Is my phantom power dead/fried?

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Japseguten

Japseguten

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Aug 9, 2015
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Having specified to my Aliexpress seller that i wanted a AC/DC adapter with a 230v EU plug, I recieved a 110v US plug anyway.. This wasn't labled on the sticker, so i tried it and it obviosly didn't work (it also started smelling funny ofcourse). I tried plugging in a proper 230v AC adapter with a slightly different output, and the phantom power turned on. (This AC/DC adapter has a output of 12v @1000ma VS 18v @600ma which is the requirement)

Sadly the phantom power doesn't do anything to boost the microphone volume of my 48v BM-800 whent turned on. I am using a headset "USB to 3.5mm" soundcard as there wasn't one included in the kit. What is the point of faluere here?

Is it:

-The AC/DC adaptor im currently using must be replaced to make it function properly
-The USB to 3.5mm soundcard (from a steelseries elite headset) is incompatible for some reason
-Or have i simply ruined the phantom power after testing it with the 110v AC/DC adapter on a 230v outlet?

Would like to know if anyone has a clue about this, before i start ordering a new USB soundcard and 18v AC/DC adapter ;)
 
Solution
bjornl
The powersupply is supposed to die before it passes on bad power. Most of the time this happens. These tiny external powersupplies are not reliable in this regards. Assuming the new powersupply is in fact correct and working, then it sounds as if your AMP didn't make it.

There is a small chance other things are also damaged. My son recently did just this but with a USB hub. The HUB didn't "go gracefully in to that good night", it took down every USB device even those not attached to it. Including the motherboard and other USB devices on the motherboard.

The above is not likely, but it can happen due to lack of power protection circuitry in these sorts of small peripherals.
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bjornl

bjornl

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Mar 16, 2016
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The plug shouldn't kill anything. If the power supply is one of those that auto-sense, it will adapt to the voltage that it detects. If the powersupply was 110v or has to be manually set to 230v, then the power supply is dead.
Also a EU plug is quite different from a USA plug. The one has round pins the other has rectangular ones. It is physically impossible to plug the one in to the other without an adapter.

70141.jpg

vs
type_B.jpg

 
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Japseguten

Japseguten

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Aug 9, 2015
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Forgot to mention that the seller bundled a EU plug adapter (from US to EU prong...). The power supply is only 110/120v from what ive gathered on the interwebz. Guess that confirms that its dead, but that is not really what matters as i couldn't have used it anyways ;P I'm more worried about my Phantom Power box that it was plugged into at the time of testing. It does light up, but doesn't boost the volume on the microphone.
 
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bjornl

bjornl

Honorable
Mar 16, 2016
2,962
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10,965
The powersupply is supposed to die before it passes on bad power. Most of the time this happens. These tiny external powersupplies are not reliable in this regards. Assuming the new powersupply is in fact correct and working, then it sounds as if your AMP didn't make it.

There is a small chance other things are also damaged. My son recently did just this but with a USB hub. The HUB didn't "go gracefully in to that good night", it took down every USB device even those not attached to it. Including the motherboard and other USB devices on the motherboard.

The above is not likely, but it can happen due to lack of power protection circuitry in these sorts of small peripherals.
 
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