MULLARD 6080 / CV5008 METAL BASE – 2 PCS
GRADE: GOLD SERIES | LABORATORY VERIFIED NOS
Military Grade CV5008 / 6080WA
Metal Base
Triple Mica
Black Plates
Ring Getter
New in Chelmer Box
Amplitrex AT1000 Tested
Up for sale is a matched pair of 2 vintage Mullard 6080 / CV5008 / 6080WA dual power triode valves, brand new in original Chelmer Valve boxes. Built to high-reliability military specification standards, these British power tubes feature rugged metal bases, microphonic-reducing triple mica construction, deep black plates, and top ring getters.
As shown in both tubes have been bench-tested on our laboratory-grade Amplitrex AT1000 digital tube testing system. The measured plate current Ip and transconductance Gm results are calculated against standard factory specifications 100 mA / 5800 uMhos and detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Transconductance (Gm) | ||||
|---|---|---|---|---|---|---|---|
| Factory Spec | Result | % Ip | Factory Spec | Result | % Gm | ||
| SR: 324004 | Triode 1 | 100.0 mA | 113.5 mA | 114% | 5800 uMhos | 5620 uMhos | 97% |
| Triode 2 | 100.0 mA | 82.2 mA | 82% | 5800 uMhos | 4960 uMhos | 86% | |
| SR: 324018 | Triode 1 | 100.0 mA | 80.4 mA | 80% | 5800 uMhos | 4870 uMhos | 84% |
| Triode 2 | 100.0 mA | 85.8 mA | 86% | 5800 uMhos | 5060 uMhos | 87% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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