56 Philco by Sylvania used/good 1940's (5.2ma)

Name: 56 Philco by Sylvania used/good 1940's (5.2ma)
Brand: Tube World
SKU: 56
Price: 9.99 USD
Availability: InStock

$ 9.99

56 Philco by Sylvania used/good 1940's

5.2ma

Gm=1300

Tested on Amplitrex:

Vplate=250V

Vgrid=-13.5V

Iplate good range = 4.5-5.5ma

Gm=1400

(Vfilament = 2.5 volts)