5
INPUT PANEL FEATURE SET
1. Balanced line level input connector
The input to the Radial X-Amp is a balanced 600-ohm line
level. This is typically driven from the line level output from a
recording device or from a console. The XLR female
connector is wired with Pin 2 hot following the AES standard.
2. Ground lift for pin-1 at XLR
A ground lift switch disconnects the pin-1 ground at the XLR
side input. Depressing this switch assumes you will be
providing a ground path via the OUT-1 to your amplifier. Lifting
the ground often helps reduce hum or buzz in the sound
system caused by so-called ground loops.
3. 15V DC power supply connection
The 15VDC supply is connected here for powering up the X-
Amp. There is no power switch and keeping the X-Amp on
will not harm the unit. In fact we recommend allowing the X-
Amp to warm up for about 20 minutes before use so that the
internal circuit can reach a stable working temperature.
4. Full-bottom no-slip pad
This provides mechanical isolation to reduce slipping and
electrical isolation from amplifier frames and handles.
5. Bookend design
14 gauge steel outer shell creates protected zone around
connectors and switches. Internal welded I beam
construction for maximum durability. Finished in tough baked
enamel. The military grade double-sided PC board provides
maximum durability and added resistance against cold solder
joints.
True to the Music
X•AMP User GuideRadial Engineering
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