CRX SR4 Quad Nichia 219C 5000K - Electronic Tail Switch

CRX · 2018-12-04T18:39:15.000Z

CRX SR4-Cu-CF - Quad Nichia 219C 5000K - ED4v2 - 18650 - Electronic Tail Sw - 3400lm.Copper, brass, carbon fibre & titanium construction
Quad Nichia 219C 5000K emitters
20mm Copper DTP MCPCB
20mm x 7mm solid copper heatsink
22mm x 2mm dual coated ARC glass
Green GITD glow bezel
Emisar D4v2 ramping driver
Copper, tritium & glass electronic tail switch
Lockout-able
Magnetic cell contacts
56, 2mm x 2mm tail magnets
18650 cell compatible

Length – 97mm
Width – 27mm
Weight – 241g (with 18650 cell)
Max - 3400lm

I built this light around an Emisar D4 driver and Nichia 219C LEDs.

It has an electronic tail switch to control the brightness ramping/ On, Off.
The switch signal from the momentary tail switch is conducted through an inner insulated brass tube to a sprung brass contact ring on the driver.

CRX SR4 runtime graph:

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Previous versions:

CRX SR4-T

SR4-C

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CRX CuTi Zoomie - KW CSLNM1.TG - FET 17 - 18350 - Forward Clicky Tritium Tail Switch - 609lm, 275lm, 59000cd.
CRX Rotary - XP-L-HI v2 3A 5000K - RSD7 - 18350 - Lighted Rotary Tail Switch/ Momentary Button - 1300lm.
CRX SR4 - Quad Nichia 219C 5000K - ED4v2 - 18650 - Electronic Tritium Tail Switch - 3400lm

USA · 2018-12-04T19:03:43.000Z

This is such a cool light.

jacktheclipper · 2018-12-04T19:49:11.000Z

Jerommel · 2018-12-04T20:03:36.000Z

Beautiful, again.

Tixx · 2018-12-04T21:25:02.000Z

Definitely need one of these! Impressive work!

xxx · 2018-12-05T00:14:09.000Z

Another masterpiece from CRX :+1:

Slayer1 · 2018-12-05T01:14:04.000Z

Awesome build!

raccoon · 2018-12-05T02:39:44.000Z

Amazing lights!

I think these are my favorites of yours, CRX.

Neal · 2018-12-05T03:22:48.000Z

Amazing!!!

ollywood · 2018-12-05T20:56:12.000Z

Love it!!!