National Union 7193-2C22 Matched Pair — 2 Pcs
Leaf Getter
Black Plate
Amplitrex Tested
Up for sale is a precision-matched pair of National Union 7193 (Military 2C22) vacuum tubes. These unique American-made triodes feature distinctive top caps for the grid and plate connections, Black Plate construction, and a Leaf Getter. Highly prized for DIY audio projects and high-frequency applications, these tubes offer a transparent and detailed sonic profile. Both units are New Old Stock in their Original GVT boxes and have been laboratory-screened on our Amplitrex AT1000.
- Type: 7193 / 2C22
- Brand: National Union
- Condition: Original GVT Box
- Origin: Made in USA
- Testing: Amplitrex AT1000
- Quantity: 2 Pieces (Matched Pair)
| SR. NO. | Parameter Ip (mAdc) | Result Ip (mAdc) | % Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | % Gm |
|---|---|---|---|---|---|---|
| 2301001-A | 13.0 | 13.0 | 100% | 3400 | 3400 | 100% |
| 2301001-B | 13.0 | 13.0 | 100% | 3400 | 3400 | 100% |
About Audio Tubes Shop
We specialized in thoroughly tested and screened quality vacuum tubes. We have been in the valve and tube business since the 1970s. Our inventory is screened using premium equipment including the Amplitrex AT1000.
✉️ For technical inquiries, please Email us at [email protected]
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