Australian Monitor AMISPRE1 User Manual
Amispre1 microphone preamplifier, Introduction, Description

AMISPRE1
Microphone Preamplifier
Introduction
 
The Australian Monitor Installation Series PRE1 is a high quality, low cost mic 
preamp, that is highly featured & simple to use. The AMIS PRE1 features 
balanced XLR & unbalanced 6.35mm jack inputs & outputs, switchable 36 
volt phantom power, gain control & signal clip LED. Powered by a 
supplied 12VDC power supply, the AMIS PRE1 is an inexpensive mic 
preamp & phantom power supply & as part of the AMIS Contractor Tools 
range, has a multitude of uses in a wide variety of installations. 
 
Description
• Jack/XLR Mic Inputs: These inputs can be either unbalanced
6.35mm jack or balanced XLR. Note Phantom power is available on 
the XLR input only. 
• Jack/XLR Mic Outputs: These can be balanced XLR or unbalanced
6.35mm jack outputs. Note the 6.35mm output jack can also be 
connected to headphones for personal monitoring. 
• 12VDC Power input: This input accepts power from the supplied
12VDC power supply. Note that the tip is Negative.
• Power LED: This LED indicates the unit is “on”
• Phantom Power On/Off: This switch enables 36 volt phantom power
to the XLR input.
• Clip LED: This indicates that signal level is too high & distortion may
occur
• Mic Gain: This increases the level of the microphone from the PRE1
Specifications
Input
impedance:
10K Ohm Balanced, unbalanced
