Mullard ECC85MB
NOS NIB
British Made
Master British (MB)
Solid Getter
British Made
Master British (MB)
Solid Getter
Available for purchase is a single premium Mullard ECC85MB dual triode. This British Made “MB” series tube is a high-reliability variant, prized by audiophiles for its low noise and exceptional clarity in high-fidelity audio stages and FM tuners. The tube is New Old Stock (NOS) and comes in a clean white box.
- Type: ECC85MB
- Brand: Mullard
- Condition: New in White Box
- Construction: Master British Series
- Origin: Made in Great Britain
- Testing: Amplitrex AT1000
Premium Quality: High-reliability variant designed for demanding audio applications.
Sonic Signature: Detailed, neutral, and musically engaging — an ideal upgrade for vintage equipment.
Laboratory Tested: Provided with full digital test data for both internal triode sections (T1 and T2).
Condition: NOS unit with strong emission and transconductance.
⚠️ Custom duties & taxes are the responsibility of the buyer in their country.
| Serial No. | Triode | Ip (mA) | Gm (uMhos) | RP (ohms) | Mu |
|---|---|---|---|---|---|
| 3937003 | T1 | 1.0 | 2000 | 18.1K | 36.2 |
| T2 | 1.8 | 2500 | 16.6K | 41.5 |
✉️ For bulk or specific quantity requirements, feel free to Email us at
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