Description

Sylvania EF50. The tube that helped to win the war. Absolutely NOS. Intended as a VHF Amplifier in TVs. Also, wide band and measuring amplifier tube. Clean pins, no rust base. Excellent example of EF 50 VT250. There's an article about the EF50 on the net. Absolutely a piece of history here. Not in your collection? Here's a great example. Untested. No data available. Good filament. Thank you for viewing this listing. Please reach out to us directly with any questions you may have. Note that we offer f ree, no questions asked returns for up to 30 days after purchase. If you're not happy with the item for any reason after purchasing, simply open a return, send it back for free, we will refund your money in full.