Silvertone model 4663 tombstone working original circa 1938

[old_coot88]

Originally Posted by truetone36

The (Apex) Model 30 is similar to the 80, but the cabinet is not as ornate.

There was something curious about the Apex model 80. It had what looked like a copper oxide rectifier on the power supply box. Does the Model 30 use the same 'big black box' power supply as the Model 80? And is that gizmo indeed a copper oxide rectifier? If so, what's it for, speaker field maybe?

Back on Silvertone topic, this website is a really nice resource..
http://sfhobbies.com/