Hi.
I had a problem with a humming PSU from the the Art-Pro Promix mixer and I swapped it with a PSU from an AKG Mike receiver as it is also 12V rated, but it didn't work. I've found out that on the Promix the negative is on the tip as it is also on a Phantom power box I own. Is there a Technical reason for this as usually the positive is on the tip ?
Thank You
I had a problem with a humming PSU from the the Art-Pro Promix mixer and I swapped it with a PSU from an AKG Mike receiver as it is also 12V rated, but it didn't work. I've found out that on the Promix the negative is on the tip as it is also on a Phantom power box I own. Is there a Technical reason for this as usually the positive is on the tip ?
Thank You
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