HITACHI 12AX7 — Single Valve (1 Pc)
Type: High-Mu Dual Triode
Vintage Japanese Production
Top Ring Getter
New in White Box
Amplitrex AT1000 Tested
Available for purchase is a single Hitachi 12AX7 dual triode valve. This high-quality Japanese-made tube features a Gray Plate construction and a Top Ring Getter.
This unit is New Old Stock (NOS) and is supplied in a clean white box. It has been fully verified on our Amplitrex AT1000 tester to ensure it meets original factory performance specifications.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 4577003 | Triode 1 | 1.2 | 0.8 | 66.7% | 1600 | 1200 | 75.0% |
| Triode 2 | 1.2 | 1.0 | 83.3% | 1600 | 1300 | 81.3% |
About NOS Audio Tubes
Based in Mumbai, India, we are professional suppliers of high-quality vacuum tubes with a specialized history dating back to the 1970s. Managing an inventory of over 300,000 valves, we utilize industrial-grade Amplitrex AT1000 equipment to provide accurate, transparent test data for the global audiophile and restoration community.
Note: Custom duties and Taxes are the Responsibility of the Buyer in their Country
Support: [email protected]
NOS Audio Tubes — Mumbai, India
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