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TOPIC: Rack in a Box

Rack in a Box 08 Jan 2021 23:08 #1

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To those of you who have interest in outboard audio gear and running 3Plus K of TX or Rx audio bandwidth:

Many of use eSSB guys use rack equipment to setup up or TX audio chains for producing beyond 3 K TX audio , typically 4K-8K depending on conditions and parts of the band

I recently came across a product which has been around for a few years, but found it works extremely well for producing some very nice audio

It is the X-Air series mixes made by Behringer, however unlike multiple pieces of rack gear all the cabling which can lead to RF issues
The unit I am using is the XR12 t is a 12 channel mixer but also contains basically a built in DAW- since the entire unit is outboard and the interface is GUI based the latency is Very Low.

Its a simple setup requiring just a few connections Mic to one f the input channels and cable from output to the Mic connector on the rig

my X-Air profile contains a Mic pre amp- a Parametric EQ a Gate and compressor on the input channel
in the FX modules I use a sound maxer, some plated reverb- then pass that along to another compressor and a notch via another parametric EQ out to bus1 and into the rig

The box is full of effects (google x-Air effects) the Xr12- to there x32 all contain the same GUI and interfaces

www.behringer.com/product.html?modelCode=P0BI6


[url=http://]www.behringer.com/product.html?modelCode=P0BI6[/url]

I have coined this unit rack in a Box
for a single piece of gear it an cover multiple rack gear at a much less cost and it works extremely well, has been RF proof this afar as well even sitting only inches from the Acom1000
Compressors- Multiple EQ - D-ESSRs- Multiband compressors- revers and plating- and Much More-
If you have interest or would like more info let me know-
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73 Rick
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Rack in a Box 09 Jan 2021 20:32 #2

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Hello there ! thank you for your information . Please tell us in detail how you have made the connection diagram what blocks you use other than the Behringer XR 12 What settings are used in the Behringer XR 12 block ???
Last Edit: 09 Jan 2021 20:33 by R3IIN.
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Rack in a Box 10 Jan 2021 14:22 #3

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The easiest and probably best way to show or describe this would be to download the application, It is a GUI interface so no loading on Pc , just decompress and launch it, you can see what it looks like without the physical unit (some limitation of course) I have attached my SCN data file which you can then load and look at routing and actually FX processing I currently am using-

The attached Interface file is for Windows 10

See there site under XR12 for Linux, Mac, Android-etc. interface GUI if needed

once you open the GUI look on right side under the X-AR logo and click Load then select the file I attached, this will load the Profile I have saved for my 7K SSB operation- I also have profiles saved for 4K as well. but attached this one to give you a ideal of how it looks and works. (again some functions wont work because you don't have the Box connected) however you can get a good ideal of processing and EQ, compressors, exciters and etc. available and how they can be chained or added to busses then I just use the AUX out to a adapter cable feeding to mic input- and turn off all the Proc features in EESDR and just save TX bandwidths profiles and the mic gain.

I'll try and do a quick video and post on my rumble channel in a week or so. will provide link when I do
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73 Rick
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Rack in a Box 11 Jan 2021 07:55 #4

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Thank you for your answer. the question of such a plan , how did you organize audio monitoring for tuning? Personally, I use monitoring via the Sound card option by connecting Adobe Audition 1.5 via VAC, I can also use an audio recording of a tape recorder
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Rack in a Box 11 Jan 2021 17:46 #5

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For monitoring there are a couple way I did this-
One through the monitor application in EESDR ( which works to a point as you know but doesn't give you full benefit)

saving as a MP3 and playing back in audacity (like your doing with Auditions)

And using the headphone monitor output of the XR12 one could also listen to the Buss via studio monitors as well -

Also note the XR series does have a built in recorder it saves the audio via a USB drive on the unit and can be played back and recorded directly on the XR12 via the record/paly buttons -
The RTA ( Real Time Analyzer) in the EQ sections are very helpful as well
Help this helps- Link to user manual (Tried to attach but file size limitation removes it) User Manual


Note you can route your audio from the sun radio speaker jack into the XR12 as well on sperate lines and create Bus route- then using the notching and EQ options you can really fine tune noise cancellation by placing a steep narrow notch where it is needed good for a powerline or some steady noise that occurs , this option works good if your using something like powered studio monitor speakers which you can plug into the Main Out Bus L and R channels
73 Rick
Last Edit: 11 Jan 2021 17:56 by N8SDR.
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Rack in a Box 11 Jan 2021 19:23 #6

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Your Rick video will be very interesting and informative, please show me how you do sound monitoring and how you use the work of the Behringer XR12, thank you for your communication I will very much wait for your video !
Last Edit: 11 Jan 2021 19:24 by R3IIN.
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Rack in a Box 11 Jan 2021 23:58 #7

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My favorite way to monitor myself is to transmit through a switch into a dummy load and plug a second receiver into a grounded port on the same switch. This will give a good S9+20 signal to monitor. I like to use an SDRPlay receiver and SDRConsole to monitor. Turn the RX EQ off of anything you use for this and make sure the receive filters are as wide as you are testing.

I rough the sound in while listening to myself and then start recording myself for playback for fine tuning as it will always sound very different when you remove the resonance of your own head while trying to monitor.

Vastly superior results vs just listening to oneself in real time.
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Rack in a Box 19 Feb 2021 02:20 #8

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kc2rgw,

I can't find a way to PM you with this BB software - so posting here. Due to your avatar, I'm assuming you enjoy the AM mode. How does the SunSDR2 Pro/DX perform on AM receive & transmit? I've used Flex & Anan, and they both do admirably on AM both TX & receive. Looking to buy a DX model but I'd really like to know if the thing can make 100% positive peaks on AM with no weird back swing like most HF rigs.

Sorry to detail thread - kc2rgw, please feel free to PM me reply if you know how.

Thanks
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Rack in a Box 19 Feb 2021 16:08 #9

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Sorry Guys been busy- I intend on trying to do a video this weekend regarding the X-Air
I will post a link when it is completed-

Just wanted to update you - didn't forget about you- just been busy- heck I haven't even been on air really to speak of..
73 Rick
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Rack in a Box 19 Feb 2021 19:13 #10

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Well I had a few minutes and did a quick video

Hope this helps answer a few questions of how I have it hooked up and using it

73 Rick
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