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