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(!!!) (Recommended Pair) 2A3 RCA gray plates NOS late 1950's same build (117ma and 120ma)

$ 299.99

1 matched pair) 2A3 RCA gray plates NOS late 1950's same build

1 tube) 117ma

1 tube) 120ma

  

Test Data: Vplate=230V, Vgrid=-30V

1 tube) 117ma Gm=7400 (RCA branded GE)

1 tube) 120ma Gm=7150 (RCA)

Good NOS range 80-120ma

 

Test Data: Vplate=250V, Vgrid=-45V

1 tube) 60ma Gm=5700 (RCA branded GE)

1 tube) 62.5ma Gm=5600 (RCA)

Good NOS range 50-60ma

 

 

Recommended for

Tektron, Melody, Bottlehead, Ming Da, Musical Paradise

 

 

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