What is your favorite emittor to use in a C8?

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everydaysurvivalgear
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What is your favorite emittor to use in a C8?
XML2
22% (19 votes)
XPL-HI
58% (49 votes)
XPG2
11% (9 votes)
XPG3
1% (1 vote)
XPL
4% (3 votes)
Nichia
2% (2 votes)
I own all of these!
2% (2 votes)
Total votes: 85
everydaysurvivalgear
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Hey guys and gals its been all business lately and no play! So i thought i would ask the tough question of what emitter you prefer in your C8?

I have personally never seen a standard XPL or Nichia in a C8 so feel free to surprise me? I haven’t seen many people using the XPG3 i have 2 C8s with this setup.

Hahahaha I can not chose i like both the XPL-HI and the XPG3?

DavidEF
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None of the above – XHP-50! Wink

I like a little more spill with my throw. A XHP-50 in a C8 (with OP reflector) is just about perfect!

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everydaysurvivalgear
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DavidEF wrote:
None of the above – XHP-50! Wink

I like a little more spill with my throw. A XHP-50 in a C8 (with OP reflector) is just about perfect!

I have been thinking about building one. But my XPG3s get around 1700-1800 lumen. What driver did you chose?

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everydaysurvivalgear wrote:
DavidEF wrote:
None of the above – XHP-50! Wink

I like a little more spill with my throw. A XHP-50 in a C8 (with OP reflector) is just about perfect!

I have been thinking about building one. But my XPG3s get around 1700-1800 lumen. What driver did you chose?


It was a 17mm FET driver with zener mod. When it was built, the XP-G3 hadn’t come out yet. But, IIRC, a hard run XHP-50 can approach ~3000 lumens. I don’t have a way of measuring output, so I don’t know what that particular build actually did.
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I could be wrong, or half wrong but Im unlikely to be completely right.
SawMaster wrote:
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HorizontalHunter
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None of the above for me as well. Dedomed XPG2 is in mine.

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XM-L2 U3 3D Color temperature: 4750-5000K Big Smile

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djburkes
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Dedomed XM-L2 U4 1A

Mitko
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My 2 shell queens are a DDed XPG2 one that does 200k cds and DDed XPL V6 1D doing 155k cds, i also use a XPG2 based one( arround 200k cds too) on my .223 rifle

EasyB
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I just made a dedomed XPG2 (new style) C8 for my dad. A bit bigger hotspot than the old XPG2 and 167Kcd at 30s with stock lens.

blueb8llz
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DD xpg2 100%
A properly modified one can have great tint, around 1200 lumens, and around 150kcd.

Why would you choose any other emitter? The only category xpg2 loses here is lumens, but it’s hardly noticeable with 1700 and 1200.

But yea, for those that want flood and crazy lumens, then huge difference compared to a xhp to a xpg

EasyB
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blueb8llz wrote:
DD xpg2 100%
A properly modified one can have great tint, around 1200 lumens, and around 150kcd.

Why would you choose any other emitter? The only category xpg2 loses here is lumens, but it’s hardly noticeable with 1700 and 1200.

But yea, for those that want flood and crazy lumens, then huge difference compared to a xhp to a xpg

Well there is always some compromise between output and throw when choosing emitters. It’s just a matter of what your priority is.

Top binned dedomed XPL can really throw a lot, as evidenced by mitko’s result above. So you get a larger hotspot (more lumens downrange) with almost as much beam intensity.

Some measurements of mine, to approximately illustrate the output difference:
old production style XPG2 S4 2B dedomed in C8 with stock lens: ~911 lumens OTF. This light does 185Kcd @30s.

dedomed XPL V6 1A in EE X6: 1692 lumens OTF. This light does 94Kcd @30s.

gungoat
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why not an XHP-35 for more throw ?

EasyB
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gungoat wrote:
why not an XHP-35 for more throw ?

I’m sure this would be a popular choice, but it is a 12V emitter and there are not really any suitable drivers for it in the C8.

Also, it would not give more throw than a dedomed XPG2 or XPL.

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gungoat wrote:
why not an XHP-35 for more throw ?

Has a much bigger die (the yellow bit) surface.

Looking for:

5” parabolic reflector (for recoil light)

mattlward
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I would have said dedomed Xp-G2, but I will not give 20+bux for a good led. So, now XP-L HI.

EDC rotation:
Convoy S2+, 6*7135, XM-L2 3D, 10 degree TIR, PilotDog lighted tailcap.
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djburkes wrote:
Dedomed XM-L2 U4 1A

This

 

everydaysurvivalgear
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Does any one have the Kcd numbers for a C8 with a XPL-HI running direct drive? I would be expecting maybe 140-150kcd?

EasyB
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everydaysurvivalgear wrote:
Does any one have the Kcd numbers for a C8 with a XPL-HI running direct drive? I would be expecting maybe 140-150kcd?

With XPL HI V2 3B, I measured mine to be around 107Kcd. With dedomed high bin XPL I have seen others measure 140-150Kcd.

everydaysurvivalgear
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Sweet thanks! That number sounds low do you think it could be the tint? Are you using AR lens?

EasyB
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That number is with stock lens. I think it is about right. What makes you think it is low?

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Don’t laff. but my favorite emitter for a C8 is an XP-E2, or those “bead” type LEDs. Small chips, wonderfully small and tight hotspot, lots of throw even when not nearly as high-strung as the usual 3A setups. 1A-1.4A is plenty for some decent throw, without stressing out anything much, and giving multiple hours of runtime.

And in that config, you can get all sorts of colors from IR through VIS into UV.

To me, the C8 is meant to throw. I never considered it a general-purpose light at all. Even an XM-L2 puts out a way bigger hotspot, and you’d have to ramp the amps accordingly to get the same throw, despite a few times the lumens coming out the front.

About the only thing I can see coming close would be a dedomed XP-G# driven harder. Probably get the lux, but at half the runtime or less.

Just played around with my new L2, and that’s a great thrower, but it’s not quite pocketable, if you know what I mean. All my P60s aren’t as throwy as the C8 and are more general-purpose. Floody lights and those with OP reflectors are only really good close-in, no matter how bright.

Nah, a C8’s what I want to use to see at a distance, without carrying a club like an L2 or L6. So yeah, I’ll go for runtime with a nice teeny XP-E2.

(Hey, I said don’t laff…)

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Lightbringer wrote:
Don’t laff. but my favorite emitter for a C8 is an XP-E2, or those “bead” type LEDs. Small chips, wonderfully small and tight hotspot, lots of throw even when not nearly as high-strung as the usual 3A setups. 1A-1.4A is plenty for some decent throw, without stressing out anything much, and giving multiple hours of runtime.

And in that config, you can get all sorts of colors from IR through VIS into UV.

To me, the C8 is meant to throw. I never considered it a general-purpose light at all. Even an XM-L2 puts out a way bigger hotspot, and you’d have to ramp the amps accordingly to get the same throw, despite a few times the lumens coming out the front.

About the only thing I can see coming close would be a dedomed XP-G# driven harder. Probably get the lux, but at half the runtime or less.

Just played around with my new L2, and that’s a great thrower, but it’s not quite pocketable, if you know what I mean. All my P60s aren’t as throwy as the C8 and are more general-purpose. Floody lights and those with OP reflectors are only really good close-in, no matter how bright.

Nah, a C8’s what I want to use to see at a distance, without carrying a club like an L2 or L6. So yeah, I’ll go for runtime with a nice teeny XP-E2.

(Hey, I said don’t laff…)


Well, I’m not laffin atcha! XP-E2 really is great for throw! I have one de-domed in a MAGlite, and it shoots like a laser beam!
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Mitko
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True, if made properly a nice driven DDed E2 would give like 130k cds in a C8 host- a setup especialy good for a hunting flashlight with a single battery where the mech switch matters( if a remote switch is used ofc), the same but XPG build will make 60-65k due to the switch current limmitations

Yet its the only reasonable situation to use XPE2 over G2 in a C* host

Lightbringer
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Mitko wrote:
True, if made properly a nice driven DDed E2 would give like 130k cds in a C8 host- a setup especialy good for a hunting flashlight with a single battery where the mech switch matters( if a remote switch is used ofc), the same but XPG build will make 60-65k due to the switch current limmitations

Yet its the only reasonable situation to use XPE2 over G2 in a C* host

I’m so tempted to do that for a while, I looked up E2s in a 1D tint if possible.

The ~4300Ks (dunno what bin, but a nice color, no hint of green at all) I have now are quite nice with the dome. If I’d DD a 1A or 1D and see what color/tint it ends up as after DDing, oh man, that could be killer!

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Lightbringer wrote:
Mitko wrote:
True, if made properly a nice driven DDed E2 would give like 130k cds in a C8 host- a setup especialy good for a hunting flashlight with a single battery where the mech switch matters( if a remote switch is used ofc), the same but XPG build will make 60-65k due to the switch current limmitations

Yet its the only reasonable situation to use XPE2 over G2 in a C* host

I’m so tempted to do that for a while, I looked up E2s in a 1D tint if possible.

The ~4300Ks (dunno what bin, but a nice color, no hint of green at all) I have now are quite nice with the dome. If I’d DD a 1A or 1D and see what color/tint it ends up as after DDing, oh man, that could be killer!


I guess you’d like THIS. Wink
Ejected Filament wrote:
I could be wrong, or half wrong but Im unlikely to be completely right.
SawMaster wrote:
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DavidEF wrote:
Lightbringer wrote:
Mitko wrote:
True, if made properly a nice driven DDed E2 would give like 130k cds in a C8 host- a setup especialy good for a hunting flashlight with a single battery where the mech switch matters( if a remote switch is used ofc), the same but XPG build will make 60-65k due to the switch current limmitations

Yet its the only reasonable situation to use XPE2 over G2 in a C* host

I’m so tempted to do that for a while, I looked up E2s in a 1D tint if possible.

The ~4300Ks (dunno what bin, but a nice color, no hint of green at all) I have now are quite nice with the dome. If I’d DD a 1A or 1D and see what color/tint it ends up as after DDing, oh man, that could be killer!


I guess you’d like THIS. Wink

The ones I got originally were these: https://www.amazon.com/Led-World-XLamp-Neutral-Emitter/dp/B00RMQSENA/ .

They also have some WW and CW versions, like this for CW: https://www.amazon.com/Led-World-XLamp-XP-E2-Emitter/dp/B00RMPXV0W/ .

That C8+E2 I’ve got is pretty much my go-to light for checking out the backyard if I hear cats killing each other, etc. Doesn’t light up the whole yard, but sure does light up what it’s aimed at!

Oh yeh, 1-mode 1050mA driver, 1400mA on my to-do list. 1-mode makes it reeeeeeeally good for remote switches.

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blueb8llz
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how many lumens can one get from a xpe?

DavidEF
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blueb8llz wrote:
how many lumens can one get from a xpe?

It depends on the bin, and whether or not you’re talking about over-driving it or just rated max. But, I love Cree’s Product Characterization Tool for quick reference for max ratings. For instance, I have some XP-E2 R3, and at their maximum rated current of 1.0A, they are rated for 310.5lm output. For real max (over-driven) numbers, djozz or one of the other testers would be a good source of info.
Ejected Filament wrote:
I could be wrong, or half wrong but Im unlikely to be completely right.
SawMaster wrote:
One of my rules of life: “A closed mouth gathers no foot.
DavidEF
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Lightbringer wrote:
DavidEF wrote:
Lightbringer wrote:
Mitko wrote:
True, if made properly a nice driven DDed E2 would give like 130k cds in a C8 host- a setup especialy good for a hunting flashlight with a single battery where the mech switch matters( if a remote switch is used ofc), the same but XPG build will make 60-65k due to the switch current limmitations

Yet its the only reasonable situation to use XPE2 over G2 in a C* host

I’m so tempted to do that for a while, I looked up E2s in a 1D tint if possible.

The ~4300Ks (dunno what bin, but a nice color, no hint of green at all) I have now are quite nice with the dome. If I’d DD a 1A or 1D and see what color/tint it ends up as after DDing, oh man, that could be killer!


I guess you’d like THIS. Wink

The ones I got originally were these: https://www.amazon.com/Led-World-XLamp-Neutral-Emitter/dp/B00RMQSENA/ .

They also have some WW and CW versions, like this for CW: https://www.amazon.com/Led-World-XLamp-XP-E2-Emitter/dp/B00RMPXV0W/ .

That C8+E2 I’ve got is pretty much my go-to light for checking out the backyard if I hear cats killing each other, etc. Doesn’t light up the whole yard, but sure does light up what it’s aimed at!

Oh yeh, 1-mode 1050mA driver, 1400mA on my to-do list. 1-mode makes it reeeeeeeally good for remote switches.


Lightbringer, did you follow my link? You’d said you were interested in a 1D for de-doming. Mitko happens to have XP-E2 1D for sale in bulk for pretty cheap. That’s why I linked it. Wink
Ejected Filament wrote:
I could be wrong, or half wrong but Im unlikely to be completely right.
SawMaster wrote:
One of my rules of life: “A closed mouth gathers no foot.
Mitko
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blueb8llz wrote:
how many lumens can one get from a xpe?

Like 400 at 2.1 amps

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