Question: How does the Stereo 50 achieve 25W+25W?
The short answer is that the Stereo 50 is measured using a music signal into real speakers (the LS3.5 to be precise) as opposed to a sine wave test into a resistor.
This has been outlined in the technical specifications area of the Retro Stereo 50 webpage.
As this uses a music signal, this we feel is relevant in the real world and differences tend to be large.
