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6BL7GT Sylvania branded Tungsol triple mica "D" getter NOS 1956-1957
36.2ma Gm=6750
31.5ma Gm=6350
NOT A PAIR
Vplate=250V
Vgrid=-9V
Good Ma = 32-40ma
Good Gm = 6200 - 7000
- 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)
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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