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(!) (Pair) 12B4A RCA NOS 1971-1974 (42ma and 36.5ma)
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(!) (Pair) 12B4A RCA NOS 1971-1974 (42ma and 36.5ma)
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(!) (Pair) 12B4A RCA NOS 1971-1974 (42ma and 36.5ma)1 matched pair) 12B4A RCA NOS 1971 1974 1 tube) 36. 5ma Gm=6500 1 tube) 42. 0ma Gm=7100 Matched on Amplitrex AT1000 (Vplate=140V, Vgrid= 15V, Good Iplate range 25 40ma) Good Gm range 5500 7000
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1 matched pair) 12B4A RCA NOS 1971-1974
1 tube) 36.5ma Gm=6500
1 tube) 42.0ma Gm=7100
Matched on Amplitrex AT1000
(Vplate=140V, Vgrid=-15V, Good Iplate range 25-40ma)
Good Gm range 5500-7000
(!) (Pair) 12B4A RCA NOS 1971-1974 (42ma and 36.5ma)
Item no
:
7097989805
US$ 19.99
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1piece
Shipping Estimate
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 24 - Jun 29
US$40
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