If you are going to change the MCPCB I think you can go with CSLPM1 or CULPM1. Buying from convoy, CSLPM1 has better BIN.
Simon has new emitter on his ali store! SFT-40! 3v 5050. From what I can tell, it has similar output as sst-40 but more throw due to no dome.
Xpl hi would make it a plain fw1a.
Xhp35 is the wrong voltage.
So imo osram or sft-40 is your perfect option.
Be reckless and take a chance on SFT-40. I bought 2 waiting on shipping. I believe in luminus
https://www.aliexpress.com/item/1005002783273284.html link to SFT-40, IMO why mod a light to a factory version of itself, build a light others will envy
I forgot about SFT-40.It can be reflowed on original MCPCB. Not the best BIN tint, but no the worst either. Actually it’s the only available I think :D.
Thanks for all advices.
I will probably get a CULPM1 and SFT-40 and try them out.
i ordered fw1a with xplhi and w1 from simon. im goingto try swap led. when i do that i will write it here.
What is W1?
It is the OSRAM KW CSLNM1.TG (1mm2) Led.
Thread reference: OSRAM CSLNM1.TG & CULNM1.TG 1mm², CSLPM1.TG & CULPM1.TG 2mm²
Ok. Thanks for the info.
I thought CULPM1 would be a better option?
Anyway, I’m unable to find emitter for CULPM1, so I ordered for SFT40 instead.
Put an osram in it! That's what I'm going to do once I buy one again lol
i thought throw was more about the reflector, than the driver/LED
I think that for turbo is better to go with 2mm2 osram. 1mm2 tops out around 4A-5A.
So to confirm again, the original driver for XHP50.2 in the FW1A Pro works if i swap in a SFT40 or CULPM1 mcpcb? Or do I need to swap the correct driver as well?
I read you were having trouble finding CULPM1, Here is the link on Convoys store,
https://www.aliexpress.com/item/4001352708356.html
Either one will work. CULPM1 will have to be bought on mcpcb and make sure to ask Simon for proper led gasket
Ok Thanks!
I have done it.
FW1A Pro with CULPM1.
Now waiting for the smooth reflector to arrive.
The original mcpcb is 3mm thick.
So i double stack a bare mcpcb below the CULPM1 mcpcb, both 1.5mm.
Btw, the original body is from the stainless steel FW3A/FW3S.
P/S…I had to file the edges of the 20mm CULPM1 mcpcb as the original diameter of the mcpcb is 19mm
Yes, definitely better throw than original XHP50.
I have no idea why they designed it like that.
I put a whole lot of thermal paste to fill up the gaps.
Just to check, does the bottom of the original MCPCB have channels to accommodate the wires? I’m struggling to believe it just sits on top of the wires.
What smooth reflector are you planning on using?
A key factor is the surface intensity of the LED, the more intensity the more throw there is.
If you have 2 LEDs with the same total brightness (total lumens output) and one has half the emitting surface area of the other it will have more intensity, more brightness/lumens per area, and will have more throw as a result.
If you have a bright LED with a large surface area and a less bright LED with a smaller surface area that happen to have the same intensity they will throw the same but the larger LED will give a larger hotspot.
The driver comes into play by providing enough power to the LED for it to run correctly, brighter an LED the more throw there is. Sometimes an LED is underdriven so doesn’t reach it’s full potential but an LED can also be overdriven and can lose brightness as a result.
That’s a stainless steel head, it never had a single MCPCB, they’re all triples.