• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Simple headphones out

I have a tube preamplifier and I would like to add a HP out in it which is in par with the rest. Space is quite limited so I can not build an additional tube stage with output transformer. I am looking for some simple yet good quality solid-state circuit for my headphones (2x30 ohms). I think I need a gain between 2x and 5x. I have +12V available. Can I use an integrated buffer, like the BUF03 () which I believe is out of production) or the new AD815? Any ideas welcome.