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
Available for purchase is a premium matched pair of 2 pcs NEC 12AX7 / ECC83 dual triodes. These highly regarded Japanese Made valves feature the desirable Long Plate construction and a Top Ring Getter. Both tubes are in New Old Stock (NOS) condition and come in white boxes with laboratory-grade Amplitrex AT1000 test results.
- 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 characterized for plate current (Ip), transconductance (Gm), Plate Resistance (RP), and Gain (Mu).
Amplitrex Characterized: Each tube is fully characterized 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 |
|---|---|---|---|---|---|---|---|
| 4471001 | T1 | 1.2 | 1.5 | 125% | 1600 | 1900 | 118% |
| T2 | 1.2 | 1.4 | 116% | 1600 | 1900 | 118% | |
| 4471002 | T1 | 1.2 | 1.6 | 133% | 1600 | 2100 | 131% |
| T2 | 1.2 | 1.5 | 125% | 1600 | 2030 | 126% |
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