Hi all,

I bought this audio mixer like 6 months ago, I musing Logic express and when I click on the little "R" on the track between the I and the M, I got this strange noise coming up. it doesn't happen all the time but when it does, its annoying. Its like a Robotic sound, I can't describe it but its a pain. I wanted to know if some of you have the same noise and what did you do?

Im guessing it should be something going wrong inside it, but I don't really want spend money on shipping if I have to send it to behringer .....

And another stupid question: When I want to record my voice (when I dont have the robotic noise), where do I need to plug my headphone? I know it sounds stupid, but I actually plugged it on the thingy that its meant to ( im not at home so i forgot wats written on the mixer), but I dont have any sound coming out. Even when I unplug my speakers (yamaha hs50) it doesnt work.... I m sure I just need to plug it somwhere else.....:)

thanks

Possibly a feedback loop going on? Not familiar with Logic, but when you click the R, then that will arm the track, and you could well have some monitoring set up when that happens - which then goes to the outputs on your audio interface/sound card - which if they're plugged into you mixer, and if your mixer is plugged into the inputs of your audio interface... feedback loop time.

We probably need a bit more info on what you've got plugged into what.

Hands up, I've got a little Xenyx micer. It's got a pair of phono CD/Tape inputs. I use those as the feed in from my audio interface to drive my control/monitors. Then you can use the "Send CD/Tape to Control" - thus not sending what's already coming out of your AI back into it again. Beware with the "Send CD/Tape to Mix" otherwise you are heading for feedback that way.

Re: headphones. Suspect this will be tied in with how you've got it all plugged in, so tell us that and might be able to help a bit more.

Maybe a feedback... with the robotic noise theres also some echo....

So the way i plugged it: the output of sound card are connected to the input of cd/tape of the mixer. then the input of soundcard are connected to the sub output of the mixer ( i can also plug them on the chanels inserts on the mixer) and my speakers (yamaha hs50) are connected to the L and R of the main out.

For the headphones, I plugged it in Phones on the mixer but doesnt work...( i only hear white noise ) but I just tried to plug it on the main out and it works but the problem is, as theres L and R on the main out, i only hear from one side, cos i can only plug my headphone on one thingy.

up

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Maybe a feedback... with the robotic noise theres also some echo....

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Sounds similar to what I've had when I was first getting to grips with mine...

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So the way i plugged it: the output of sound card are connected to the input of cd/tape of the mixer.

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Makes sense.

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then the input of soundcard are connected to the sub output of the mixer ( i can also plug them on the chanels inserts on the mixer) and my speakers (yamaha hs50) are connected to the L and R of the main out.

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Horses for courses, but I've got mine round the otherway. Main outs from the mixer to the inputs of the sound card. Monitors/speakers taken from the control room outs - since on my (simpler) xenyx that's got a volume control for control room. But I see on the 1622 there's one for the sub outs.

I think it'll be about the what you route to where with the buttons on the mixer. And/or whether you're already monitoring in Logic when you hit the Record/Arm R button.

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For the headphones, I plugged it in Phones on the mixer but doesnt work...( i only hear white noise )

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That doesn't sound so good.... There should be a circuit diagram in the manual that will tell you what output the 'phones are connected to and/or if there's a way to switch the output to them.

As Mr. Moose above has explained the ‘robotic noise’ is probably feedback, especially if it has an echo trail. This is happening because you are sending the output from the mixer into your DAW, then sending the same signal back from your DAW into the mixer – feedback. Undoubtedly this is only happening when you go into a record state, since input monitoring is being turned on at that time. It will be variably better or worse because the amount of feedback will be dependent on how you have your levels set.

Here’s a quick breakdown of how to connect and route things:

Switch off all sub-group routings on all channels. Switch all channels to route to Main Mix only.

Connect the mixer’s subgroup outputs to your soundcard’s inputs.

Connect your soundcard’s outputs to a stereo channel on the mixer. It is important never to route this channel to a sub-group or the feedback will return.

Plug your headphones into the headphone out. Plugging into the Main L/R is a non-starter – abandon this!

Connect your speakers to the ‘Control Room’ output - NOT the Main L/R! Now your main speakers and headphones will (correctly) be giving you the same signal.

Select Main Mix for the Control Room output. You should now be able to hear all channels from both speakers and headphones.

To record a signal you now choose which inputs go to the soundcard by using the sub-group switches. Switch only those channels you want to record to the appropriate sub-group(s).

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An Eagle for an Emperor, A Kestrel for a Knave.

Thanks!!
I will try to do this tonight when I'll be at home

Ah, the joy to have the next level up mixer to be able to select which channels to send to sub-groups... I'm stuck with the retro "use the channel level knob" to pick which channel to record And similarly, to even have enough channels for the soundcard return without resorting to the tape in...

What Mr Elf says is spot on - although on these mixers, I think it's also possible that taking the soundcard-out to the TapeIn will allow that to be switched to Control Room or Main Mix - thus making it impossible to send that back to the Sub-outs hence avoiding the feedback?

thanks it works!! But now I got another problem

I only have the right side that works, on my left speaker i only hear white noise....

i turn all the faders and press all the buttons, still nothing.....
I hope its not something inside...

Actually no!!! its fine I just forgot to plug the L on the input...

so everything's fine now thanks!!