(Best Single #2) 6C8G RCA black plates NOS 1957 (4.2/3.8ma) (Same Gm)
$ 21.99
6C8G RCA black plates NOS 1957
4.2ma Gm=1500
3.8ma Gm=1500
Tested in Amplitrex
Vplate = 250V
Vgrid = -4.6V
Good NOS Ma = 3ma
Good NOS Gm 1500-1600
dual-triode
You can buy an adapter socket on EBAY to sub this tube for a 6SL7GT
See more: vacuum tube
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 6C8G RCA black plates NOS 1957 (4.2/3.8ma) (Same Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shopifycloud/storefront/assets/no-image-2048-a2addb12.gif){kind=link}
 6C8G RCA black plates NOS 1957 (4.2/3.8ma) (Same Gm) "Pin It")