(!!!) (#1 6X4W Raytheon 1953-1954) JRP-6X4W Raytheon NOS "D" getter NOS 1953-1954 original boxes (10 in stock)
(!!!) (#1 6X4W Tungsol from 1955 - matched set of 4) JTL-6X4W Tungsol NOS 1955 curved "D" getter halo (1 set of 4)
(!!!) (#1 6X4W Tungsol from 1955 - set of 10 tubes) JTL-6X4W Tungsol NOS 1955 curved "D" getter halo (1 set of 10)
(!!!) (#1 6X4W Tungsol from 1955) JTL-6X4W Tungsol NOS 1955 curved "D" getter halo (12 in stock) (best sound)
(!!!) (1 set of 10 tubes) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's (1 set of 10 tubes)
(!!!) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (18 in stock)
(!!!) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's (54/40 and 54/40)
(!!!) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's (55/40 and 56/40)
(!!!) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's (56/40 and 57/40)
(!!!) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's (56/40 and 58/40)
(!!) (#1 6X4 Pair) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's 1% matched
(!!) (#1 6X4 Pair) U78=6X4 GEC black plates branded MWT (Marconi Wireless Telegraph) UK NOS "D" getter halo 1950's 1-2% matched
(!!) (#2 6X4 RCA Pair) 6X4 RCA NOS O getter 1970 same date codes (50/40 and 52/40 x 2 tubes) 1% matched
(!) (#1 6X4 - BEST Ericsson PAIR) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's 1% matched
(!) (#1 6X4 BEST VALUE and SOUND) 6X4 RCA NOS 1960's - 1970's red printing (16 in stock)
(!) (#1 BEST 6X4 PAIR) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's 1% matched
(!) (#1 BEST 6X4WA) FAA-6X4WA Sylvania NOS 1966 (56/40 and 57/40)
