NOS NIB Matched Pair WE 274A Western Electric Vacuum Tubes! The Ultimate 5Z3 rectifier $3,999 per pair mathced pair in original boxes,1959 version, excellent flashing. Brand New in Original Boxes! Perfectly matched! This is a suitable replacement for any 274A Full-Wave Rectifier tube type. Various brands available.
The Western Electric 336A tube was used in speech input equipment and the 106 type amplifier. These are very rare, and we were lucky enough to get 4 pcs in stock NOS in original boxes. $499.99 per tube.