EI Tubes

mkt3000 · Post by **mkt3000** » Tue Sep 25, 2012 6:57 pm

So, I bought what I were listed a pair of reissue Mullards from an ebay seller with 100% positive feedback, but it was these:

From a bit of googling they appear to be late 80's EI Tubes, and that they were rebranded at one point as Siemens, and appeared in the Marshall made Vox AC15's.

And that's where my unverified internet knowledge ends. Anyone else here now a thing about these? I haven't decided whether or not to return them yet or sell them on, and since I hadn't heard of them, I was curious.

71Smallbox · Post by **71Smallbox** » Wed Sep 26, 2012 4:01 pm

I have a quad of these in my AC30, they sound really good to me, but this is my first EL84 driven amp. I really like their 80's production 12AX7's, they sound good in my Marshall and Fender amps. Apparrently before the factory got bombed by NATO they were producing great tubes.

mkt3000 · Post by **mkt3000** » Wed Sep 26, 2012 11:29 pm

Well, I tried them out of curiosity. I put them in my Pro Junior. They sounded seriously nice, but ridiculously microphonic. I would touch the amp and hear a "tap tap" on through the amp. I put my phone on speaker to make a call with the amp on, and rested the phone on the amp, and the call when through the speaker.

These are gone.

71Smallbox · Post by **71Smallbox** » Thu Sep 27, 2012 2:59 am

Microphonic tubes suck, sorry dude.

mkt3000 · Post by **mkt3000** » Tue Oct 02, 2012 8:10 pm

Good news! They sold... at a profit!

I can dig that