What Class A is better? SUGDEN FPA-4 or PASS LABS XA-25

Looking at the parts only inside viewpoint, the Pass25 has got the nod over the Sugden.

Bigger trany
More supply capacitance
Multiple smaller PS caps for lower esr
More heatsink fin area, which makes me question the Sugden’s amount of Class-A.

Pass:
http://www.6moons.com/audioreviews2/passlabs3/open.jpg

Sugden:
https://i.pinimg.com/564x/5d/79/d3/5d79d3b2cae87e51ce6b5adc221db1bc--audio.jpg

Cheers George

The question is based on listening!
It is not a project comparison.

designed by James Sugden, for Universities. The A21 was the first amplifier to be put into production

I think you’ll find one that I had was even earlier, the Sugden P51 C51

Cheers George

Sugden P51 C51 pre/power
In case your wondering, 1960's
http://img.canuckaudiomart.com/uploads/large/1792160-sugden-p51-and-c51-combo.jpg

Cheers George

Too many ignoramuses on this thread. If you don't know who Sugden is then why bother commenting?