I have sold my Alpha 78 and have 3 8874's tubes available. They have been checked in the 78 and run for a few hours but otherwise in new condition. Date codes are (2) 8525 and (1) 9334. I want $750 for the three plus shipping - about $15 Priority Mail. Any interest here before they go to the other place - please contact me off list. Thanks Bob W6VY