Re: Sound System and 12V Phantom Power??
The correct range of phantom power needed by a microphone is dictated by the design of the mic: so-called 'true condensers' have an unpolarized back-plate and will typically require the full +48v. However, many modern 'condenser' mics feature a pre-polarized back-plate ('electret design') and these are normally happy on anything from 11-52V. Many of the well-regarded condenser mics from Audio Technica are of this type, for example. Simply check the paper spec for the mics in question. The MXL's require +48v, so if using these, turn phantom on your system off and you will need to insert a stand-alone phantom PSU that does provide +48v between the mics and the mixer.
Personally, I would avoid that combo mixer/amp system. It is not the best quality by a long way and is very limited and rather 'dated' by current standards. Instead, I'd get a separate mixer and a pair of powered speakers. This will be far more flexible and reliable in the long run, and will weigh a lot less too.... modern powered speakers mostly now use very potent but lightweight Class-D amplifiers on board as they don't use the heavy transformers or heat-sinks needed by 'old style' gear like the PA2400...
Gibson F5 'Harvey' Fern, Gibson F5 'Derrington' Fern
Distressed Silverangel F 'Esmerelda' aka 'Maxx'
Northfield Big Mon #127
Ellis F5 Special #288
'39 & '45 D-18's, 1950 D-28.
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