This is a pair of 7651 Beam Power Tubes. They are rated 27 KW peak pulse power
input to 1215 MHz.
They came from my Dad’s estate, and they appear to be new. I’m sure he never used them, but had a plan to build a transmitter with them at one time.
The post RCA JAN 7651 Beam Power Tube (pair) first appeared on Hamshack.