Strong Testing Match Pair Of Raytheon Dark Glass 6V6 Audio Tubes

Tested Strong Raytheon 12AT7 ECC 81 Electronic Vacuum Tube

Vintage Tested Strong Raytheon 12BD6 Radio HAM Vacuum Tube Black Round Plate

RAYTHEON - 6LE8 Electronic Tube - Tested STRONG

RAYTHEON - 12DW4A Electronic Tube - Tested STRONG

RAYTHEON - 12AX4GTB Electronic Tube - Tested STRONG

RAYTHEON - 6BE3 Electronic Tube - Tested STRONG

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