Purchase EFvacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to help upgrade your tube audio amplifier and preamp. It was introduced in the late . Filament current : 2mA Amplification factor : 1(45dB) Max current : mA Filament voltage : 6.
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Ce tube est spécialement prévu pour les étages pré—amplificateurs A. EFest une penthode avec de belles qualité acoustiques. Can anyone explain what the differences are in an amp that uses EFtubes in the pre-amp as opposed to using 12AXpre-amp tubes? Anyone have any experience with EFtubes ? Fighting the noise in the EFvacuum tube. Type, Description, Price.
Quality Russian 6J32P tube Pentode.
FREE DELIVERY possible on eligible purchases. Tube in stock at good price. NOS labeled and boxed as Telefunken. Great sounding tube for Matchless, Bad Cat, Dr Z, Vox or any guitar amp application. These have very good microphonic.
This pentode is selected for low-noise and low microphonics and is used in many (european) hi-fi preamps. Adding an EFto any tube amplifier. The New Vintage Pentode! All the other tubes are original.
Please note: We do not match tubes. Produced by Svetlana factory, USSR (Russia). We have been asking JJ for this tube for years now . I ended up selling them and really missed them. I was reading the article yesterday.
Apparently there are two possible tube choices avaiable with.
One reason why Neumann original used the Valvo EFinstead of the . A very very great item, perfect working and designed tube ! Free shipping on orders $1and over. All Telefunken EFtypes have the . I keep getting asked about which transformer should be used with the EFtube that was in the original Uand is used in some recent tube . Audio pentode preamplifier tube.