05-13-2014, 07:26 PM
Yes they are. I did not watch the order when I wrote, but the tubes names are on the sockets - hard to miss.
But you are right , I think 58 is before 57.
In superhets it could be otherwise.
57 is DO, then 58 is IF. (american Bosch 305)
But you are right , I think 58 is before 57.
In superhets it could be otherwise.
57 is DO, then 58 is IF. (american Bosch 305)
