Editing Acorn BBC Microcomputer (section)

===Type 1a===
This very similar to, and is believed to be a precursor to, the type 1.  It does not have the speaker grille and the placement of some components is slighly different.  The assumption is that components were moved between this and the type 1 to introduce the speaker grille.

<gallery widths="250" heights="187">
File:BBC_Micro_KB_Type1a_Speaker.jpg                       | Type 1a speaker without grille.
File:BBC Micro Keyboard Type 1a Front View.jpg             | Type 1a Front View
File:BBC Micro Keyboard Type 1a Top View.jpg               | Type 1a Top View
File:BBC Micro Keyboard Type 1a Back View.jpg              | Type 1a Bottom (PCB) View.
</gallery>