It was a simple matter of connecting the power supply line from one mixer’s preamp to the same place on the other mixer. I was tired of a mixer with only two pre-amps so I connected the two mixers together using only one power supply. When I say “seemed to function”, it seemed to mix all channels to the main mix bus, with no problems, and no noticeable distortion.ģ. My guess is the other two pins are for the phantom supply. One day I plugged an 18 Volt AC supply into two pins, and the Eurorack seemed to function. With a Eurorack with no power supply, I have great interest in creating one. There are many variations of power supplies out there, some say 3V, others leave it off, some say 13Wģ. There really is no 3V rail that is used on the power supplyĢ. Here are a few weird things I have noticed.ġ.
Behringer xenyx q502usb phantom not working manual#
Here is what the user manual to the Xenyx 802 says about the Power supply:Īdapter: Behringer PSU MX3UL (yes, this is not a typo) I own both a Eurorack UB802 and a Behringer Xenyx 802, and the PSU which is pictured above, says on it MXU元 (this is not a typo), is from the Xenyx 802, and works on either mixer.
The voltages are :left pin to center pin: 20.7VAC My power supply came with my Xenyx802 and it is labeled “Eurorack power supply”. These are AC voltages! Also note, that the power supply says something about a 3V 100 mA output, but there is absolutely no evidence of it. My PSU measurements are in AC volts, there is a negligible voltage between the metal connector and any pin, and I checked for DC voltages in all combinations, and found none. Here are the pinouts with diagram and voltages. Here are the specs: USA/Canada model: 18.5VACX2 250mA.
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