Tightly Matched Pair 5U4GB/5AS4A Sylvania NOS black plate/tall boy Tubes tested
Tightly Matched Pair 5U4GB/5AS4A Sylvania NOS black plate/tall boy Tubes tested Tightly Matched Pair 5U4GB/5AS4A Sylvania NOS black plate/tall boy Tubes tested

Tightly Matched Pair 5U4GB/5AS4A Sylvania NOS black plate/tall boy Tubes tested

USD 49.95 USD
SKU: fpAHELIr
Brand: SYLVANIA
MPN: 5U4GB
Condition: New
Tags: 5U4GB 5U4GB 5AS4A AS-4A SYLVANIA United States Vacuum Tube
Categories: Vintage Electronics

Specifications

BrandSYLVANIA
TypeVacuum Tube
Model5U4GB/5AS4A
MPN5U4GB
Country Of OriginUnited States

Tightly Matched Pair. Vacuum Tubes. Tubes will generally be cleaned. Clean tubes will radiate heat better & operate cooler. Triplett tests rectifiers under load (the best test) & indicates whether they test correctly or not - no GM on rectifiers.

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