BC-221-AK, set up and running with the HS-30 headphones plugged in.

Valve spares inside the case, shown here with the chassis removed.

The 3 connections at the back on the right, are for the power from the batteries to the chassis.

 

 

 

 

You can see the 3 pin power connector that mates with the 3 pin socket inside the case in the photo above.

Spare 1 MHz crystal can be seen clipped to the right side of the chassis, you can see the octal base pins sticking up.

Under side view of BC-221-AK

Label from inside BC-221-AK showing its last date of being treated with Fungicidal Lacquer, showing this BC-221-AK to be W.W.II vintage!