Description
Non-Domestic Product: No Brand: EI Type: 6J4P EF94 6AU6 Custom Bundle: No Country/Region of Manufacture: Russian Federation Modified Item: No 6J4P NOS NEVZ Novosibirsk EF94 6AU6 Low noise preamp pentode, tested for microphonics. Microphone pentode. See also my other auctions and visit my eBay store for more vintage tubes and tube parts!