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(!!) (Recommended Pair) 6BL7GTA GE "D" getter NOS 1950's same build (39/43ma and 41/40ma)
(!!) (Recommended Pair) 6BL7GTA GE "D" getter NOS 1950's same build (39/43ma and 41/40ma)
By Tube World
$ 26.99
1 pair) 6BL7GTA GE "D" getter NOS 1950's
1 tube) 39/43ma Gm=8100/8300 (rebranded Raytheon)
1 tube) 41/40ma Gm=8200/8100 (1958)
Recommended for
- Single Power MPX3 SE
- Cary 1610se
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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