MULLARD EL84 — Matched Quad 4 Pcs
Made in Great Britain
Top Ring Getter
Grey Crimped Plate
BVA / British Production
Amplitrex AT1000 Tested
New In White Boxes
Up for sale is a magnificent, precision-matched quad (4 Pcs) of vintage original Mullard EL84 power vacuum tubes. Highly coveted across the global audiophile and vintage guitar amplifier communities, these classic British-made power pentodes are celebrated for their lush, warm midrange, sparkling musical highs, and incredible historic harmonic depth.
As showcased in our reference verification photograp this set exhibits the iconic original Mullard Shield and BVA markings. Structurally, each valve is built to the highest military-era standards featuring a reliable Top Ring Getter and clean Grey Crimped Plate geometry. Every tube arrives housed safely inside its own crisp, fresh protective white collector box.
Testing & Verification: This quad has been individually tested and screened on our laboratory-calibrated Amplitrex AT1000 analyzer under real-world factory operating parameters. Measured against the standard operational EL84 baseline parameters of Ip = 48.0 mA and Gm = 11,300 uMhos, all four tubes test exceptionally strong, displaying robust output efficiencies well over 100% with extremely tight mutual matching characteristics ideal for demanding push-pull high-fidelity or instrument amplifiers.
| Sr. No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | Percentage Ip | Parameter Gm uMhos | Result Gm uMhos | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1162258 | Triode | 48.0 | 53.4 | 111% | 11300 | 12610 | 111% |
| 1162087 | Triode | 48.0 | 55.4 | 115% | 11300 | 12430 | 110% |
| 1162291 | Triode | 48.0 | 53.0 | 110% | 11300 | 12660 | 112% |
| 1162239 | Triode | 48.0 | 54.0 | 112% | 11300 | 12530 | 111% |
About NOS Audio Tubes
We are specialized suppliers of high-grade vintage vacuum tubes and valves, maintaining an industry lineage established back in the 1970s. With an extensive inventory of nearly 300,000 components, we serve high-end audiophiles and vintage equipment restoration collectors worldwide. Every tube is strictly evaluated using calibrated industrial testing instruments such as the Amplitrex AT1000 to guarantee absolute transparency.
Note : Custom duties and taxes are the responsibility buyer in their country.
Note : We have more than 100 Pcs
NOS Audio Tubes — Mumbai, India
Support: [email protected]
Whatsapp: +1 (630) 597-3966
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