Here is the latest amp for Neogeo333 it is a BL63 driving 6336s it can also use 6AS7s and all it's variants
and a 6SN7 or 12SN7 or 25SN7 / 1633 / 13D1 instead of the BL63 and of course the 6F8G
Same amp with 6AS7s and 1633 driver
The back panel with speaker connections for 12-16 ohm high efficiency speakers. The transformer I used is a monster
to power these power hungry tubes. This picture also shows it using the 3DG4 rectifier instead of the GZ37.
Front picture showing using the XLR jack with adapter