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Specs on 6P14P-EV

dsndblm

dsndblm

Super Member
I bought a quad of 6P14P-EV tubes as a replacement for the Mullard 7189's in my Fisher TA-600. I was wondering of anyone has seen a spec sheet on the Russian tubes? My TA-600 works those little 7189's very hard and I don't want to smoke anything using an under rated tube.
 
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They should be fine as long as they are well-matched and properly tested, and the amp is running properly. They are the same tube that is now sold as the Sovtek EL84M, which are known to be quite happy at 400+V. Just keep an eye on the plates for the first hour (shouldn't turn red and glowy ;)).
 
They also tend to be a little stronger than an EL84 but are a little hard sounding not as smooth as the TAD EL84STR.
 
Has anyone tried the 6p14p vs the 6p14p-ev? Do they sound about the same? I know the EV is supposed to be military stock with thicker glass. Any other differences.
 
A quad is living happily in my Lafayette LR-800, which runs them at 420V or so... they came with spec sheets, but they were in Russian.
 
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