Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass
Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass

Vintage Sylvania 12BY7 Tube 1956 tested good Smoked Glass

USD 20.00 USD
SKU: KrerFVDh
Brand: Sylvania
Tags: 12BY7 Glass SYLVANIA Tube United States
Categories: Vintage Electronics

Specifications

TypeTube
BrandSylvania
Model12BY7
Country/Region Of ManufactureUnited States

Up for sale here is this used Motorola-badged Sylvania 12BY7A tube. It has smoked glass, so it's hard to see the design. This has a 1956 date code. I tested this on my B&K 747B tube tester, and it tested at 80, with no shorts or grid emission, on a scale of 0-120, where 65 is minimum good.

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