Best 6F6G pairs listed at:

6F6=VT-66 / 6F6G / 6F6GT Pentode (click on links below to check stock) 6F6 metal can 6F6G 6F6GT
6F6=VT-66 Metal Can (US BRANDS) (similar to Type 42 and 1611, 1613, 1621) (6.3V @ 700ma, 11 watts) - Sparton Nocturne 1186 from 1936 - Fire Stone Sir Chef S-7404-3 1939 - Montgomery-Ward Airline Model 62-226 TO BUY 6F6
6F6 metal NOS $14: ----------------- 1 pair $28) 6F6 GE metal NOS 1960's (53.5, 55.8ma) 10) RCA 1960's - 1970 1) Dumont 1) GE 1) GE branded Amperex 63ma 6F6 US Brands metal used/test like new $10: ------------------------------------------ 1) VT-66 RCA 1940's (54.5ma) 1) VT-66 RCA 1940's (52.5ma) 1) VT-66 RCA 1940's (54ma) 6F6 US Brands metal used/good $7.50: ----------------------------------- 1) Ken Rad 1940's 53ma 1) RCA 1946 47ma 1) Sylvania 56ma 1) VT-66 RCA 1940's (49ma) 1) GE $5 (39ma)
6F6G CANADA / FRANCE (similiar to 10E/346, KT63, VT-66A, CV1911) TO BUY 6F6G
- Supratek Cortese - Victoria - WE 106 preamp clone - Wards Airline Radio 6F6G SINGLE TUBES: ----------------- 1) Sylvania NOS 1951 $35 (57ma) 6F6G engraved base test like new 1930's $25: ------------------------------------------- 1) Sylvania engraved base (42ma) 6F6G used/good: -------------- 1) Tungsol smeared printing $8 (27ma) display tubes: ------------- 8) US Brands, dud display tubes, some work but are gassy $2 ea
6F6GT (very nice in Supratek Cortese) 6F6GT Sylvania branded Philco and Westinghouse 1951-1952 TO BUY 6F6GT
(MAXI-MATCHER MATCHED PAIRS AND QUADS: Vplate=325V, Vscreen=325V, Vgrid=-24V) 6F6GT Sylvania branded Westinghouse NOS 1952 (recommended quads): ---------------------------------------------------------------- 2 platinum quads within 1-2ma $115/quad) (4 tubes) 60-62ma (recommended quad) BEST QUADS 1 platinum quad within 1-2ma $99) (4 tubes) 57-59ma (recommended quad) 1 platinum quad within 1-2ma $99) (4 tubes) 54-56ma (recommended quad) 1 pair $45) (1) 48ma (1) 52ma