Stable into load is not the same as linear into load.
Here are two amps recently measured at Stereophile:
Sidebar 3: Measurements
www.stereophile.com
www.stereophile.com
Most amps are not flat into 100 kHz and don't need to be, so I don't think that is the point. The point is that folks can buy very high-performance electronics but poor performing speakers, regardless of the cost.
Here is a link to Dr. Toole's system:
By Dr. Floyd Toole, introduction by John Schuermann So, if you are literally one of the world's foremost authorities on loudspeakers, rooms, and acoustics - and have literally written the industry accepted book on the subject -- what components and speakers do you chose for your own personal...
www.thescreeningroomav.com
For some reason, he chose 400 WPC Mark Levinson No.536 mono-block power amplifiers. These mono-blocks list for a measly $15,000 each
Obviously, he pays some attention to the amplifier.
- Rich