Re: How to build a Tardis?

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Dave Plowman wrote:

Right on Dave! I hadn't a clue! Dr. Who! Who? Was that anything to do with Rex Harrison (who oddly left the school I attended in Liverpool about the same time I was born) and 'Talking to the animals'? No? I now realize I should have asked one of my 3 (North American born) children, now aged 41 to 24! Now what was that again? "Time and Relative Dimensions in Space ...."? Oh. .......... You mean an outdoor loo? Speaking personally I just pop behind a convenient tree and fertilize something! Back to my painting ........... Thanks anyway. Terry.
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Others have explained, but it's been shown on TV in pretty well all countries. It has a cult following in the US where they've held conventions.
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Dave Plowman snipped-for-privacy@argonet.co.uk London SW 12
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relative
Tony
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Chris Holmes wrote: <snip>

Ignoring all the OT posts about Dr. Who....
Given that a multi-core system will deliver 48v "Phantom Power" to microphones that need such a thing (e.g. powered dynamic condenser mcis), then passing 12v though ought to be fine... The only thing I am not sure about is the ampage, and whether this would be a problem.
I would suggest researching a bit on the phantom power bit - which of the 3 wires in the XLR takes the feed, and what the usual ampage is.
<after some very quick research..> phantom power is usually pretty low - up to 60mA. 2A sounds rather high :) Take a look at http://www.shure.com/support/technotes/app-phantom1.html or http://www.sounddevices.com/phantom.htm
The idea on using the multi-core to flick a relay is a good one. Maybe the coax one is OK too, but you'll need to check what the cable can handle.
HTH, AlexL
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