JJ Tesla el844 9 watt tubes

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thickwood

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I tried a pair of the JJ tesla el-844 tubes in my Egnater rebel 30 and rebias those at 35-36 on the test points at 119vac
The range on the bias pot is fine.
I used a schecter solo 6 LE with mean 90 pickups and they can be brite sounding .
I didnt get a overly brite tone but wow what a nice tone they had in the OD channel with a little grit.

No big overly glassy crispy tone but a great even EQ and a firm beautiful tone with sustain .
I had RI Mullard el84 tubes before the change and i thought they were good but my opinion is the new JJ el-844 are different sounding and smoother than the JJ el-84 12 watt tubes.
Now i think i prefere them over the RI mullard .

No sign of redplating or noise just a solid beautiful tone is what i got.
I didnt push then into OD for my roomys sake !
I wonder if they will survive a try in a blues junior as JJ said that was there goal .

I didnt expect much but was very suprized they are this good,i didnt like the regular JJ el84 that much,these are better tone wise i think.
IMOP
 
Sep. 29 2013 was the date I posted above on the el-844 jj tube pair.

Those tubes tested new at 75%-75% on each now test 90%-89% and I use a variac at 119vac ?
I do not no how tubes can get better but other used tube I have and using are doing it also but the older tubes seem much improved by using them.
I do wonder how this can be ?
 
I found the Conar 220 tester was at fault , for some reason the power supply was acting up !
 
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