RCA 12AT7-ECC81
- ✅ Type: 12AT7 / ECC81
- ✅ Brand: RCA
- ✅ Structure: Clear Glass Envelope
- ✅ Plate Type: Black Plate
- ✅ Getter Type: “O” Getter
- ✅ Origin: Made in U.S.A
- ✅ Condition: New Old Stock (NOS), New in Original Box
- ✅ Tested on: Amplitrex AT1000 Advanced Digital Tube Tester
Test Results
| Sr. No. | Section | Ip (mA) | Gm (uMhos) |
| 255021 | T1 | 8.0 | 4800 |
| T2 | 8.2 | 4900 |
About This Tube
The RCA 12AT7 / ECC81 is a premium-quality American-made dual triode tube designed for audio preamplifiers, radio circuits, and hi-fi amplifiers.
This version features black plates and an “O” getter for stable vacuum performance, low noise, and excellent tonal balance.
Renowned among audiophiles for its warm, musical sound and long life, this tube delivers consistent results in both vintage and modern equipment.
⚠️ Custom duties and taxes are the responsibility of the buyer in their country.
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