Well, to an extent of course, it depends on the build.. When I first got it, I vaped on the tri coil for a baseline. The flavor is very good, as far as the break-in, I'd say maybe 10-20 vapes, and it was fine. I don't just prime clearo coils though, After they are in the full tank for 30 min or so, I close the airflow right off, ans suck hard on the driptip a few times to force juice into the coils, then let it sit a while and repeat before I hit the fire button. I have found this extends the life of the coils by ensuringthere are no dry spots anywhere in the head, I also start at 35 watts, and work my way up to full power over the first 15-20 vapes on a new coil.
When I switched to the Dual RBA, I actually left the coils it came with in, and just wicked them. I would say the flavor was very close to the tri coil, and the vapor was less. My first proper build, I did after another cycle with the tri coil, 2.3 mm coils 22 guage 304 stainless 7 wraps. The flavor was I think even or perhaps a hair better than the tri coil, vapor about the same, but it used less juice. Did another cycle with the tri coil, and then managed to squeeze 3mm 7 wrap 22 gauge 304 ss into the RBA. A very tight fit.
The effect was astounding. Better vapor, better flavor than the tri coil to an amazing degree. Juice guzzleage was hover at least on par, maybe more than the tri coil. The flavour though, made me wonder why I even own any other atty. And the cloud just kept pouring out of my face! I felt like I should name it!
The 3mm build however demands your "A Game" when it comes to wicking. Any sloppyness, and those coils will incinerate your cotton faster than the unclean in the presence of the Arc of the Covenant., unless you are in SS temp control mode.
The draw with the dual RBA is so close to the tri coil, I don't know if I could tell the difference between them. I'm on the quad coil now, it is much more airy than either the tri coil or the Dual RBA, the flavor seems equal to the tricoil, the amount of vapor perhaps slightly more. The 3mm build in the Dual RBA is still, in my opinion far superiour for both vapor, and flavor. Still comparing guzzleage, but they seem close.
I obtained a single coil RBA, and you can see that it is not going to compare with the factory coils. I suspect this is by design. It works, the flavor is good, but not comparable to either the factory coils, or the Dual RBA. Its great to have as an "emergency" soloution if a coil dies, and there are no new ones readily available. The deck is huge, the juice channels are the biggest I've ever seen, but there is too much space I think in the single RBA to produce flavor that would equal the other coil choices. For someone who has never built though, it might be perfect. Its dirt simple, almost impossible to botch either the build or wicking.
I guess there is one more factor worth mentioning, and that is capacity. Not that capacity is ever going to be a bonafide concern in this beheamoth, but you get slightly more capacith with the quad coil. Both the single, and dual coil RBAs,and the tri coil are roughly the same size, the quad coil though, is smaller, and gives you a little more capacity. Don't ask me how much more, I'm not going to bother measuring it, but I'd guess about a mil to a mil and a half.
Edit: Ok. The quad coil. It is so airy, that I need to close down the air control to get enough suction to pull the juice into the coil. I use only max VG, so it might be different with juice that has greater PG.
I also realized the although I mentioned capacity earlier, USABLE capacity is a bit of an issue I think with the TFV4
Because the coils are so absolutly ginormous, the slots for the intake on both the tri and quad coils extend nearly to the top of the coil head. In real life use, I tilt the tank to vape, and of course, the juice is at an uneven leven in the tank when I do this.
I've noticed that in orger to prevent the juice intakes on the tri, and quad coils from sucking air by tilting the tank, the tank has to remain very full. 65% or so I'd guess, or it would seem you risk getting dry spots in your coils.
Maybe I worry too much. On the dual RBA however, the intakes are on the bottom of the rba, so the juice level in the tank can be much lower, and all 4 intakes are still covered by juice when the tank is tilted to vape.
It's top fill, so banging the juice in to top it up is no real hardship. The annoyance is, that I usually put the factory coils in if I am expecting to be out for the day, and the curcuimstances won't likely allow for any fiddling. In these curcuimstances, you had better commit to one juice, because unlike the RBA, you can't even come close to draining the tank with out risking sucking air into the coil wicks. If you want a different juice, you are going to have to dump the old out (never an option for a cheap bastard like me) or somehow extract it, and then add new juice up to the brim. Not that bad at home, impossible for me at work. Just somthing to keep in mind. If you want the same juice all day, not even an issue.
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