NEC 12AX7 NOS – Black Long Plate Top Ring Getter
NOS Tested Single
New In White Box
Top Ring Getter
Black Long Plate
New In White Box
Top Ring Getter
Black Long Plate
Up for sale is 1 pc premium NEC 12AX7 dual triode. This authentic Japanese Made tube features the highly sought-after Black Long Plate construction and a Top Ring Getter. The unit is in New Old Stock (NOS) condition, housed in a white box with laboratory-grade Amplitrex AT1000 test data.
- Type: 12AX7 / ECC83 Brand: NEC (Nippon Electric Co.)
- Condition: New in White Box Construction: Black Long Plate / Ring Getter
- Origin: Made in Japan Testing: Amplitrex AT1000
High Performance Screening: Tested against factory parameters for the 12AX7 / ECC83 family.
Amplitrex Characterized: Fully measured for plate current (Ip), transconductance (Gm), Plate Resistance (RP), and Gain (Mu).
Amplitrex Characterized: Fully measured for plate current (Ip), transconductance (Gm), Plate Resistance (RP), and Gain (Mu).
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 4472003 | T1 | 1.2 | 1.0 | 83% | 1600 | 1600 | 100% |
| T2 | 1.2 | 0.9 | 75% | 1600 | 1500 | 93% |
Additional Specs (Tube 4472003): RP T1: 55.5K / T2: 62.5K | Mu T1: 88.8 / T2: 93.7.
✉️ For technical inquiries, please Email us
Whatsapp: +1 (630) 597-3966
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