Mullard ECC82/12AU7 – Grey Long Plate / Ring Getter
NOS Matched Pair
British Made
Grey Long Plate
Ring Getter
British Made
Grey Long Plate
Ring Getter
Offering a matched pair (2 Pcs) of Mullard ECC82 dual triodes, Serial Nos. 1998006 and 1998024. These premium British Made valves feature the sought-after Grey Long Plate construction and a Ring Getter. Renowned for their warm, lush midrange and classic British “Mullard sound,” these tubes are highly coveted for high-end audio preamplification. These units are New in White Boxes and have been laboratory characterized on the Amplitrex AT1000.
- Type: ECC82 / 12AU7 Brand: Mullard
- Condition: New in White Box Construction: Grey Long Plate / Ring Getter
- Origin: Great Britain Testing: Amplitrex AT1000
Laboratory Characterization: Tested against industry standard 12AU7 parameters (Ip=10.5, Gm=2200). These specimens show consistent performance, with Serial 3502007 exhibiting a strong transconductance of 1940 uMhos on triode section T1.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1998006 | T1 | 10.5 | 9.6 | 91.4% | 2200 | 1830 | 83.2% |
| T2 | 10.5 | 8.8 | 83.8% | 2200 | 1800 | 81.8% | |
| 1998024 | T1 | 10.5 | 8.6 | 81.9% | 2200 | 1800 | 81.8% |
| T2 | 10.5 | 8.4 | 80% | 2200 | 1800 | 81.8% |
Support: [email protected] Precision Verified — NOS Audio Tubes
![Lot 100pcs.NOS NIB 7193 [2C22] RCA Made In U.S.A. Black Rods Support](https://i0.wp.com/www.nosaudiotubes.com/wp-content/uploads/2023/01/7193-03.jpg?resize=250%2C188&ssl=1)
Reviews
There are no reviews yet