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(!!!) (Best Pair) 6BL7GTA Sylvania branded RCA triple mica

(!!!) (Best Pair) 6BL7GTA Sylvania branded RCA triple mica "D" getter 1959-1960 (44.5/40.6ma and 41.5/42.0ma) (Close Gm)

$ 29.99

1 pair) 6BL7GTA Sylvania branded RCA triple mica "D" getter 1959-1960 

1 tube) 44.5/40.6ma Gm=7900/7650

1 tube) 41.5/42.0ma Gm=7700/7800 

 

Tested on Amplitrex


Recommended for

- Single Power MPX3 SE
- Cary 1610se

(Vfil=6.3V @ 1.5A, Vplate max=500V, Iplate max=60ma, Pout max = 12 watts total for both triode sides)
The 6BL7GTA is interchangeable with a 6BL7GT but differs from it in having
an improved section 1 for increased life as an oscillator, and controlled zero-bias
plate current in both sections
Typical Characteristics Class A Amp:
Vplate= 250V
Iplate= 42ma
Vgrid= -9
Rp= 2150 ohms
Mu= 15
Gm= 6200 for 6BL7 (RCA manual 1953) and 7000 mhos for 6BL7GTA (GE Manual 1957)


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