1 Apr
2000
1 Apr
'00
2:26 p.m.
Tony Duell wrote:
The ZX81 uses a 3.5mm jack socket (what you call a
'phone socket' across
the Pond) for the power input. The tip is +ve and the sleeve is -ve.
Actually, in the States a "phone plug" or "phone jack" is 1/4" --
the kind
used in ancient telephone switchboards, hence the name. To make it more
interesting we also have "phono" (aka RCA) jacks and plugs, used for
connecting phonographs and their amplifiers. Do these connectors have
different names on your side?
Glen
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