Philips E810F-20mA-25mA-used

ODND Vintage Audio Dreams Verified independent store

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Used Philips Special Quality E810F wide band low noise pentode, anode current ranges from 20 to 25mA, should be somewhat in the 30...40mA range@100V plate voltage, 150V screen volt age, -2V grid voltage, transconductance was GOOD, current draw WEAK. Limited supply. Sold as is. We use following grades when testing our tubes:+ GOOD: Good or above electrical specs= OK: OK or within electrical specs- WEAK: Barely within electrical specsWe test our tubes with a tube tester on electrical specifications, internal leakage and electrical shorts.Tubes that are way out of spec (with or without slight leakage) might be sold by us very cheaply as packs of 10 for fun or crazy experimenting! Tubes with internal shorts will not be sold by us, they go straight into the bin! Show more