5879 RCA, matched pair, altec westrex citation pre amplifier 262a 422a

Description

Each buy is for a set of two amplifier tubes.
Matched pair.  Previously aged and selected by Tektronix.
Condition is new old stock.
Both tubes check good at 1000  650 is good.
Checked on Triplett 3444 tester.
No gas, no leakage, no loose parts, no loose particles.
See photos.
Shipped with USPS Priority Mail.
Items may be combined for shipping.