[Premium-Rx] IERC tube shields for sale

[Paul]

Have very nice condition IERC TR series tube shields for R-390A and 
other receivers using 7 and 9 pin tubes.  $5 per shield and free 
shipping in USA when you buy 5 or more tube shields.
73,
Paul W5NTQ

I believe the following  is a correct count for a R-390A receiver, 
7S=TR5-5015B, 7M=TR5-5020B, 7T=TR5-5025B; 9S=TR6-6015B, 9M=TR6=6020B, 
9T=TR6-6025B

PS: 2-9M (using tubes); 2-9S (using SS plug-ins); 0-using wired in diodes
IF: 3-9M, 5-7M, [1-9T (If filament current regulator tube installed)]
Audio: 2-7M, 2-9M, 1-7T
PTO: 1-7M
RF: 2-7S, 4-7M, 2-9M