using beachtek as a mixer
Hey guys, I need ye're heads on this one.
So im thinking of cutting off the mini of the beachtek and putting an xlr plug on. And using for inputting 2 sennheiser g2 units together into it and coming out of it into my A1 into channel 2. Channel 1 on the a1 is for the on camera mic. Can anyone see any potential problems with this as I intend to purchase a beachtek for this reason only. |
I don't understand...are you looking at a Beachtek that only has one XLR input and a mini jack? I've never seen one. Meanwhile, on Beachteks with two XLR inputs there is a switch that allows you to keep the signals as separate left and right, or to mix them. If you then wanted the mixed signal to be applied to only one channel in the camera you can get a stereo to mono adapter plug.
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David, I never seem to be clear enough with my opening questions.
Basically ideally I would have three audio channels but only have two on my camera. These are XLR inputs. So if i use the beachtek to take in 2 of the 3 ( 2 g2 receivers) and mix them together. Then come out of the beachtek box into one of the XLR inputs on my camera. This is why I have to change the existing minijack to an xlr plug. Just wondering has anyone done this and what people think of this as an option instead of having to get a good portable audio mixer? |
I'd buy a custom cable: mini stereo female to XLR male, and forgo making a permanent mod to the beachtek. If you're handy with a soldering iron, which it sounds like you might be, just go to your local retailer (maybe a Radio Shack) and pick up the parts and put the cable together yourself.
Just a thought... |
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Why don't you get a real mixer and be done with it? Sure it's more expensive but not all THAT much more if you look at the long-run. Let's say you had a SD 302 ... you'd just plug up to 3 mics or wireless receivers in its inputs and route each of them to either the left, right, or both outputs at the flip of a switch. |
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But rather than cutting and soldering, I'd keep the Beachtek intact and just get this: http://www.samys.com/product_detail.php?item=7891 The concerns of combining signals that Steve mentioned apply to using a "Y" splitter in reverse, where the input devices can "see" each other as lower impedances than the camera's input, thus shorting each out to some extent. This is not the case with using the two inputs of a Beachtek and combining them by setting stereo/mono switch to mono. |
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I'll agree that it would be better to use the adapter you suggest than cutting and rewiring because at least with it the Beach remains returnable after the experiment fails <grin>. That adapter is wired with the minijack tip and ring shorted together and connected to XLR pin 2, sleeve to the XLR's pins 3 and 1 jumpered together, BTW. The bottom line is that I have found just biting the bullet to get the proper tools right from the start is always the cheapest way to go in the long run. Ger, just get a real mixer and be done with it - you don't have to spend a fortune. |
If you want 3 inputs on a budget, there is this:
http://www.studio1productions.com/xlr-mix_pro.htm I would hesitate to chop the cable on a beachtek, especially if it didn't meet your expectations. |
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But regardless of who's correct about the circuitry, I think you might agree that the bottom line is actually that two 600 ohm or so sources comparing each other to the Beach's 200-300 ohm inputs is way different than those two mics comparing each other to a 5k-15k camcorder input. That's why the Beach will absolutely work for Ger where a simple reverse splitter would likely not. After all, if this were not the case, then wouldn't the stereo/mono output choice would be a complete sham and wouldn't Beachtek have been called on it a long time ago? |
found this in the classified section. It's a Promix 3 for $375
http://dvinfo.net/conf/showthread.php?t=116639 Check the classified for other mixers, too. There's gear out there to do what you want without hacking a beachtek. |
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Sure wish Beach published schematics in their manuals or on their web site. Are you listening out there, guys? |
See this is why I love this forum.
There's nothing you cant find out. I just wish I was aware of that rode adaptor before i chopped off the mini on my videomic the other week :( But as for wiring / soldering, its not my field at all. I was going to ask a friend of mine to do it. But all in all it seems like it could be problematic and even if it did work I realise now that purchasing one for this purpose wouldn't be the way to go when there are solutions already in place for this. The XLR-MIX™ Pro definately looks appealing. So it seems theres not going to be a conclusive answer guys!, cause theres no need to do it! Thanks for the help guys. |
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Regards, Ty Ford |
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