GE General Electric 5687 1950s
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The GE 5687 "5 Star" is a premium, ruggedized version of the standard 5687 dual triode vacuum tube, highly regarded by audiophiles for its improved reliability and sound quality.
Unlike the "5-star" in a rating system, the term "5 Star" here refers to General Electric’s specific high-reliability (Hi-Rel) industrial line of tubes. These were designed to withstand severe conditions, including high levels of mechanical shock and vibration, making them much sought after for high-end audio amplification.
Key Characteristics
Ruggedized Construction: The "5 Star" series features reinforced components, such as thicker support rods and enhanced internal bracing, which significantly reduce noise and microphonics compared to standard 5687 tubes.
Performance: They are known for being quiet, reliable, and having a sound signature often compared favorably to the Tung-Sol 5687.
Application: The 5687 is a medium-mu, nine-pin miniature twin triode commonly used in high-fidelity tube amplifiers and preamplifiers due to its high perveance and emission capabilities.
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 2 days ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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