May I correct you first?
It's not an 8 series Dino, but a JM 8 series Dino.
The 'JM' stands for 'Jim Marshall'. since the base was a Marshall amp.
But there could perhaps be another one if I can bring myself to do another Marshall rebuild like this once again.
However, as a basis it would have to be a 2205 (50 watts) or 2210 (100 watts) and not a 2204 or 2203
A 'real' 8 Seies Dino looks like the photos below.
This was my very first completely own Dino 8 series.
The DINO 802 TUBE AMP by LARRY, born on January 8 1992
And as the experts recognize, back then still the original Marshall Dagnall transformers were used.