Forgot to mention detail retrieval as well....I do think the 600's are a bit more detailed over the whole spectrum versus the 500's.
As noted above, Bel Canto does feel that these are the best amps they have built (not counting the Black amps). These are trickle down tech from the Blacks.
As noted above, Bel Canto does feel that these are the best amps they have built (not counting the Black amps). These are trickle down tech from the Blacks.