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Sony ENG / EFP Shoulder Mounts
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Old June 21st, 2007, 04:25 PM   #1
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Wiring a shotgun mic to the front inputs of a F350

Hi, I just bought a Rode NTG-1 microphone, and I'd like to plug it into the 5-pin xlr mic input at the front of the camera and make it available to both channels. When making the 3 pin to 5 pin cable, is it ok to send the mic to both sides, or will it create a load that affects the sound?

Thanks,

Peter
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Old June 21st, 2007, 05:14 PM   #2
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I would send it to one side. In fact, I would recommend making a 5 pin to dual 3 pin pigtail so that you can use both channels if need be.

Go into page M01, the Audio-1 page, and set front mic to mono. See if that doesn't couple your NTG onto both channels one and two. It may be a 2 into 1, rather than 1 bridged to 2. But it's worth a try. I don't have a pigtail made up or I would be able to tell you for sure.

I don't recommend physically wiring one input to both channels.

-gb-
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Old June 21st, 2007, 09:00 PM   #3
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Y cable, AT-1800 series dual channel receivers

I had a company make a Y cable, lets see, it should be 5-pin male XLR on one end and two 3-pin XLR females on the other end. You can then plug your shotgun mic into one of these plus something else if needed. I had them make a second cable too, a female 5-pin to two male 3-pins for the output on the back of the camera so I can take audio out without having to use the headphone jack.

I use my front Y-cable with my dual channel Audio Technica wireless receivers (AT-1800 series) which can each receive from two wireless lav mics (or handheld transmitters) and then output two separate signals to XLR inputs. I plug the output cables from one unit into the two rear XLRs then plug the other two into the Y-cable, voila, all four wireless mics record separately to their own audio tracks.

Not having to mix down to two channels helps reduce the need for a mixer. Another factor in going mixerless is that F350 limiters are very good. You set the mics a bit conservatively for normal speech and if things get loud the limiters kick in. I'm sure the sound is cleaner without going through a mixer and then being transmitted a second time through the "hopper" wireless from mixer to camera.

I just read an article on "Ice Road Truckers" because the DP is an old friend (or is it ex-friend?) Gavin Brennan. He specified the XDCAM HD and did audio much this way with no over the shoulder mixer bag (and no soundman?) and with the cam-ops monitoring their own sound. I think this is the wave of the future.

You can also combine the two mic channels in one (or both of course) of these wireless receivers to one of its outputs. This pairs two mics into one channel. This means you could leave your main characters on their own channels on one receiver, but combine two other characters into one channel on the other receiver.

This leaves one XLR plug and recording channel open for a boom mic... so just like that, four wireless and a boom mic into one camera with your main characters getting discrete channels.

Tip
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Old June 22nd, 2007, 01:31 AM   #4
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What I dont like about mixing wireless mics externally is that you get bad phased sound when both acters get to close to each other (eg one voice is captured by two mics with short distance -> phased sound).

I like to have 2 discreet channels to avoid that.

anyway, having 4 channels to feed externally (5pin + 2 x XLR) should offer enough solutions for any situation.

ULI
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Old June 22nd, 2007, 01:38 PM   #5
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Greg, you called it right, in mono mode the mic signal is sent to both channels. Interestingly, the mic only works if it is wired to the Ch-1 side, nothing on the other side. I suspect there is only phantom power on pin 2.
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