No, I hadn't experienced anything like it before, and I haven't experienced anything like it since. Buying the Tempest and selling it prematurely was sort of like the breaking point of my interest in vapes turning into full on VAS, and I've since tried countless other vapes. While I do think I get a feel for devices pretty quickly, I definitely regret not experimenting more with the Tempest at the time.
I was low-temping it, possibly even exceptionally so. Never have been keen on OHE and I mainly wanted flavor, and I do recall setting the Wand temperature (timer) lower than recommended at times. Also, the main strain I had at the time was exceptionally terpy – I suspect it may have even been artificially terpy, I got it off the grey market and there was a lot of talk about sprayed bud at the time. But I didn't run into irritation while using the strain in my DV or Crafty, and after a couple days not using the Tempest (I don't remember if I vaped with other devices or if I stopped vaping altogether) it went away.
Looking back on it now, I do remember being quite neurotic about finding the perfect setting to set and forget, like to the point that I felt physical pressure and anxiety in my body. In my naiveté, I was really obsessed with the idea of a perfect Goldilocks vape at the time, and that compulsion definitely extended to the Tempest settings. I was constantly taking dry pulls on it while changing back and forth between different airflow settings / stem configurations. Maybe I just did that so much that it dried out my throat – that actually seems to me a plausible explanation.
I appreciate both of you for your thoughtful responses! Since the Tempest was in beta at the time, not too many people had the device and as a result it wasn't that surprising to me that no one else reported a similar issue. But now that it's been out in full release for sometime now and the sample size is much larger, the fact that no one else seems to have run into the same problem definitely makes me keen on giving it another shot.