Vacuum tube type IL4
Radio Corporation of America (RCA)
||Printed in white on side of tube
||Printed in grey on side of tube
overall: 2 1/8 in x 3/4 in x 3/4 in
This tube has 7 connector pins. The RCA logo and "MADE IN THE USA" are printed in white on the tube. The tip of the tube is marked with red paint.