I think that Gryphon does not offer the kind of sound you are looking for. Antileon amps are also very problematic, so I would rather avoid them.
I have had Lamm M1.2R, now I have Pass XA-.5 ... personally, I would go with Pass amps.
I have had Lamm M1.2R, now I have Pass XA-.5 ... personally, I would go with Pass amps.