how you all get rid of fannoise?

[istyle]

ok i fooled around with ARTtube a little more and found that SM58 had to be used without phantom
but i still hear noise in my recording
i suspect it's a fannoise
now i set input knob at maximum press the far left one to add gain
and maxed out the output knob
then i set the input of gina at about 16 ( more than this will get much noise )
but this way i have to sing close to the mic nearly touched it to have a rather average signal ( rather plain and flat wave figure )
i don't like this
Am i doing anything wrong?
please educate me again
thnx

 

[drstawl]

I did some heavy battles with fan noise. I even posted an .mp3 of this noise for comparison but I've since taken it down.
Running mic cables to the next room and closing the door helped a little. Only problem here: my cats don't like closed doors no matter which side of the door they happen to find themselves when I close it. So the scratching and meowing replace the fan noise.
Are you sure you don't have some 20 dB pad engaged?

 

[istyle]

what is that 20dBpad you talked about?
did i do the right move when setting up a mic?
thnx

 

[drstawl]

The 20 dB pad is a circuit to turn down the input sensitivity (or is it just gain?) by 20dB. Some preamps have them, some mics have them. When they're engaged your output will be much quieter than without them engaged. The purpose is to allow you to record louder sources without overloading the input.
From my preamp manual:
"20 dB pad switch: "This switch attenuates the microphone input signal by 20 dB"

And reliable sources tell me that the proper technique when singing into an SM-58 is to just about touch the mic with your lips.
Good thing it doesn't need phantom power...

 

[istyle]

thnx doc
i think with ART when this pad is pushed the level is increased
so i have 2 choices of recording?
if it's pushed and have noise then just release it and go with normal level?
and perhaps screaming louder?
please hear my vocal sample of what i did
thnx again

 

[Ears]

You should'nt need a 20db boost on the SM58.
I have used one with my MP.

Are you coming from the mic or line out?
The Cannon jack or the phone jack?

Does the Gina accept both -10 and +4dbu inputs? There may be a switch.
The MP is better with -10db. If its +4db rated the MP would work but be very noisy.

 

[istyle]

thnx i don't quite understand what you said
about cannon jack or phone jack and about -10 and +4dB
please explain more

 

[The Green Hornet]

Yo Istyle:]

If you hire a "fan-dancer," you can really get rid of the fans!!!!!!!!!!!!

GH

 

[chuchosay]

A 20-dB pad isn't going to help at all. It just reduces the overall gain of the mic. So your voice will be just as reduced as the fan noise. There are a few options that I can think of off of the top of my head. The best one is obviously to eliminate the noise at the source--find it and turn it off. If it is an issue of temperature where you are recording, simply turn off the thermostat. Another idea could be to find the frequency using an EQ and reduce it as much as possible--but obviously this will affect your vocal's EQ too.

 

[Slackmaster2K]

Nobody has yet to ask why you suspect it's fan noise, and what you really mean by fan noise?

The reason I ask is that you're using an SM58 which as a nice narrow pickup pattern. If you turn the mic away from the computer, you shouldn't pick up ANY noise from the fans...unless you're fans are ridiculously noisy.

Slackmaster 2000

 

[Slackmaster2K]

Oops, one more thing, with my SM57 through an ART Tube MP, turning the input gain up past 75% produces hum, especially with the +20db gain. Because of this I can't turn it up loud enough....I can't get enough signal into the Tube MP to make it clip that is. Regardless, this noise might be the Tube MP itself...does it occur right around 75% on the input gain?

One more thing....turn your computer monitor off and see what happens. You might be suprised at the amount of interference you'll encounter unless you position everything 'just so' in relation to the monitor.

Slackmaster 2000

 

[CJWalker]

Yea, one time I was dumb and spent $200 on track lighting, ya know with the dimmers without thinking about how much interferance I would get...These things make my amps go nuts, especially the 120w halfstack.. So the rule is be sure to check everything for interferance..especially TVs and Monitors and anything with large transformers..I have this story about a blender and interferance, though I will not get into that.

 

[gaffa]

CJWalker,

If you want to get rid of that huge hum you get with lights on dimmers, you need to isolate the circuits that the lights are on from the circuits that the audio gear is on.

I'm going to make a couple of assumptions here, mostly about how the power works in the USA. If you have three phases (A,B and C) then you want to try and get the audio gear running off one of the phases, and the lights running of the second phase. Problem is that most houses here only get one phase, so it becomes a bit difficult. Running the lights at full power usually gets rid of _most_ of the hum, but not all

- gaffa

 

[CJWalker]

Cool thanks, do you think that a power conditioner may help too??