NEC 12AT7/ECC81 – Grey Plate / Small Ring Getter
NOS Matched Pair
Broadcast Quality
Grey Plate
Small Ring Getter
Broadcast Quality
Grey Plate
Small Ring Getter
Offering a precision matched pair (2 Pcs) of NEC 12AT7 dual triodes, Serial Nos. 1985001 and 1985004. These Made in Japan tubes feature the classic Grey Plate construction and a Small Ring Getter. NEC tubes from this era are highly regarded for their exceptional build quality and balanced tonal characteristics. These units are New in White Boxes and have been laboratory characterized on the Amplitrex AT1000.
- Type: 12AT7 / ECC81 Brand: NEC
- Condition: New in White Box Construction: Grey Plate / Ring Getter
- Origin: Made in Japan Testing: Amplitrex AT1000
Laboratory Characterization: Tested against industry standard 12AT7 parameters . Both specimens exhibit strong performance, with Serial 1985001 reaching a transconductance of 5,080 uMhos.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 1985001 | T1 | 10 | 9.8 | 98.0% | 5500 | 4690 | 85.3% |
| T2 | 10 | 10.8 | 108.0% | 5500 | 5080 | 92.4% | |
| 1985004 | T1 | 10 | 9.8 | 98.0% | 5500 | 4630 | 84.2% |
| T2 | 10 | 10.8 | 108.0% | 5500 | 4910 | 89.3% |
✉️ For technical inquiries, please Email us at [email protected]
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