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If you want to actually vape the lavatube at high voltage you will need a 2.5 or better yet a 3ohm carto.
It doesn't have to be confusing. The heat generated is roughly proportional to the power output. The higher the heat the stronger the throat hit and to a point the stronger the flavor. There are several limits: beyond a certain power, the flavor will start to taste burnt; beyond a certain power, your atty or carto may risk popping; small batteries can't handle the current (Amps) necessary to put out certain power at their voltage and will break. By the same token, the LavaTube doesn't like the current needed to power a lower resistance device above a certain voltage and cuts down the voltage. It's all in Power = Volts * Volts / Resistance.
Check this out: http://www.e-cigarette-forum.com/fo...best-voltages-_-ohms-chart-2.html#post5046283
A special note is needed for "dual coil" devices. These have two coils of "standard resistance" linked in parallel. Ohm's law applies differently to parallel circuits, hence the total resistance of the device is R*R/R+R. These devices, as a whole have a low resistance (~1.6 Ohm) so they draw power like a low resistance device. They don't heat up as much for a given voltage, but being two coils, they heat up more juice. Anyway, the main point is that because each coil is standard resistance, the carto can handle any voltage you could throw at a standard resistance single coil. Still, it will draw / require much higher current at a given voltage, reason for which some VV mods choke on them. Best example - ProVari version 2 has an increased current limit in order to tolerate dual coil cartos...
Now I hope I didn't add to the confusion.
Check this out: http://www.e-cigarette-forum.com/fo...best-voltages-_-ohms-chart-2.html#post5046283
A special note is needed for "dual coil" devices. These have two coils of "standard resistance" linked in parallel. Ohm's law applies differently to parallel circuits, hence the total resistance of the device is R*R/R+R. These devices, as a whole have a low resistance (~1.6 Ohm) so they draw power like a low resistance device. They don't heat up as much for a given voltage, but being two coils, they heat up more juice. Anyway, the main point is that because each coil is standard resistance, the carto can handle any voltage you could throw at a standard resistance single coil. Still, it will draw / require much higher current at a given voltage, reason for which some VV mods choke on them. Best example - ProVari version 2 has an increased current limit in order to tolerate dual coil cartos...
Now I hope I didn't add to the confusion.
Just skip 2.5 ohm, you need 3.0 cartos and higher for high voltage vaping. 2.5 and lower WILL burn up and things won't taste too nice.
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