(1) Tested Strong Deforest Sanabria 19AU4GTA Tube Date Code 61-09 19AU4 GTA

RAYTHEON - NOS 25BQ6GT/B Electronic Tube - Tested STRONG

RAYTHEON - NOS 6AY3B Electronic Tube - Tested STRONG

RAYTHEON - NOS 5CQ8 Electronic Tube - Tested STRONG

RAYTHEON - NOS 2AH2 Electronic Tube - Tested STRONG

RAYTHEON - NOS 16AQ3 Electronic Tube - Tested STRONG

(1) Tested Strong Motorola 19AU4 Tube Date Code 5727 Half Wave Rectifier

Raytheon 19AU4GTA Vacuum Tube NOS Radio Valve