Did anyone drop this link yet?
http://www.atma-sphere.com/Resources/Paradigms_in_Amplifier_Design.php
These two speakers seem to operate under two different paradigms. The Tannoy is the Power paradigm, the Magico on the Voltage Paradigm. So you will need different amplifiers to show either one off properly (although my IME you will have a better change of getting the Tannoy to sound like real music- see the article for why).
http://www.atma-sphere.com/Resources/Paradigms_in_Amplifier_Design.php
These two speakers seem to operate under two different paradigms. The Tannoy is the Power paradigm, the Magico on the Voltage Paradigm. So you will need different amplifiers to show either one off properly (although my IME you will have a better change of getting the Tannoy to sound like real music- see the article for why).