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(!!!) (Pair 1950's) 807 RCA black plate NOS 1956-1959 in white boxes (60.5ma and 61.2ma) (same Gm)
(!!!) (Pair 1950's) 807 RCA black plate NOS 1956-1959 in white boxes (60.5ma and 61.2ma) (same Gm)
$ 45.99
1 pair) 807 RCA black plate NOS 1956-1959 in white boxes
1 tube) 60.5ma Gm=5750 1959 darker base
1 tube) 61.2ma Gm=5750 1955 slightly faded printing
Tested on Amplitrex
Vplate=250V
Vsceen=250V
Vgrid=-14V
Good Ma range 60-70ma
Good Gm range 5200-5800
Recommended for:
- TRON JUBILATE
- VTL
- HEATHKIT W-1
See more: vacuum tube
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 (Pair 1950's) 807 RCA black plate NOS 1956-1959 in white boxes (60.5ma and 61.2ma) (same Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_42bf1fa0-aa2e-433d-a827-d4d2efbfe232.jpg?v=1761259011){kind=link}
 (Pair 1950's) 807 RCA black plate NOS 1956-1959 in white boxes (60.5ma and 61.2ma) (same Gm) "Pin It")