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Mullard NOS Pair ECC32 / CV181 (3 / 9) strong Pair 50's (Very rare)
Mullard Pair ECC32 / CV181 super balanced Matched Pair
A Matched pair of Mullard ECC32's (KB/DA).
Smoked glass, low tray getter, black base, round black plates.
These tubes are selected from a batch and have:
- within 5% match of sections for the pair
settings: Va = 250V, Vg = -4.6V , Vh = 6.3 V
a good (NOS) tube test for: Gm = 2.3mA/V and Ia 6.0 mA
Testresults:
Tube 3: Ia1 = 8.20 Ia2 = 7.30
Gm1 = 2.70 Gm2 = 2.55
Tube 9: Ia1 = 7.20 Ia2 = 7.62
Gm1 = 2.55 Gm2 = 2.50
- General availability
- Very Rare
- Condition
- New old stock (NOS)
- Label markings
- label still recognizable
- Plate
- Round black
- Getter
- Low D-getter
- Glass
- Smoked glass
- Base
- Brown
- Match for pair
- within 5% Match
test
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