Can I use Siemens El34's in my amp?

[drcosmo1]

I have a set of Siemens El34's at my house and I was wondering if they're ok to use in my Dual Recto. As long as it's an El34, I can just run it under the El34 bias on my amp, correct? Thanks

 

[mikey383]

Just make sure to check for redplating in a dark room after 10-15 minutes of play time. If that happens, you're running them too hot and should flip to spongy and/or tube rectifier, or put them in 6L6 mode to reduce the bias and check again. Otherwise, enjoy them!

 

[fishyfishfish]

+1