Sylvania 12AX7 – Vintage U.S. Production Grey Long Plate Top Ring Getter
NOS Single Tube
White Box
Grey Plate
Top Ring Getter
White Box
Grey Plate
Top Ring Getter
Offering a premium New Old Stock (NOS) single Sylvania 12AX7 high-mu dual triode, Serial No. 2320001. This classic American-made tube features Grey Long Plates and a Top Ring Getter construction. Sylvania 12AX7s are highly regarded by audiophiles and guitarists alike for their robust build quality, excellent gain, and balanced tonal profile. This unit is supplied in a New White Box and has been precision characterized on the Amplitrex AT1000.
- Type: 12AX7 Brand: Sylvania
- Condition: New in White Box Construction: Grey Long Plate / Top Ring Getter
- Origin: Made in USA Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7. This specimen shows strong performance on Triode 2 with a Mutual Conductance .
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 2320001 | T1 | 1.2 | 0.8 | 67% | 1600 | 1400 | 88% |
| T2 | 1.2 | 1.1 | 92% | 1600 | 1600 | 100% |
✉️ For technical inquiries, please Email us at [email protected]
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