AUSTRALIAN MONITOR AMIS PRE1 User manual

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

Maximum Input Level +6dBu Balanced, +12dBu Unbalanced
Maximum Gain: 50dB Balanced, 44dB Unbalanced
Phase Shift: <10 deg. 20Hz-20kHz
EIN: 129dB Maximum
THD: < 0.01%
IMD (SMPTE) < 0.01%
Dimensions: 113mm x 73mm x 40mm
Weight: 349g