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(!!) (Recommended Pair) 6BL7GTA RCA NOS and like new 1960's (34/40ma and 38.6/39.8ma)
(!!) (Recommended Pair) 6BL7GTA RCA NOS and like new 1960's (34/40ma and 38.6/39.8ma)
By Tube World
$ 19.99
1 pair) 6BL7GTA RCA 1960's same build 1960's copper grid posts
1 tube) 38.6ma/39.8ma Gm=6750/7100 RCA like new taller bottle
1 tube) 34.0ma/40.0ma Gm=6400/7250 RCA branded GE NOS
Matched on Amplitrex
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 RCA NOS and like new 1960's (34/40ma and 38.6/39.8ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_adf4df6e-904f-432f-91c9-9ad2950e2f8e.jpg?v=1630088232){kind=link}
 (Recommended Pair) 6BL7GTA RCA NOS and like new 1960's (34/40ma and 38.6/39.8ma) "Pin It")