Mullard / Philips ECC81 Blackburn - Matched pair NOS
97,78 €
2 Mullard ECC81. Made at Mullards tubeplant in Blackburn,UK. They test as a fairly matched pair at 11.0 + 12.0 and 12.5 + 13.5mA where 10.0mA is the nominal value for an unused tube. They are also tested good for gas,leakage and shorts.
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