(!!) (recommended Pair) 6BL7GTA GE NOS 1966-1970 (47/50ma and 42/51ma)
By Tube World
$ 26.99
1 pair) 6BL7GTA GE NOS 1966 (EV)
1 tube) 47/50ma Gm=8200/8300 (EV) 1966)
1 tube) 42/51ma Gm=7700/7800 (1970 era)
Vplate=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)
See more: vacuum tube
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 (recommended Pair) 6BL7GTA GE NOS 1966-1970 (47/50ma and 42/51ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_70ade4be-0f31-4611-bc3a-752bb6e20006.jpg?v=1693080380){kind=link}
 (recommended Pair) 6BL7GTA GE NOS 1966-1970 (47/50ma and 42/51ma) "Pin It")