The Radial Pro48 is a professional direct box that
is equally useful for studio as it is for performance.
It serves the purpose by converting the high input
impedance of an instrument to the low input impedance
of a microphone level signal. It also balances the
signal to allow long runs upwards to 1000 feet (300
meters) without appreciable signal loss or noise.
Unlike typical direct boxes that simply use phantom
power to drive an internal buffer, the J48 actually
converts phantom power from DC to AC, then uses
a unique digital switching power supply to increase
the internal working voltage in order to achieve
much greater headroom. Because of this process,
the active amplifier (buffer) is not constantly
red lining.
This means we do not have to trade off frequency
response for dynamic range. The result is a response
curve that starts at 10Hz and extends well above
100kHz where most other ‘pro’ direct
boxes are barely able to achieve a response past
15kHz and are completely mud in the low end. This
assures the natural tone of the instrument is
maintained without degradation.
So what does this have to do with using the Pro48?
Simply put – with the Pro48 active direct
box you have less to worry about. Although the
Pro48 is extremely easy to use, there is a ton
of technology built inside that makes it so.
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