hope not,
![Sad :(](https://www.audiocircle.com/Smileys/audiocircle/icon_sad.gif)
perhaps it'll make a return.
Took me a while to get mine hum-free but it's a cracking amp now it's debugged.
I thought the accepted view was that phono stages were the hardest nuts to crack. Odd, I built 2 cornets & both worked perfectly straight off the bat.