BBC Model B

Issue 4 BBC Model B with a Aries-B20 20k RAM upgrade and Aries-B12 14 slot ROM board.

Also has a "Watford Electronics DDFS 1.50" DFS, Watford Electronics 1770 Disc Interface and a 40/80 track 5 1/4 FDD.

 

I've also disconnected the internal speaker, and connected the sound output to a phono port on the back using the hole intended for the reset button

 

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