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Questions tagged [grounding]

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0
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1answer
809 views

Condensor mic stops buzzing completely after I touch the grill. Why?

I've been trying to diagnose why my condenser mic keeps buzzing for ages. I'm running it through an audio interface, but it still had a noisey 'buzz' that sounds like a very common electric hum (near ...
2
votes
1answer
30 views

Can metal desk legs cause grounding or interference issues?

I'm currently designing an audio production desk/workstation. I've got most of the thing worked out, planning to use mostly 3/4" maple plywood for the desk itself. The legs are where my question ...
1
vote
1answer
33 views

Interference in new audio setup - how do I get rid of it? Possible ground loop?

I just bought M-Audio BX5 monitors and connected them to my Creative Sound Blaster X-Fi Titanium sound card with a stereo TRS to an unbalanced TRS (mono) in each speaker. The sound is fine, but ...
1
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1answer
38 views

Removing ground hum safely

At church we have a strong ground hum since we added a sound desk into the PA equipment. We have eliminated ground hum on the foldbacks by running them off the same power circuit as the desk. However ...
3
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2answers
196 views

Recording audio from PC sound card

I am trying to use the sound card in PC 1 as a synthesizer from PC 2, which sends MIDI commands to PC 1 through Ethernet, which is not a problem. The problem appears when I connect line out to the ...
1
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1answer
253 views

Recording: Sporadic ground noise with DI acoustic guitar

Getting loud sporadic buzz/hum/noise when recording my Ovation Celebrity acoustic guitar. Using Logic Pro 9, running direct from the guitar's 1/4" output into a PreSonus Tube Pre-amp --> Focusrite ...
3
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2answers
399 views

Buzzing (humming) sound in the speakers (ground loop)

Very often, when I connect my pre-amplified speakers to some peripherals such as a computer and a mixer, I get a very annoying buzzing sound in the speakers. The volume of this noise is rather ...
4
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2answers
999 views

Can I use the RCA cable to ground the turntable to the amplifier?

I have a Technics SL-3310 turntable which I connect to the phono input of my amplifier. The turntable has a short RCA cable coming out of it. The turntable and amplifier are far apart from each other,...
2
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1answer
135 views

Source of ground looping? Different ground for USB and laptop's line out?

I have a Behringer UCA202 (no-external power) USB Interface (DAC): Bus 006 Device 003: ID 08bb:2902 Texas Instruments Japan PCM2902 Audio Codec and an Intel audio controller which is built into ...
2
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1answer
357 views

USB Isolators to eliminate ground loop?

I believe I have an issue with a ground loop. I'm looking at some USB Isolators. I found this, Solarbotics model for $48 Would this eliminate ground loop? I have both my both two outputs going to my ...