Please see Ian's comment to Snazzed:

If you e-mail your Model and Serial Number to noreen@axiomaudio.com she can tell you if you have all the latest Version 3 performance mods.
_________________________
E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
Audiobytes! 2M22! 2VP150!