With easily driven speakers ( impedance ), I much prefer the Mac amps without the autoformers. Same with OTL tube amps. But, let us be real. Many fine speakers are not easy to drive, and autoformers are there to keep the amplifier safe and sound ( pun intended ) and better match the speaker. Enjoy ! MrD.
MAC Autoformers?
Someone is selling a MAC MA6500 Integrated claiming its superiority over the Ma6600 due to the fact that "it does not have the degrading autoformer design found in the MA6600". That is the first time I've heard a claim that the autoformer was a hindrance to better performance; I thought quite the opposite. What do you MAC Maves think?