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[Gideon26]

I've just had another thought - I used to have the same interface, and while it will run on USB bus power, it does have a mains adaptor which needs to be plugged in in order for phantom power to work.

Could well be a daft question, but you did have the mains adaptor connected?

Yes I did.

[Rich Hanson]

Just checking

[Wonks]

ignore - missed the page break.

[Gideon26]

QUICK UPDATE:
Hello again everyone!
I received the UMC404 HD replacement from Amazon today. After testing it for a few minutes, everything is working well and as it should. Thanks again for all your help.

[Wonks]

Greta news!

Thanks for getting back to us on this, it helps everyone to know the results. It can be hard work tracking down the cause of a fault, but it's nice to know the correct faulty item was identified.

I hope you now have many trouble-free years of use from your equipment. Happy recording!

[ef37a]

Greta news!

Thanks for getting back to us on this, it helps everyone to know the results. It can be hard work tracking down the cause of a fault, but it's nice to know the correct faulty item was identified.

I hope you now have many trouble-free years of use from your equipment. Happy recording!

+1 Now I don't want to be an "I told you so" but HAD you had a very simple test meter you could have diagnosed the faulty phantom power supply in the AI days ago!

I shall have my usual moan to all persons using any form of electrical music equipment. Buy a modest digital meter 10 £/$ will get you something easily good enough for spook juice checks, cable and battery checks.

Dave.