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In article , Casey Webster wrote:
i recently got access to a sony digital camcorder, and am going to take it up for a flight (passenger recording of course), and i wanted to patch in the intercom to its audio inputs. I had excellent results by making a cable with a small jack for the camcorder at one end, and a large jack that plugged into the intercom at the other. Concealed within the large jack was a 47K ohm (IIRC) variable resistor. It turned out it needed all 47K ohms to get the levels right. I'm sure there is more correct ways of impedance matching, but analogue electronics is not my thing :-) I built the cable by buying a mono-to-stereo cable at Radio Shack and chopping off the mono end and putting my custom jack on that end. -- Dylan Smith, Castletown, Isle of Man Flying: http://www.dylansmith.net Frontier Elite Universe: http://www.alioth.net "Maintain thine airspeed, lest the ground come up and smite thee" |
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