(!!) 6BL7GTA GE NOS "D" getter 1958 (43ma/53ma)
$ 12.99
1 tube) 6BL7GTA GE NOS "D" getter 1958
43ma Gm=8300
53ma Gm=8900
Tested on Amplitrex
Iplate=250V
Vgrid=-9V
Good Ma = 32-40ma
Good Gm = 6200 - 7000
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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 6BL7GTA GE NOS "D" getter 1958 (43ma/53ma) "Pin It")