[GB ended,discussion only] CRI > 80+ NICHIA 2000K-6500K [E21A/219B/219C/319A/144A/757GT-F1(Optisolis)]

[clemence]

I don’t think it will sell well. Too risky for me

- Clemence

[Agro]

Sad but understandable.
Personally I think the same….but just initially.
That’s because there are no stars for it and it is not well known.
But for most applications that I can think of this LED should be technically better than XHP70.2 (I don’t know the price, so it may not be so good commercially). I hope it catches up….

[Wieselflinkpro]

It could fit the Virence VR16S1 Star with scratching.
And as driver it would work with 4S Buck-Driver like it is in the GT.
Haikelite MT07S could be a good host for it.

… but its of cause your decision.

[zak.wilson (Zak)]

Being higher voltage than the XHP70.2 used, the MT07S would probably drive the 149 pretty hard. Given the mode spacing of that light, I suspect it would work well.

I’d buy one, but probably only one. That doesn’t make it worth stocking.

[djozz]

@djozz

@clemence

@djozz

:+1: :+1:
And how is the tint? I have a few of the E21A 6500K R9080 leds but have not used them yet.

Jos, did the 2000K packet arrived? The last 6500K shipment was relatively fast.

- Clemence

No, it did not arrive yet, must be stuck somewhere. Usually packages show up again at some point, I’m waiting for that

And so it did a few days ago, thanks Clemence for checking the whereabouts of the package for me!

Here is the first of the E21A sm205 R9050 leds in a Lumintop Tool. The tint and colour reproduction is not far from the 2000K Stanley led that I tested before, of course the Nichia has just that bit more red in it

[clemence]

@djozz

@djozz

@clemence

@djozz

:+1: :+1:
And how is the tint? I have a few of the E21A 6500K R9080 leds but have not used them yet.

Jos, did the 2000K packet arrived? The last 6500K shipment was relatively fast.

- Clemence

No, it did not arrive yet, must be stuck somewhere. Usually packages show up again at some point, I’m waiting for that

And so it did a few days ago, thanks Clemence for checking the whereabouts of the package for me!

Here is the first of the E21A sm205 R9050 leds in a Lumintop Tool. The tint and colour reproduction is not far from the 2000K Stanley led that I tested before, of course the Nichia has just that bit more red in it

Looks like a Kalahari’s sunset. Very nice Djozz.

- Clemence

[Lightbringer]

@djozz

Here is the first of the E21A sm205 R9050 leds in a Lumintop Tool. The tint and colour reproduction is not far from the 2000K Stanley led that I tested before, of course the Nichia has just that bit more red in it

Ooooooh, I liiiiiiiiiiiiiiike.

[Texas_Ace]

I finally got around to testing the E21A’s clemence sent me, they look fantastic and tested pretty well too.

Not sure what I am going to put them in yet, got a few ideas.

4x E21A 9080 CRI output test by Texas_Ace - Amazing tint and good output

Here is a test I meant to do a few weeks ago but just never had the time. Clemence sent me a few E21’s to test and I have to say that the tint is really nice indeed, I have not put it in a light yet but test bench says it is one of the best tints I have ever seen if not the best. The output on a single die is not that great as expected but still impressive for what it is. The output with 4 dies on the other hand is very impressive considering the 90CRI and that it is a 3V LED setup. This woul…

[ma_tumba]

I found a single 3000k to be fantastic in a zoomie. In an ultrafirr uf10 to be more specific. It is about 2amp direct drive off a fresh imr 16350, just about its max spec

[doubleone44]

@djozz

Here is the first of the E21A sm205 R9050 leds in a Lumintop Tool. The tint and colour reproduction is not far from the 2000K Stanley led that I tested before, of course the Nichia has just that bit more red in it

What 10mm MCPCB did you use for the E21?

[djozz]

@doubleone44

@djozz

Here is the first of the E21A sm205 R9050 leds in a Lumintop Tool. The tint and colour reproduction is not far from the 2000K Stanley led that I tested before, of course the Nichia has just that bit more red in it

What 10mm MCPCB did you use for the E21?

I used a custom made two-pad (Nichia 119) ledboard that I had produced two years ago (see Testing a custom made 16mm Nichia 119 copper core board (non-DTP), edit:sold out). I sold most of them and have a small batch leftover for own use.

In the WDYMT thread I posted a bit more about the Tool mod: What did you mod today? - #4705 by djozz

[clemence]

UPDATE 180316:

Dear valued customers,

Due to Nyepi Day (Silent Day) in Bali island some of the recent orders can’t be shipped until 180319. All public electricity including traffic, airport, internet, etc… will be shutdown in 1803(17-18). The following orders are already collected at the local post office this morning.

- 10193

- 10192

- 10191

- 10190

- 10189

- 10188

- 10187

• 10184

For your information:
The nearest reliable post office located 23km from the workshop, thus I normally only ship twice a week (monday & thursday).

Best regards,
Clemence

[Texas_Ace]

Wow, a whole day without power of any kind?

If that happened worldwide….I shant even think of the consequences of such a thing…

[clemence]

@Texas_Ace

Wow, a whole day without power of any kind?

If that happened worldwide….I shant even think of the consequences of such a thing…

Correct, this is the only true “earth day” in the world I know.
You can see the milky way clearly at night. No sounds but from the animals and babies. Very clean and fresh air like those found in virgin forest. Bali usually saved hundreds tonnes of fossil fuel during this day.

- Clemence

[The_Driver1 (The_Driver)]

@djozz

@djozz

@clemence

@djozz

:+1: :+1:
And how is the tint? I have a few of the E21A 6500K R9080 leds but have not used them yet.

Jos, did the 2000K packet arrived? The last 6500K shipment was relatively fast.

- Clemence

No, it did not arrive yet, must be stuck somewhere. Usually packages show up again at some point, I’m waiting for that

And so it did a few days ago, thanks Clemence for checking the whereabouts of the package for me!

Here is the first of the E21A sm205 R9050 leds in a Lumintop Tool. The tint and colour reproduction is not far from the 2000K Stanley led that I tested before, of course the Nichia has just that bit more red in it

Can you talk more about this LED? How similar is it to candle light?
I once had a light with a de-domed XP-G 3000K 90CRI and it was just terribly orange.
I have an old Novatac Wichita which has a special driver (like in the HDS lights) with very low modes. It seems like a good match for this LED. The lowest mode actually flickers a bit, so I would even have the candle part covered :D.

It obviously makes sense to put this LED into smaller, dimmer or very floody lights because of the low color temperature, as shown by the Kruithoff Curve.

Has anybody else tried this LED?

[ma_tumba]

I bought one and plan to try it next week

[djozz]

eehm, it is very orange, a flame is very orange too. and the sun during sunset. I will make a picture tonight, next to a candle (no sunset tonight, it is very grey outside).

[The_Driver1 (The_Driver)]

@djozz

eehm, it is very orange, a flame is very orange too. and the sun during sunset. I will make a picture tonight, next to a candle (no sunset tonight, it is very grey outside).

Yes, of course, but is it a “nice” orange? :laughing:

I’m looking forward to the picture, thanks.

[clemence]

I wanted to take a picture for you but……surprisingly I can’t find candle in my house! Would a burning paper match the candle colour?

- Clemence

[maukka]

It’s absolutely lovely orange! Not the yellow orange kind. Excellent imitation of a candle with super smooth spectrum.