56 Ultron UK used/good 1952 (4.5ma)

Name: 56 Ultron UK used/good 1952 (4.5ma)
Brand: Tube World
SKU: 56
Price: 8.99 USD
Availability: InStock

$ 8.99

56 Ultron UK used/good 1952

4.5ma

Gm=1300

Tested on Amplitrex:

Vplate=250V

Vgrid=-13.5V

Iplate good range = 4.5-5.5ma

Good used Gm=1200-1300

(Vfilament = 2.5 volts)

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