Installed ...
... removed (the surround is cut from an old Metro blanking plate to cover up a mass of holes a PO had drilled around the edge of the opening):
And the modified blanking plate ...
... installed:
CD player with cassette adapter:
MP3 'jukebox':
Maybe some artistic licence in this drawing as it doesn't seem to match up with the above picture. Appears to use two of the five glovebox lid screws as mounting points:
Different mounting points to the above drawing in this installed picture from Mark Denny:
This in a pal's 77/78 (no wiring to the doors): (Geoff Turner)
Looks like it uses the one(s) for the LHD steering column:
'Dual voice-coil speaker' (Google it), ideal for stereo output using a single speaker, particularly in the early centre console. There are many types, this is just one example: (Classic Car Stereo)
77-on (America) and 78/79 (UK) factory speakers: (Mark Denny)
Shrouded to protect the cone and voice-coil from water getting past the drop-glass seals:
Shroud removed:
The shroud:
Factory cable routing, showing the grommet in the panel between door space and cabin ...
... and in the end of the door casing. I've used similar routing for the central locking in my 75 V8. This had the holes in the door casing already, with a sealing grommet, but I fed the cable through the hinge as I didn't want to drill a visible hole, not knowing this routing at the time: