E810F / 7788 – Amperex
- ✅ Brand / Type: Amperex
- ✅ Plate Type: Big Grey Plate
- ✅ Country of Origin: Made in U.S.A
- ✅ Base: Coin Base
- ✅ Condition: New in White Box
- ✅ Getter: Ring Getter
Testing Information
The tube has been tested on Amplitrex AT1000 Tube Tester.
| Serial No. | Test | Ip (mAdc) | uMhos |
| 5052005 | T1 | 17.5 | 35230 |
About This Tube
The Amperex E810F / 7788 is a high-transconductance RF/IF pentode widely used in precision audio, studio gear, and broadcast equipment. Known for its extremely low noise, excellent linearity, and strong performance in high-gain circuits, this tube is preferred in premium microphone preamps, mastering units, and professional audio modifications. The rugged design and consistent quality make Amperex one of the most trusted manufacturers for this tube type.
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
Reviews
There are no reviews yet