The KL-Q 509 rectifier offers a nice base for Klangfilm style home
This page shows a 25W EL12 / F2a11 tube amp on the KL-Q with an
ECC83 driver stage.
The power transformer comes from a 6SELA 2524 amp. The EZ12
rectifier tube works as filter tube.
Test (see below) and sound results are really good.