5687 Chelmer — 4 Pcs
- ✅ Brand: GE
- ✅ Model: 5687
- ✅ Plate Type: Black Plate
- ✅ Getter Type: “D” Getter
- ✅ Origin: Made in USA
- ✅ Condition: Printing & Box by Chelmer
- ✅ Tested: On Amplitrex AT1000 Tube Tester
About This Tube
The Chelmer 5687 is a high-quality dual triode tube widely used in professional audio equipment and high-fidelity amplifiers. Featuring black plates and a top ring getter, it delivers excellent linearity, low noise, and consistent performance. Supplied in original GVT boxes and fully tested on an Amplitrex AT1000, these tubes are perfect for audiophiles and collectors seeking premium sound quality and reliability.
Test Results
| Serial No. | Test | Ip mAdc | uMhos |
| 2918018 | T1 | 13.6 | 5300 |
| T2 | 15.8 | 5210 | |
| 2918010 | T1 | 13.4 | 5420 |
| T2 | 12.5 | 5000 | |
| 2918015 | T1 | 10.8 | 4800 |
| T2 | 10.8 | 4800 | |
| 2918004 | T1 | 11.8 | 5000 |
| T2 | 11.0 | 4600 |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
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