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(!!!!) (Pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's (35ma and 37.5ma) (same Gm) Image 1

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(!!!!) (Pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's (35ma and 37.5ma) (same Gm)

Name: (!!!!) (Pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's (35ma and 37.5ma) (same Gm)
Brand: tubeworldexpress.shop
SKU: 12b4a-gp4
Price: 17.99 USD
Availability: InStock
Rating: 5 (1165 reviews)

$17.99 $20.99

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12B4 12B4A 1960's 1962 GE preamp tubes

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Preamp tubes

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Description

1 pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's

1 tube) 35.0ma Gm=7000

1 tube) 37.5ma Gm=7000

Matched on Amplitrex

Vplate=140

Vgrid=-15V

Good Ma range 25-40ma

Good Gm = 6000

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(!!!!) (Pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's (35ma and 37.5ma) (same Gm)

Description

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