I doubt a photo of the internals will resolve the debate but here is one anyway.
http://www.mygarage.ro/attachments/vanzari/326359d1432577051-vand-amplificator-abrahamsen-v2-0-up-5_f.jpg
I can see 2 blue squares, 2 sets of 6 brown things, 2 sets of power feeds and a bunch of other paired...