(!!!!) (Recommended Pair) 6F6G Marconi Spain NOS 1940's (33.2ma and 34.2ma)
(!!!!) (Recommended Pair) 6F6G Marconi Spain NOS 1940's (35.2ma and 34.0ma)
(!!!!) (Recommended Pair) 6F6G Marconi Spain NOS 1940's (37.5ma and 39ma)
(!!!!) (Recommended Pair) 6V6GT Sylvania green leaf coated glass NOS 1940's in white boxes (35ma and 37ma)
(!!!!) (Recommended Pair) 6V6GTA GE NOS 1960's - 1970 (38ma and 40ma) (Fender, Two Rock, Victoria)
(!!!!) (Recommended Pair) 717A=JAN-CTL-VT-269 Tungsol NOS 1940's (9.4ma and 8.5ma)
(!!!!) (Recommended RCA Single) 6V6G RCA branded Haltron coated glass NOS 1940's (42ma)
(!!!!) (Recommended RCA Single) JAN-CRC-6V6GT RCA black plate coated glass like new 1940's (49ma)
(!!!!) (Recommended Single) 6V6G Sylvania branded Haltron coated glass NOS 1940's (50ma)
(!!!!) 6V6G Mullard branded Haltron England NOS gray coated glass 1940's (45.5ma)
(!!!!) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (67ma) (1st version of ATS25)
(!!!) (#1 56 National Union Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.0ma and 5.2ma)
(!!!) (Best matched Quad) 56 National Union rebranded Western Electronics NOS 1940's (5.5/5.5/5.6/5.9ma) (matched quad)
(!!!) (Best NU Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.7ma and 5.9ma)
(!!!) (BEST PAIR #2) 47 RCA branded ARCTURUS NOS 1940's (34.5ma and 35.2ma)
(!!!) (BEST PAIR #3) 47 RCA branded ARCTURUS NOS 1940's (40ma and 40.2ma)
(!!!) (Best Pair 1946) 56 Sylvania black plate NOS 1946 (5.4ma and 5.7ma) (same Gm)
(!!!) (Best Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (59-60/40 and 60-60/40)
(!!!) (Best Pair) 1625 National Union NOS 1944 (90/40 x 2 tubes)
