User manual

Page 18 User manual P1 Audio Processor
Although it is possible to connect sources to all the P1 inputs
simultaneously, only one will function at any one time;
The balanced LINE input (3 pole ¼” jack plug) will always have the
highest priority.
The unbalanced INSTRUMENT input (2 pole ¼” jack plug) has
priority over the MICROPHONE input.
The balanced MICROPHONE input (3 pole XLR plug) has the lowest
priority.
So, for example, if you are using a microphone with the P1 make
sure the other two inputs are disconnected!
+48V PHANTOM POWER FOR MICROPHONES
As a general rule, if you are not sure whether your
microphone requires phantom power then don’t press
the +48 button. If in doubt check with the microphone
manufacturer. For those familiar with this powering
method there are only two golden rules;
ALWAYS CONNECT THE
MICROPHONE TO THE P1 BEFORE
SWITCHING ON THE +48V SUPPLY
ALWAYS SWITCH OFF THE +48V
SUPPLY AND WAIT FOR 10
SECONDS BEFORE
DISCONNECTING THE
MICROPHONE FROM THE P1
The red +48V LED lights when phantom power is active.
Connecting the microphone with the +48V already switched on
usually causes an almighty ‘audio thump’ through the unit and is not
user friendly to your monitor loudspeakers, your headphones or your
ears if you are unlucky to be on the receiving end. The P1 has