Just thought I'd throw my experience in here...
I got my ithaka Monday... Love it Imeo, lovely piece of engineering!
Actually, I should say I love it
now. It took about 5 builds of experimenting to finally get it right. At least right for me. Ended up with dual X coils at about 0.7ohm.
The tid-bit of info I'd like to add that I've discovered in my short time with the device:
Lesson learned: Ensure coil(s) are below the edge of the ceramic as to not make contact with the inside of the mouthpiece chamber.
Don't know if this has been stated by anyone else (I didn't see warnings from the videos I've watch), or it is possibly just common knowledge... regardless, I thought I'd share in case it could help someone else.
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She looks sexy on the Paps Lux