Home » 6BL7GTA Sylvania Zenith NOS 1963 (38.5/34ma)

6BL7GTA Sylvania Zenith NOS 1963 (38.5/34ma)

Name: 6BL7GTA Sylvania Zenith NOS 1963 (38.5/34ma)
Brand: Tube World
SKU: 6BL7GTA
Price: 12.99 USD
Availability: InStock

By Tube World

$ 12.99

6BL7GTA Sylvania Zenith NOS 1963

1 section) 38.5ma Gm=7100

1 section) 34.0ma Gm=6700

Tested on Amplitrex

Recommended for

- 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)

See more: vacuum tube

Tags: 6BL7GT, 6BL7GTA, preamp tubes, Sylvania, Zenith