Mullard ECC85MB
NOS NIB
British Made
Master British (MB)
Solid Getter
British Made
Master British (MB)
Solid Getter
The Mullard ECC85MB is a premium British-made dual triode, highly regarded for its exceptional clarity and low noise floor. This matched pair consists of two New Old Stock (NOS) tubes, each preserved in its own original box with independent Amplitrex laboratory test data.
- 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 “MB” variant designed for high-end audio and FM stages.
Sonic Signature: Detailed, balanced, and neutral — a significant upgrade for vintage preamps.
Packaging: This listing includes two (2) separate boxes, each with a unique Amplitrex test label.
Matching Grade: Laboratory matched pair with balanced plate current (Ia) and transconductance (Gm).
⚠️ Custom duties & taxes are the responsibility of the buyer in their country.
| Box / Sr. No. | Test | Ia (mA) | Gm (uMhos) | Mu |
|---|---|---|---|---|
| 3937001 | T1 | 2.2 | 2860 | 47.4 |
| T2 | 1.8 | 2500 | 35.5 | |
| 3937004 | T1 | 2.2 | 2900 | 36.2 |
| T2 | 2.2 | 3000 | 49.8 |
✉️ For bulk or quantity requirements, feel free to Email us at
[email protected]
Reviews
There are no reviews yet