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Field mixer for 2 video cams at the same time

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Brian Mangus
Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 2:24:45 pm

Hello all, I am new to the world of sound but luvin it. My question is this:

I have been in the market for a field mixer that I can hook into two video cameras at the same time.
Through much research I have found only two brands that will do this. SD and the PSC m4+ via a 12pin heros. I also have to run 2 lavs at the same time and possibly a boom. So, what I'm understanding is that I need a field mixer with 4ch and multiple outs. I'm on a low budget and cant really afford the SD 442. Does anyone out there know of another mixer that can do this? I am concerned about ordering the PSC. Its an older model, and I don't know if the herious connection is for just power, or for a separate camera out???

Please help.

Brian


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John Fishback
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 3:17:47 pm

I believe the SD302 can do what you want. It has XLR line outs as well as tape outputs that have the same output. I think the tape output is a different connector. I'm not at the office and can't confirm this, but I'm sure the SD site has the manual.

John

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John Moore
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 4:01:49 pm

The Wendt X3 can handle dual output using the balanced XLR, & unbalanced 5-pin mini XLR stereo (good for wireless hops or to a backup recorder). (B&H = $1140). I picked up mine used for $550, but they don't come around too often.

If you're looking for something more affordable you might want to look at the PSC DV Promix 3 or the Sign Video ENG-44 (B&H = $475) both of which have a 3.5mm (1/8") tape return output which would work for your wireless hops, again- since the tape returns are unbalanced you wouldn't use that for a cable run.

John Moore
Soundblog


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Michael Martin
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 5:28:36 pm

I own the PSC Promix 6. It has left and right XLR outs for two cameras plus aux returns.

-Michael Martin
Martin Media Designs
Location Sound/Audio Post Production/Sound Design


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Jon Goodman
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 8:44:47 pm

John is correct. You can feed a second camera with the tape out. It is a mini 5 pin and you can get a 5 pin to 2 XLR cable from remote audio. However, the 302 mixer doesn't have the provision to monitor both outputs.
Cheers
Jon


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Richard Crowley
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 9:36:27 pm

You can do this with virtually ANY mixer. Since your mixer is the source of the audio signal, you can use a simple Y-adapter cable that will feed the (presumably low impedance source) to two different high impedance loads (the camera audio inputs). The reason so few mixers have multiple outputs is because there are simple external solutions like this.


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Ty Ford
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 10:53:31 pm

Hello Brian and welcome to the Cow Audio Forum.

Sadly, the Sound Devices 442 is no being made. A lot of guys dumped their 442s to get a 552, so you may be able to find a used one. They are truly remarkable mixers. I'm pretty certain Sound Devices will continue to support the 442s.

You said two lavs and a boom. That's only 3 inputs. A Sound Devices 302 will do that trick and as mentioned there is an unbalanced mix out. I like Richard's idea about using a splitter cable, provided both cameras are operating at either mic or line level.

The main XLR outputs are "active balanced." Because that sometimes means you have to play really clean, I'd call Sound Devices Technical Support and ask whether they think the main outputs can be passively split.

I'd stay away from the ENG-44 for hard use. It just doesn't have the feature set of the 302 or 442.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Craig Alan
Re: Field mixer for 2 video cams at the same time
on Aug 21, 2010 at 11:52:41 pm

Just curious. Why do you need to record to two cameras at once?

OSX 10.5.7; MAC Book PRO (EARLY 2008); Camcorders: Sony Z7U, Canon HV30, Sony vx2000/PD170, Canon xl2; Pana, Sony, and Canon consumer cams; FCP certified; write professionally for a variety of media; teach video production in L.A.


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Ty Ford
Re: Field mixer for 2 video cams at the same time
on Aug 22, 2010 at 12:13:27 am

Craig,

Brian may have different reasons than this but two cameras are good for:

1. Simple interviews where you want to see several angles of the interviewee or interviewer and interviewee.

2. Dramatic scenes to make sure you have two good angles so you don't have to sweat continuity during the edit.

Here's a two camera shoot with a second pass to get the reverses of the guy with the white hair.
http://gallery.me.com/tyreeford#100315

We actually did another pass, a medium closeup of the principal, but his handling of the glass wouldn't cut. It could have been that shooting film style (single camera, multiple angles) would not have cut due to continuity problems.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Craig Alan
Re: Field mixer for 2 video cams at the same time
on Aug 22, 2010 at 6:09:04 pm

Ty,

Sorry, I wasn't asking why you would shoot with multiple cameras. I was asking why the audio mixer needed to feed more than one recording device be it a camera or a stand alone audio recorder.

OSX 10.5.7; MAC Book PRO (EARLY 2008); Camcorders: Sony Z7U, Canon HV30, Sony vx2000/PD170, Canon xl2; Pana, Sony, and Canon consumer cams; FCP certified; write professionally for a variety of media; teach video production in L.A.


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