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(!!) (#1 6C6G BEST VALUE PAIR) 6C8G RCA round charcoal black plates 1942-1946 era identical internal build (3.0/3.2ma and 3.0/3.3ma)

$ 22.99

1 matched pair) 6C8G RCA round charcoal black plates 1942-1946 same internal build in white boxes

1 tube) 3.0/3.2ma Gm=1400/1400 RCA RADIOTRON 

1 tube) 3.0/3.3ma Gm=1500/1500 RCA branded KNIGHT

 

Tested in Amplitrex

Vplate = 250V

Vgrid = -4.6V

Good used Ma = 2.5-3ma

Good NOS Gm 1400-1500

 

dual-triode

You an buy an adapter socket on EBAY to sub this tube for a 6SL7GT

See more: vacuum tube
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