27 National Union engraved base used/good 1930's (4.4ma)

Name: 27 National Union engraved base used/good 1930's (4.4ma)
Brand: Tube World
SKU: 27
Price: 12.99 USD
Availability: InStock

$ 12.99

27 National Union engraved base used/good 1930's

4.4ma

Gm=700

Tested on Amplitrex

Vplate=250V

Vgriod=-21V

NOS Ma = 4.6-5ma

NOS Gm=900

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