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12SK7GT Sylvania branded Westinghouse chrome top NOS 1955 (8.5ma)

Name: 12SK7GT Sylvania branded Westinghouse chrome top NOS 1955 (8.5ma)
Brand: Tube World
SKU: 12SK7GT
Price: 12.99 USD
Availability: InStock

By Tube World

$ 12.99

12SK7GT Sylvania branded Westinghouse chrome top NOS 1955 small hairline crack in base

8.5ma

Gm=1800

Tested on Amplitrex:

Good NOS mA range 8 - 9ma

Good NOS GM range 1700-2000

Vplate = 250V

Vscreen = 100V

Vgrid = -3V

NOS Ma = 8-9ma

NOS GM = 1900-2000

for:

Collins TCS14 1944

See more: vacuum tube

Tags: 12SK7, 12SK7GT, 1940's, all, RCA

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