Ah, ok. The Aries is at 16V so I assume that won't work. What about a piece like the Wyred 4 Sound Remedy that operates at 9V? Or is under 12V just as much of a no-go as over? Thanks Vinnie.
Hi lousyreeds1,
While I cannot confirm if it is 100% accurate, someone did mention to me that the Aries can run 12 - 19V input (with 16V being the sweet spot), and max current draw is 1A (with 16V drawing approx. 0.5A).
I recommend you contact the company and if you get the 'ok' to feed it 12Vdc (and if it draws no more than 1A), then you should try it.
Otherwise, contact me via email about the option of having me install a 16V output for your Isabellina HPA. It could be done, but not something
that I will have time to do for at least 6 weeks.

Vinnie