TK's Emisar D4 review

[goshdogit]

@goshdogit

I swapped some Nichia 219B 4500K R9080 emitters into one of my D4s today. :partying_face:

@SKV89

Did you measure lumen output on the 219B 9080? I wonder if it is safe to constantly run turbo on the 219B because that’s what most people do with the D4. I’m planning to put some 9080 219B in my D4 too.

I don’t have a way of measuring output, and I don’t have a clamp meter to measure current.

I built this D4 knowing that it wouldn’t be a powerhouse. It’s running ToyKeeper’s Andúril UI, which has a customizable ramp ceiling. I’ve set it to 50 levels below turbo, which visually appears to me as roughly half the brightness of turbo. Even so, I’ve been keeping it in muggle mode, which limits the highest output even more.

I admit that I’ve run the R9080 D4 in turbo a few times for just a couple of seconds.

My D9080s are from Clemence’s most recent group buy. They’re NVSL219BT-V1 sw45kD220L2R9080 according to the box’s label. Click to embiggen:

A discussion in the Q8 modding thread about Nichias in a Q8 led to djozz mentioning:

@djozz

The 219B V1 ’s have the low voltage of the 219C so will draw as much current, but they can not handle the direct drive, you will get over 6 amps each which is the max for 219C’s (In my Q8 with 219C’s I even used long thin led wires to get the current down to under 5A per led) but it is way overcurrent for the 219B that should idealy stay under 3A per led!!

djozz also shared a link to his thread about testing 219B emitters.

I love the 4500K R9080 tint. In addition to a D4, I have one in a Zebralight H51w, one in a Lumintop IYP365, and a loaded triple board waiting for the FW3A.