Nuforce: At twice the price, I would certainly hope the MA-1's have something more going them that the M-60's don't beyond just more power, but that I don't know? Not having heard the MA-1's, I can't speak to the differences.
Didn't dawn on me, but my Pulsars are bi-amp-able. Just for kicks...
You might actually find yourself a bit surprised. Have had the A-S class d's going on a year now. Intent was (is) to see if there's something out there that could both suite my tastes and alleviate my never-ending (OCD-ish) urge to replenish my M-60's tubes.
To my ears, in my system, the class...
Just ordered a pair of A-S Class D's. Told they're 4-6 weeks out. Gives time to re-tube/re-bias my M-60's for comparison.
Not one that makes a lot of changes (too many other hobbies;) in my little system. Not necessarily in quest of the Holy Audio Grail here. Generally find something that makes...