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Gear / Technical Help => Battery Boxes, Preamps, Mixers, ADCs, and Processors => Topic started by: Kindguy on June 12, 2008, 09:40:10 PM

Title: Help what phantom power is what?
Post by: Kindguy on June 12, 2008, 09:40:10 PM

Take a look at the pic bellow. (on the left mic power)

My pre provides the following phantom power.
48v phantom power, 12v T or 12v phantom power

(http://img.photobucket.com/albums/v405/leegeddy/cooper/cspa-1c-front.jpg)

The 3 choices are PH. DYN. & X

PH is 48v it's what I run all the time.

Is DYN 12vT? and X 12v?

One more question If my Nevaton 400 run from 9v > 52v. Should I run 12v phantom or stay with 48v?

If I don't gain anything with the higher voltage I'd like to save the batt power since I'm running this of 9v's.

Thanks
Jeff

Title: Re: Help what phantom power is what?
Post by: bluegrass_brad on June 12, 2008, 09:44:12 PM

DYN might stand for a dynamic mic that needs no power (so it's pretty much just an off). Not so sure about the X though. You could use a voltmeter to measure the voltage on pins 2 and 3 and see if what voltage its putting out set at DYN and X.

Title: Re: Help what phantom power is what?
Post by: fivefishdiy on June 12, 2008, 09:53:43 PM

Most condenser mics will run on phantom power voltage lower than 48V... 15V and some even lower.  From my experience, FET condenser mics are not happy unless you give them 48V, but most condenser mics should be fine with the lower voltage.

Quote

You could use a voltmeter to measure the voltage on pins 2 and 3 and see if what voltage its putting out set at X.

Agree. That will be the surest thing to do.

Just for clarification, put one lead of your meter on pin 2 (OR pin3) and the other lead of your meter to pin 1 (which is ground).

Title: Re: Help what phantom power is what?
Post by: Kindguy on June 12, 2008, 10:01:43 PM

Thanks Brad & Fivefishdiy T+

I'll pick up a voltage meter. I need one anyway.

Still like to hear others opinions & experiences on running 12v instead of 48v.

Even know I'll probably run 48 anyway. As soon as I try the 12v it will sound like crap & I'll miss something incredible...Murphy's law  ;D

Title: Re: Help what phantom power is what?
Post by: DSatz on June 12, 2008, 10:23:47 PM

Kindguy, the answer depends entirely on the specific microphones which you are using.

It makes no sense at all to go on the basis of a generalization such as "most condenser microphones can use lower voltages," since the microphones which you are using may not be among them--and then you may have a ruined recording as a result.

If you don't know what powering your microphones need, find out, and follow exactly what the manufacturer specifies.

--best regards

Title: Re: Help what phantom power is what?
Post by: Kindguy on June 13, 2008, 02:55:34 AM

With a little testing & research I almost figured it out.

PH = 48v
DYN = ? Pretty sure it's off or 12 T
X is 12v It will power the 400's.

Title: Re: Help what phantom power is what?
Post by: Kindguy on June 13, 2008, 03:01:50 AM

Quote from: DSatz on June 12, 2008, 10:23:47 PM

If you don't know what powering your microphones need, find out, and follow exactly what the manufacturer specifies.

--best regards

Thanks DSatz I always value your opinion. I've learned a lot from your other posts.

I know what the manufacturer specifies it's 9v to 52v. So I guess I'll run 12V & 48v this weekend & see what happens.

Title: Re: Help what phantom power is what?
Post by: bluegrass_brad on June 13, 2008, 10:34:15 AM

I'm now almost 100% sure DYN is for dynamic mics (phantom off)