BradTheSoundGuy Posted February 26, 2013 Report Share Posted February 26, 2013 Will a 3.5mm TRS to 3.5mm TRS work to feed guide track audio to a 5D from a Comtek PR-216? (The same cable you may use to feed your car stereo music from your iPod?) If not, would someone be so kind as to enlighten me to the proper cable needed? I should also mention that making my own cables is something I'm new at, but I would like to give a try. Quote Link to comment Share on other sites More sharing options...
Eric Toline Posted February 26, 2013 Report Share Posted February 26, 2013 It will work. If you don't want to try to make one you can buy one at Radio Shack. If you're going to make one only connect the tip & the sleeve. There's no need to connect the ring. Both the 216 output & the 5D input are unbalanced. Eric Quote Link to comment Share on other sites More sharing options...
RFsound Posted February 26, 2013 Report Share Posted February 26, 2013 Unless things have changed, I believe the audio input of a D5 is mic level only. Pumping a Comtek output into it could easily overdrive the input unless you're super conservative with your levels. I picked up one of these for this purpose from (the dreaded) Radio Shack and it worked well. Unfortunately, RS doesn't put any markings on this cable identifying it as an attenuating cable, so be sure to mark it yourself so as not to confuse it with a regular mini-to-mini cable. http://www.radioshack.com/product/index.jsp?productId=2103841 Quote Link to comment Share on other sites More sharing options...
pvanstry Posted February 26, 2013 Report Share Posted February 26, 2013 Canon 5D input is indeed mic level. SO the output of a PR-216 comtek is headphone level ( similar to line level ), not a good idea to feed. Also remember that the cable on the comtek is used as an receiving antenna. So with all of this, i had Comtek make me 4 cables from right angle 3.5mm to 3.5mm and 3.5mm to XLr3M. All cables have there built in line level to mic level pad, have the correct lenght for the antenna function and some components ( i believe capacitors ) in the connectors for the antenna. Works good for me. Quote Link to comment Share on other sites More sharing options...
chrisnewton Posted February 26, 2013 Report Share Posted February 26, 2013 Thanks RF Sound! I didn't know about this cable. Gonna get one (or 2). Quote Link to comment Share on other sites More sharing options...
Rick Reineke Posted February 27, 2013 Report Share Posted February 27, 2013 Be aware that the Shack O' Shame cable will only feed the camera's left audio channel.. if that's an issue. Pascal, out of curiously, what is the length of the cables Comtek built for you. I've built some and guessed the length to be about 14 inches for a 216.MHz. system. Right or wrong they seem to work OK.. Quote Link to comment Share on other sites More sharing options...
pvanstry Posted February 27, 2013 Report Share Posted February 27, 2013 Cables are a little longer then 14". I will measure them and comeback to you. But I had super short cable in the past and they still worked. Quote Link to comment Share on other sites More sharing options...
pvanstry Posted February 27, 2013 Report Share Posted February 27, 2013 Cables are a little longer then 14". I will measure them and comeback to you. But I had super short cable in the past and they still worked. Quote Link to comment Share on other sites More sharing options...
Peter Wong Posted February 27, 2013 Report Share Posted February 27, 2013 I might be mistaken but I believe the outputs of a 216 receiver are out of phase. I sent two channels of audio to the camera for a guide track using a standard mini to mini cable. Post called called me later saying audio was nearly non existent, but levels were healthy. Scratched my head and asked them to try and listen to either left or right and to my relief clean audio to sync with. That's my two cents. Peter Quote Link to comment Share on other sites More sharing options...
Peter Wong Posted February 27, 2013 Report Share Posted February 27, 2013 Sorry i forgot to mention that the cable I made used a standard mini cable. I cut one connector off and soldered a 3.5 mm stereo mini connector bypassing the ring portioning and soldered the left and right wires to the tip and of course the shield wire to sleeve. It worked well and no phasing. Quote Link to comment Share on other sites More sharing options...
nhaudio Posted February 28, 2013 Report Share Posted February 28, 2013 Since you're in the DIY section, making your own padded cable is really no rocket science. check the configuration and the values here for your resistors :http://www.uneeda-audio.com/pads/ Quote Link to comment Share on other sites More sharing options...
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