Audible Illusions vs CJ preamps: sonic difference?

I know how CJ sounds; how does AI M3a sound different than say a PV-11 or PV-12?

Thanks
Jim

river25107-04-2012 12:18am

river251 OP Details Discussions Posts This discussion Message User 154 posts 08-04-2012 at 09:33pm Copy Comment URL Report Comment Edit Delete Is the 3A a current production model? Since the 3 has been from A to E, I'd be surprised...? Jim
river251 OP Details Discussions Posts This discussion Message User 154 posts 08-05-2012 at 03:44am Copy Comment URL Report Comment Edit Delete Thanks Stereo 5. Can older versions be upgraded to the B?