M8162 ECC81 / 12AT7WA Mullard — 2 Pcs
- ✅ Type: M8162 ECC81 / 12AT7WA CV4024
- ✅ Getter Type: “O” Getter
- ✅ Made in: Great Britain
- ✅ Date Codes: 654 R9D4 & 654 R2B2
- ✅ Match: Very Strong Matched Pair
- ✅ Condition: Excellent — New in White Generic Box
- ✅ Tested on: Amplitrex AT1000 Advance Digital Tube Tester
About This Tube
The M8162 Mullard CV4024 is a military-grade version of the 12AT7 / ECC81 preamplifier tube, known for its superb reliability, low noise, and extended life.
These tubes feature Mullard’s famous “O” getter and are manufactured in Great Britain under high-quality control standards.
Ideal for hi-fi audio, studio gear, and vintage amplifiers, this pair offers balanced and strong test results for excellent performance.
Test Results
| Sr. No. | Section | Ia (mA) | Gm (uMhos) |
| 456412 | T1 | 13.2 | 6740 |
| T2 | 13.8 | 6860 | |
| 4560460 | T1 | 13.8 | 6800 |
| T2 | 14.2 | 6880 |
⚠️ Custom duties and taxes are the responsibility of the buyer in their country.














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