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(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma) Image 1

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(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)

Name: (!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)
Brand: tubeworldexpress.shop
SKU: 231-31-us-made-balloon-nos-1920s-14-2ma
Price: 25.00 USD
Availability: InStock
Rating: 5 (1554 reviews)

$25.00 $29.99

Tags:

1920's 1940's 231 31 all Balloon engraved base Philco RCA Victor triode Tungsol

Categories:

Power Tubes

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Description

231=31 US Made Balloon NOS 1920's

14.2ma

Gm=900

1 TUBE ONLY

Vplate=180V

Vgrid=-30V

Good NOS Ma = 11 -12ma

Good Gm = 900-1000+

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(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)

Description

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