| Brand | Western Electric |
|---|---|
| Type | NOS Tube |
| Unit Type | Unit |
| Model | Western Electric 403B |
| MPN | 403B |
| Unit Quantity | 1 tube |
| Country of Origin | United States |
Check the listing for details. Western Electric 403B — 1963 — Single Tube — Amplitrex 100% 5100 GMT. Condition: Open box, Made in United States. Listed at 30.00 USD. Up for sale is a singleWestern Electric 403B vacuum tube, manufactured in1963. This is a premium, high-reliability pentode known for its exceptional build quality and longevity with highly coveted "Black Plates.".
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