12J5GT Tung-Sol
- ✅ Quantity: 4 Pcs
- ✅ Brand / Type: Tung-Sol
- ✅ Tube Model: 12J5GT
- ✅ Country of Origin: Made in USA
- ✅ Tested on: AVO Type 160 British Tube Tester
About This Tube
The 12J5GT is a high-quality octal-base triode widely used in audio circuits, early computing equipment,
and industrial control applications. It is known for its low noise, excellent stability, and smooth signal characteristics.
Because it is a single triode (half of a 6SN7), it is often used in input stages, driver stages, and preamps where clean amplification is required.
- • Reliable Tung-Sol construction with strong vacuum and rugged build.
- • Warm, smooth tonal characteristics ideal for audio preamp use.
- • Long lifespan — highly regarded for consistency between units.
- • Low microphonics, making it suitable for sensitive audio stages.
| Serial No. | Ia (mA) | mA/V |
| 5138011 | 12.2 | 3.2 |
| 5138022 | 12.1 | 2.6 |
| 5138012 | 12.1 | 2.8 |
| 5138017 | 12.4 | 2.9 |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.











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