OK:
http://www.atma-sphere.com/Resources/Paradigms_in_Amplifier_Design.php
The Merlin is designed on and for tube amps and is friendly to all tube amps as long as they make enough power.
http://www.atma-sphere.com/Resources/Paradigms_in_Amplifier_Design.php
The Merlin is designed on and for tube amps and is friendly to all tube amps as long as they make enough power.