I openned these guys up today and reoptimized them for proper B+. I shot for ~360 VDC, and I'm getting 356 on one, and 353 on the other, not bad in my book.
Here are some better shots:
Inside shot. This shows the Russian PIO caps I used on the cap input (and the Solens that trim the voltage up a tad).
This is a top down view. The cover on the driver is spaced off with 3/8" standoffs.
Now you can see the Poseidon board. A few parts were omitted, some values were adjusted ever so slightly.
Shot with
E5700 at 2008-01-04
One last shot of the pair.