#1
Have anyone used ECC99 as a replacement for 12AX7? if so, how is it?
Ibanez SA-120 (ed.2006)
BluesJr 1996-B + cathode follower + texas Heat
Crate CPB150
Homemade 4 x 10 cab Bass closeback
Metal Muff
#2
ECC99 would be used as a driver for a power triode, not much else.

It has a low amplification factor, but is capable of high plate dissipation.
It might be used as a replacement for a 12AU7, but I doubt you'd be happy with it as a replacement for a 12Ax7.
Meadows
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#4
Okay. Thanks (I guess that's the Holy grail for a 1w amp, though)
Ibanez SA-120 (ed.2006)
BluesJr 1996-B + cathode follower + texas Heat
Crate CPB150
Homemade 4 x 10 cab Bass closeback
Metal Muff