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(slightly microphonic tube) 12AU7A RCA tall black ribbed plates "D" getter halo used/good 1950's (8.2/8.8ma)
(slightly microphonic tube) JRC-12AU7 RCA tall black ribbed plates "D" getter halo tests like new 1950's (9.6/10.4ma)
(slightly microphonic) 12BH7 GE Zenith NOS "U" getter 1953 (10.0/10.6ma)
(slightly microphonic) 6201=12AT7 RCA black plates NOS 1976 (11/12.4ma)
(slightly microphonic) 6922 Amperex PQ Holland 1962 low hours/like new (11.2/11.6ma)
(slightly microphonic) 6SN7GT Hytron NOS 1948 (7/8ma)
(slightly microphonic) 6SN7GTA GE NOS 1952 copper grid posts (7.4/10ma)
(slightly microphonic) 7062 Amperex Holland "PQ" NOS large "O" getter halo 1961 (8.6/9.0ma)
(slightly microphonic) 7062 Amperex Holland "PQ" NOS large "O" getter halo 1962 (6.8/7.0ma)
(slightly microphonic) JAN-7044 GE NOS 1974 (38.5/40.5ma)
(slightly microphonic) JAN-CHS-6SN7W Sylvania "SHORT BOTTLE" used/good 1945 (7.0/7.6ma)
(sold out) 6414 Raytheon triple mica black plates NOS 1950's misbranded E80CC National
(~) (BEST PRICE) 26 ST-14 US Brands used/good 1930's - 1940's (20 in stock) (Best Price)
*** $2.99 each SALE *** 5-8 pin tubes SOLD AS-IS UNTESTED (Minimum 5 tubes purchased) (select tube # at checkout)
*** (BEST PRICE) *** 6C6 Sylvania NOS 1940's (10 in stock)
*** (BEST PRICE) *** 77 US Brands NOS 1940's ($2.99 each minimum 2 purchased)
*** (BEST PRICE) UY-224 US Brands used/good
*** SPAIN 2.24.25 (!!!) (Recommended Single) 6922=E88CC Tesla Czech Republic NOS 1972 (10.8/11.5ma)
01A National Union NOS 1940's (3.1ma)
01A Raytheon 4-Pillar box plate NOS 1930's (2.8ma)