I'm not sure when my Blackface was made, but my reciept would give some idea.
I might be able to tell if it's got same guts as yours by looking thru the vent holes, but;
I've owned both other earlier versions, and noticed no diff in tone or power output.
ymmv-alan
I might be able to tell if it's got same guts as yours by looking thru the vent holes, but;
I've owned both other earlier versions, and noticed no diff in tone or power output.
ymmv-alan