Sylvania 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 116/122, Min:54/54
Sylvania 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 116/122, Min:54/54 Sylvania 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 116/122, Min:54/54 Sylvania 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 116/122, Min:54/54

Sylvania 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 116/122, Min:54/54

USD 36.95 USD
SKU: 3mQLadH8
Brand: SYLVANIA
Condition: New
Tags: 5U4GB 5AS4A AS-4A SYLVANIA United States
Categories: Vintage Electronics

Specifications

Materials Sourced FromUnited States
BrandSYLVANIA
Type5U4GB / 5AS4A
Model5U4GB / 5AS4A
Country Of OriginUnited States

Hickok 539B tested. Hickok 539B is a mutual conductance (Gm) type tube tester. Tube features black smooth plates and a top-mounted 'Halo-Ring' getter construction. (Plate#1 / Plate#2). Test Results.

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