Philips Miniwatt ECC83 / 12AX7 — NOS Single Tube (Black Plate)
Black Plate
Top Ring Getter
Made in Holland
New in White Box
Amplitrex Tested
Top Ring Getter
Made in Holland
New in White Box
Amplitrex Tested
Up for sale is a single premium Philips Miniwatt 12AX7-ECC83 dual triode, Made in Holland. This highly desirable vintage specimen features the rare Black Plate construction and a Top Ring Getter. Laboratory verified on the Amplitrex AT1000 for balanced performance, this tube is housed in a clean white box.
- Type: 12AX7-ECC83
- Brand: Philips Miniwatt
- Origin: Holland
- Plate: Black Plate
- Getter: Top Ring
- Tester: Amplitrex AT1000
The Miniwatt Character: Philips Miniwatt tubes from Holland are world-renowned for their exceptional detail, airy soundstage, and low noise floor. The black plate variant is especially prized for its rich tonal texture and harmonic complexity.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm u Mhos | Result Gm u Mhos | % Gm |
|---|---|---|---|---|---|---|---|
| 1182001 | T1 | 1.2 | 0.8 | 66.6% | 1600 | 1500 | 93.7% |
| T2 | 1.2 | 1.1 | 91.6% | 1600 | 1700 | 106.2% |
⚠️ Note: International buyers are responsible for any custom duties or taxes applied by their local authorities.
✉️ For technical questions or bulk inquiries, please Email us at
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Whatsapp: +1 (630) 597-3966
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