NEC 12AX7 / ECC83 NOS Matched Pair – Long Plate Top Ring Getter
NOS Matched Pair
New In White Box
Top Ring Getter
Long Plate
New In White Box
Top Ring Getter
Long Plate
Up for sale is a premium matched pair (2 pcs) of NEC 12AX7 / ECC83 dual triodes. These Japanese Made valves feature the desirable Long Plate construction and a Top Ring Getter. Both units are in New Old Stock (NOS) condition, supplied in white boxes with laboratory-grade Amplitrex AT1000 test data.
- Type: 12AX7 / ECC83 Brand: NEC (Nippon Electric Co.)
- Condition: New in White Boxes Construction: Long Plate / Top Ring Getter
- Origin: Made in Japan Testing: Amplitrex AT1000
High Performance Screening: Tested against factory parameters for the 12AX7 family.
Amplitrex Characterized: Each tube is fully measured for plate current (Ip), transconductance (Gm), Plate Resistance (RP), and Gain (Mu).
Amplitrex Characterized: Each tube is 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 |
|---|---|---|---|---|---|---|---|
| 4470001 | T1 | 1.2 | 0.8 | 66% | 1600 | 1400 | 87% |
| T2 | 1.2 | 1.6 | 133% | 1600 | 2000 | 125% | |
| 4470002 | T1 | 1.2 | 0.8 | 66% | 1600 | 1300 | 81% |
| T2 | 1.2 | 1.2 | 100% | 1600 | 1800 | 112% |
✉️ For technical inquiries, please Email us
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