even work on Mv becuse probe start MH has a higher OCV than MV and PSMH is even higher i think.
joe_347V   [Jun 16, 2014 at 02:34 AM]
Thanks Darren and Mike! Yeah I think if they end up working on MV, it'll probably be like putting a probe start MH on a MV ballast. Since I only have a 1kW MH ballast, I can't test out if it works on MV though.
rjluna2   [Jun 16, 2014 at 11:28 AM]
Nice find, Joe. Let us know if you can light this one up Smile
joe_347V   [Jun 16, 2014 at 07:02 PM]
Yeah, I'm gonna try lighting it up soon. I just have to dig out my 1kW MH ballast from storage.
Form109   [Jun 17, 2014 at 02:42 AM]
nice lamp!....im hoping CMH Becomes a lot more popular! seems to have more potential than the other's.
joe_347V   [Jun 17, 2014 at 10:55 PM]
Thanks, I believe Toronto sometimes uses CMH in their gumballs but aside from that I don't really see CMH streetlights around here. It seems most places around here are going for a full LED refit. Sad
Silverliner14B   [Jun 17, 2014 at 11:17 PM]
Anymore of these left at the restore? Getting one of these has been one of my goals.
streetlight98   [Jun 18, 2014 at 12:54 AM]
Wait a minute, it just clicked in that this is CMH? Embarrassed Laughing I didn't know CMH existed in 1000W Shocked
joe_347V   [Jun 18, 2014 at 04:55 PM]
@Dave, this was the only one I found.

@Mike, yeah I believe Philips makes a CMH retrofit lamp for all of the MH wattages. They run off probe start ballasts too so I guess you can turn any MH fixture to CMH now. Razz
A_lights   [Jun 19, 2014 at 02:42 AM]
Do they make cram lamps? Would be really nice if walgreens used these, the GE chromafit CMH lamps work on HPS/PS MH ballasts but not probe start
joe_347V   [Jun 20, 2014 at 04:09 AM]
Looks like they do for the 320w pulse start/400w probe start retrofit lamp. But not for any other wattage.
GEsoftwhite100watts   [Aug 28, 2014 at 01:41 AM]
Yeah I wonder if it would be stubborn starting in cold, especially on a MV ballast?
streetlight98   [Aug 28, 2014 at 01:47 AM]
I wonder if it would even light on MV since MV has a lower OCV. Mh lamps strike easier on MV reactors than they do anything else. Reactors give a nice inductive "kick" as Joe M put it, which helps the Mh lamp strike more easily.
GEsoftwhite100watts   [Aug 28, 2014 at 01:53 AM]
I've lit a decently-used 175w GE MultiVapor I have in that Electripak 175w MV yardblaster...I'd had the lamp for two or three years already (It was my first HID lamp actually; I thought it was HPS originally before I joined Lighting Gallery) and it occurred to me it was 175w so one evening I stuck it in my yardblaster light and lo and behold it fired right up! The CCT was warmer, it was brighter, and the CRI was much better than the clear MV I usually have in there but it's currently got one of my two OEM Philips clear MVs that have the rattly ED frame but still (possibly?) have the 'Lifeguard' arc tube.
A_lights   [Aug 28, 2014 at 02:00 AM]
I've seen it done but eventually the lamp won't strike up
GEsoftwhite100watts   [Aug 28, 2014 at 02:03 AM]
For 175w HX MV ballasts? That's my understanding too; as the lamp ages it requires higher OCV than the MV ballast can provide.

Comment 1 to 17 of 17
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