GE 12AT7-ECC81
- ✅ Type: 12AT7-ECC81
- ✅ Brand: GE (General Electric)
- ✅ Design: Low Noise Rod Support Structure
- ✅ Getter Type: “O” Getter
- ✅ Date Code: CR 188-5
- ✅ Origin: Made in U.S.A
- ✅ Condition: New Old Stock (NOS), New in Original Box
- ✅ Quantity: 4 Pieces (Matched Quad)
- ✅ Tested on: Amplitrex AT1000 Advanced Digital Tube Tester
Test Results
| Sr. No. | Section | Ip (mA) | Gm (uMhos) |
| 2478001 | T1 | 9.0 | 5220 |
| T2 | 7.6 | 5070 | |
| 2014100 | T1 | 7.0 | 5000 |
| T2 | 6.2 | 4560 | |
| 2014096 | T1 | 10.0 | 5560 |
| T2 | 9.8 | 5900 | |
| 2478002 | T1 | 7.2 | 5080 |
| T2 | 7.6 | 4700 |
About This Tube
The GE 12AT7 / ECC81 is a high-quality American-made dual triode tube known for its low noise performance, clear tone, and excellent consistency.
The Rod Support design improves mechanical stability and reduces microphonics, making it ideal for audio preamps, microphone circuits, and vintage amplifiers.
Each tube has been tested and matched using the Amplitrex AT1000 for dependable performance and reliability.
⚠️ Custom duties and taxes are the responsibility of the buyer in their country.













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