BTW, people have been saying for years that their 12 will tune at standard pitch, but most sound lousy there and its hard on the instrument, no matter who built it. Once you listen to the sound difference, you'll realize why tuning down with heavier makes sense.
But here's an opp for Rick to tell one on himself. Proving that we have all bought that line about tuning them up to pitch, including Mr. Fielding.....well in his younger days anyway.
The sad tale of Pedro, the Imploding Twelve