[Jon L]

Looks like the usual tube stores are out of stock, and the eBay offerings seem expensive and questionable. 

If someone knows where I can get one or two, pls let me know. 

[pbrstreetgang]

This is your 12ax of choice? There are so many legendary 12 axs

[Pez]

I like the the Eis. I use the 12ax7s. Any suggestions on different ones?

[Jon L]

This is your 12ax of choice? There are so many legendary 12 axs

Let's just say I like Ei right now for the coupling capacitor I have in at the moment. 

I do have plenty to roll, including Sylvania triple mica 5751, Raytheon Windmill 5751, Mullard/Sylv/RCA/TungSol/CBS 12AX7A/7025, Amperex, Valvo, what-not.

[GerryD]

I'm not sure if they are the ones you seek, but there is a pair for sale on Audio Asylum.