Of course not...might be similar by accident or whatever, but the basis of all SL amps (and thus our Odyssey amps) is the original Kraft 100 which Rolf and Dieter designed 38 years ago !!!!! From there on, all other designs derived from this momma of them all over the decades, and has nothing to do with neither Cambridge nor other companies, some of which (let's say heavily borrowed) some basic aspects of the SL designs....