Mullard EZ81/6CA4 NOS Matched Pair Black Plate
NOS
Black Plate
D Getter
Made in Great Britain
Black Plate
D Getter
Made in Great Britain
Available for purchase is a premium matched pair of Mullard EZ81 rectifier tubes. These authentic British-made valves feature the iconic Black Plate construction and a D Getter, renowned among audiophiles for their superior thermal stability and smooth power delivery. Both units are New Old Stock (NOS) and are supplied in clean white boxes.
- Type: EZ81 / 6CA4
- Brand: Mullard
- Condition: New in White Boxes
- Construction: Black Plate / D Getter
- Origin: Made in Great Britain
- Testing: Amplitrex AT1000
British Craftsmanship: These tubes feature clear Mullard “MADE IN GT. BRITAIN” branding and distinct factory internal structures.
Precision Matched: This pair has been laboratory matched on the Amplitrex AT1000, showing identical forward current readings (972uA/973uA) for perfect circuit symmetry.
Quality Assurance: Tested for zero reverse current (0.0uA), ensuring noise-free and reliable operation.
| Serial No. | Plate A (FWD) | Plate B (FWD) | Reverse Current |
|---|---|---|---|
| 4338003 | 972 uA | 973 uA | 0.0 uA |
| 4338004 | 972 uA | 973 uA | 0.0 uA |
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