Sennheiser AVX + Zoom H6 interference?

[Erik Engren]

Yes, I have exactly the same problem with two Sennheiser AVX, and my Zoom H6. Very frustrating. I try to put the receivers on the different sides of the Zoom, swivel them around, but I get the same noise most of the time.

[Ty Ford]

Hello Erik and welcome to the Cow Audio Forum.

Perhaps you missed Sennheiser’s response further back in this thread.

I spoke with Lachlan Brennan at Sennheiser and he was kind enough to do some work and find an answer. Please note below.

Now that I have had the chance to confer with some colleagues I wanted to touch base with you regarding this AVX issue. Based on what I have heard from various colleagues it appears that this is a sporadic issue and it depends on the specific Zoom H6 recorder being used as to whether the issue presents itself. With some recorders there is no issue and with some recorders there is the issue.

Often with digital systems there is more proximity sensitivity than there is with a traditional analog system and depending on how the various components are grounded/shielded there could be “noise” issues. With the digital systems like AVX and EW D1 we needed to redesign the lavaliere microphones that connect to them to have more shielding so that proximity noise was not an issue.

I suspect that with older Zoom H6’s there may be a slight grounding or shielding issue that can cause noise when the receiver is in close proximity. This would not be an issue with an analog system but could present issues like those described with a digital system.

A work around would be to use a short extension cable to get a little distance between the receiver and the Zoom H6.

Also you might want to note that if any members of the site do need Technical Support they can reach the Tech Support Team on 1-(877)-736-6434 option 3 in the phone menu and we are more than happy to assist them.

Have a great day.

Lachlan

Regards,

Ty Ford
Cow Audio Forum, Leader

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[Erik Engren]

Update: I have two Zoom H6 (about 3 years old) and two Sennheiser AVX (MKE-2 and SKM 835), and when using the *INPUT 2* on *both* Zoom’s I get the interference. It is reduced when touching, or swivelling the AVX-receiver. No change in noise with wall socket power, or batteries, or phantom on or off.

[Kristjan Prints]

I have used AVX with Zoom H6 and Lumix GH5 and I can confirm that problem is not limited to Zoom. I get the same interference with GH5 – just a little bit quieter because when I use it with GH5, the AVX is on the mount, creating a little bit of distance between devices.

So, I am going to try it with longer extension cables, losing the whole point of AVX.